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WO1997028830A1 - Dispositif de vaporisation d'une substance liquide - Google Patents

Dispositif de vaporisation d'une substance liquide Download PDF

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Publication number
WO1997028830A1
WO1997028830A1 PCT/EP1996/000565 EP9600565W WO9728830A1 WO 1997028830 A1 WO1997028830 A1 WO 1997028830A1 EP 9600565 W EP9600565 W EP 9600565W WO 9728830 A1 WO9728830 A1 WO 9728830A1
Authority
WO
WIPO (PCT)
Prior art keywords
wick
active substance
liquid active
coating
heating device
Prior art date
Application number
PCT/EP1996/000565
Other languages
German (de)
English (en)
Inventor
Heinrich Wolfgang Steinel
Original Assignee
Steinel Gmbh & Co. Kg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Steinel Gmbh & Co. Kg filed Critical Steinel Gmbh & Co. Kg
Priority to KR1019980706144A priority Critical patent/KR19990082412A/ko
Priority to EP96901802A priority patent/EP0907382A1/fr
Priority to PCT/EP1996/000565 priority patent/WO1997028830A1/fr
Priority to AU46235/96A priority patent/AU709778B2/en
Priority to CA002245711A priority patent/CA2245711A1/fr
Priority to JP09528075A priority patent/JP2000504568A/ja
Publication of WO1997028830A1 publication Critical patent/WO1997028830A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/015—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone
    • A61L9/02—Disinfection, sterilisation or deodorisation of air using gaseous or vaporous substances, e.g. ozone using substances evaporated in the air by heating or combustion
    • A61L9/03—Apparatus therefor
    • A61L9/037—Apparatus therefor comprising a wick
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M1/00—Stationary means for catching or killing insects
    • A01M1/20—Poisoning, narcotising, or burning insects
    • A01M1/2022—Poisoning or narcotising insects by vaporising an insecticide
    • A01M1/2061—Poisoning or narcotising insects by vaporising an insecticide using a heat source
    • A01M1/2077—Poisoning or narcotising insects by vaporising an insecticide using a heat source using an electrical resistance as heat source
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/13—Dispensing or storing means for active compounds
    • A61L2209/135—Vaporisers for active components

Definitions

  • the present invention relates to a device for evaporating a liquid active substance according to the preamble of patent claim 1 and to a method for producing such a device.
  • Such a device is known from DE 37 37 272 AI.
  • a liquid chemical - in particular an insecticide - is drawn up by the capillary action of a porous wick immersed in the chemical and evaporated by a heater acting on the upper end of the wick.
  • the task is solved to improve the evaporation of the chemical from a wick which consists of an inorganic powder body.
  • the inventor proposes to add an oxidation inhibitor to the mixture for producing the wick, which is to advantageously ensure that the wick is not blocked.
  • the device for evaporating a liquid active substance according to the preamble of patent claim 1 with the features of the characterizing part of patent claim 1.
  • the design of the wick according to the invention prevents liquid from penetrating into the wick on its outer surface immersed in the liquid active ingredient and being transported with the capillary flow in the direction of the heating device.
  • liquid can enter the lowest end of the wick in the region of the end face located there and ensure a uniform flow in the wick.
  • the wick can advantageously be made of solid, porous material - e.g. from a ceramic material - form, which makes it particularly well suited for mass production as a mass article and has good reproducible properties.
  • a lacquer e.g. plastic cover
  • a glaze e.g. by powder coating
  • the wick is preferably i.w. cylindrical.
  • the wick is also advantageously provided with a coating in the area of the heating device. This has the particular advantage that even if the device is not stored vertically or if the device falls over with a submerged wick, no insecticide can escape undesirably through the projecting wick section. This is particularly important for storing and transporting the device until it is started up for the first time.
  • the coating - either only in the area of the heating device or along the entire jacket surface - can be designed such that the coating only becomes permeable to the evaporating active substance there when the wick section is heated to the operating temperature in the area of the heating device: when heated Either the coating melts permanently in this area (single-use solution), or the coating is designed in such a way that it becomes permeable when heated and that the wick is subsequently cooled down. Section closed again (reversible solution). This can also prevent undesirable leakage of liquid active substance from the wick section to be heated.
  • the coating can be designed such that when the wick reaches the operating temperature it melts in the area of the heating device or is destroyed in some other way and makes the wick permeable to the evaporating active ingredient in this area.
  • the coating can be realized with sealing wax, wax or a material with comparable melting properties.
  • the coating can be designed such that when the wick reaches the operating temperature in the area of the heating device it becomes porous and thus permeable to the evaporating active ingredient however, lower temperatures become impermeable.
  • Such a coating would also be preferred as a layer of rubber, rubber or a comparable material.
  • this coating can advantageously be designed as a membrane impermeable to the liquid active substance and permeable to the evaporating active substance. This elegantly prevents on the one hand the undesired entry of liquid into the outer surface, and on the other hand achieves the unhindered emergence of the evaporating (vaporized) active substance from the heated wick section, without this also allowing liquid to escape.
  • the liquid active ingredient is preferably an insecticide or a perfume; however, other comparable substances are also suitable for evaporation.
  • the heating device is preferably implemented using a PTC.
  • a PTC also acts as a control element due to its temperature-dependent resistance characteristics, which controls the temperature of the load. always keeps the heating device at a constant operating point.
  • the device according to the invention is preferably provided in a housing on which a container for the active substance can be removed - for example for the purpose of replacement - can be attached.
  • the fastening between the container and the housing is particularly suitably realized by a screw connection.
  • the housing with a plug formed thereon can simply be plugged into a socket in order to be supplied with electrical current there and at the same time mechanically held.
  • the wick which is also, but not exclusively, suitable for use in the device according to the invention, is pulled onto the.
  • the wick is fired at a firing temperature which is set so that it is below the sintering temperature given for the drawing material.
  • the sintering temperature is understood to mean the temperature at which the drawing composition assumes a dense, generally pore-free, and completely impermeable form for the liquid active substance.
  • the permeability of the drawing material (as the starting material for the wick) to liquid is determined solely by the firing temperature: the higher the firing temperature, the lower the wick evaporation rate that can be achieved with the wick, with reaching the sintering temperature practically no liquid is evaporated by the wick.
  • the burning time is also irrelevant lent; what is essential is only the maximum temperature reached - that is, the temperature which is set accordingly in the method according to the invention and thus controls the porosity of the wick.
  • Figure 1 is a schematic sectional view of the device for evaporation according to a first embodiment.
  • FIG. 2 shows a sectional view of a wick with a coating according to a further embodiment
  • FIG. 3 shows a schematic detailed view of the heating device and upper wick section according to yet another embodiment
  • Fig. 4 is a sectional view of a wick according to the prior art.
  • a bottle-shaped container 1 made of plastic filled with liquid insecticide, essentially cylindrical and tapering towards the opening, is screwably fastened to a plastic housing 2 in the region of its opening.
  • a schematically illustrated heating device 3 is provided in the housing 2.
  • the heating device 3 has a PTC resistance element 4 for generating heat, which is supplied with current via the mains plug 5 attached to the housing.
  • the power plug also serves to mechanically hold the entire device in a socket and is rotatably mounted in the housing 2 for adaptation to vertically or horizontally arranged contact pairs of such a socket, so that the device can always be held vertically.
  • sheets 6 made of stamped parts are provided on the PTC element, which are formed around a wick 7.
  • the suitably shaped sheets 6 which contact the wick practically without play form a mechanical holder for the wick 7 in the housing 2. Since the ceramic wick is also present 7 is non-flammable, a device with high operational safety can be achieved in this way - in contrast to a wick made of cardboard or comparable, flammable material. Since the ceramic wick 7 also acts as an electrical insulator, the arrangement described can also be produced in an electrically reliable manner and without any further electrical insulation effort.
  • the wick 7, which is essentially cylindrical in cross section, consists of a porous clay body 8, which was produced by pulling or extruding and firing a mixture consisting essentially of clay and wood flour and mixed with water.
  • the wick 7 according to the first embodiment has a coating 9 along its outer surface, which extends from the lowest end of the wick according to FIG. 1 to the base of the heating device 3.
  • the outer surface in the area of the heating device 3 and the lower and the upper end surfaces 10 and 11 of the wick remain free of the coating.
  • the coating 9 consists of a layer of acrylic lacquer (for example, commercially available nail polish is also suitable).
  • the wick 7 extends into the container 1, which is filled with a liquid insecticide 12 - composed of a pyrethroid insecticide in a paraffin carrier liquid. This ensures that the wick is covered on its outer surface with the coating 9, which is impermeable to the liquid 12, and which is also insoluble in the liquid 12 up to the maximum filling level of the liquid in the container 1 is.
  • a seal (not shown in the figures) is provided between the wick 7 and the container 1 - on its neck.
  • the PTC heating element 4 is supplied with voltage via the mains plug 5 and heats up.
  • the upper section of the wick 7 lying in the area of the heating device 3 is heated via the sheets 6 acting as heat exchangers.
  • Liquid insecticide which enters the wick through capillary action within the wick 7 via the lower end face 10 and rises in the clay body 8, is evaporated or evaporated by the heating in the area of the heating device 3 (these terms are used in the present application used synonymously) and emerges from the wick in gaseous form.
  • the PTC heating element ensures an essentially constant temperature in the usual range between 100 ° and 140 ° C.
  • the special property of a PTC resistor with temperature fluctuations Reacting changes in resistance and thereby causing an increase or decrease in current with corresponding temperature movements is used here in a simple manner to keep the temperature at the upper wick section constant at an operating point.
  • liquid active ingredient penetrates into the porous wick through all immersed surfaces.
  • the directional flow of the main delivery flow is prevented by the eddies 14 and the flow rate and thus the evaporation rate are negatively influenced. Since, in addition, with a falling liquid level (due to consumption) fewer eddies arise, the influences of the main delivery flow by the eddies are different depending on the liquid level.
  • the prevention according to the invention of the penetration of liquid in the transverse direction into the wick excludes the described disadvantageous effects and enables a directed delivery flow that is independent of the filling level.
  • the liquid level-dependent pressure has an influence on the delivery rate as irrelevant.
  • a plastic lacquer was selected as the material for the coating 9 in the exemplary embodiment described, this can also be formed from any other material - for example a glaze or a plastic cover.
  • the coating 9 is impermeable to the liquid insecticide 12 and is also not soluble in it, so that the coating 9 does not dissolve or detach even when stored for a long time.
  • a material should be chosen for the coating or painting which does not go deep into the material porous clay body 8 penetrates so as not to clog its pores and thus not to reduce the effective capillary cross-sectional area.
  • FIG. 2 shows a longitudinal section of the wick 7 according to a further embodiment of the invention.
  • the coating 9 is applied to the clay body 8 so that it covers the entire outer surface of the clay body 8 and the upper end face 11.
  • Fig. 2 shows a wick in the delivery state, which can be used in this way in the arrangement according to Fig. 1 and can be transported and stored together with the entire arrangement without liquid can escape from the upper end even when the arrangement is inclined.
  • the coating 9 in this exemplary embodiment is made of a material which melts locally when heated and thus releases the upper portion of the wick for the gaseous insecticide to escape when it is operated for the first time in the evaporation device at working temperature.
  • thinly applied sealing wax has proven itself experimentally as the material for the coating 9, the melting temperature of which is somewhat below the working point of the PTC or the evaporation temperature at the upper wick section.
  • a comparable result should, however, also be achievable with other coatings which melt locally at the relevant temperature or are destroyed in another way and thus expose the clay body of the wick in the area of the heating device.
  • a prestressed rubber lid would also be conceivable, which could correspond to an air balloon skin in terms of material and thickness.
  • the pre-stressed rubber changes its strength with increasing temperature. With appropriate dimensioning it can then be achieved that such a coating breaks at operating temperature and the entire upper evaporation area is then immediately exposed by the tensioning action.
  • the temperatures involved it is possible, for example, to use an active ingredient which requires a temperature in the region of the upper end face of about 120 ° for evaporation, in which case the melting or destruction temperature of the local coating in this is preferred Range could be set to about 100 ° C.
  • FIG. 3 shows a cross-sectional view of an upper wick section in accordance with yet another embodiment of the present invention.
  • the entire outer surface of the wick 7 and the upper end face 11 are also covered with the coating 9.
  • the coating is retained at all points even during operation and is not partially destroyed when heated for the first time.
  • a material must be selected for the coating according to this embodiment which is permeable to the gaseous insecticide at least when heated.
  • Rubber or rubber materials which have the property of being able to be greatly stretched and, in the case of correspondingly thin layers, of forming more or less thick pores are suitable substances for such a coating: when heated by the heating device, the material shrinks selectively, and There are pores in the coating, as indicated in FIG. 3, through which the gaseous insecticide can escape. When following cooling of the wick, the pores close again.
  • Such a reclosing coating advantageously enables a leak-tight transport of a device with an inserted wick and a filled insecticide container which has already been in operation.
  • a plastic material can be used, which is used for - known - shrink tubes.
  • shrink tubes are known to have the property of contracting when heated, and as soon as the heating exceeds a certain duration and / or temperature, pores or cracks form in this material, so that the intended effect can also be achieved thereby.
  • the described shrinking process for shrink tube material is generally irreversible, i.e. there is no closing when the wick cools down.
  • membranes as coating 9 is also conceivable, which (also independent of temperature) have openings through which gaseous insecticide can pass, but liquid insecticide does not.
  • Such membranes for example based on Teflon, are generally known and would have to be adapted accordingly to the conditions and molecular sizes present here.
  • the described embodiments are presented purely by way of example, and the present invention is not restricted to these.
  • any shape and type of manufacture and any cross-section are conceivable as long as the inventive principle described is implemented.
  • the term “jacket” in the present application means the jacket surface of a wick of any shape and cross-sectional area.
  • the idea of the invention also encompasses the fact that the coating of the lateral surface, which is described, for example, in FIG.
  • the inventive principle is to be understood in such a way that the coating 9 extends only over a large part of the outer surface immersed in the active substance, so that, for example, a predetermined outer surface section in the area of the end face 10, which is smaller in relation to the coating surface, remains uncoated can.
  • the use of the present invention is also not limited to the evaporation of liquid insecticides.
  • the device is particularly suitable for evaporating liquid disinfectants, perfumes or comparable chemicals.
  • Correspondingly suitably designed containers are then to be provided, the lower end face of the wick (10 in the figures) advantageously being located at the lowest possible location in such a container in order to enable complete emptying.
  • the present invention is also a product which is suitable as a mass article and which must be able to be produced inexpensively in large quantities, further embodiments which are suitable for mass production of this type are particularly preferred. These include, in particular, coatings of the wick, which are produced by powder coating, stove enamelling, rolling, using brushes or brushes and / or by immersing them in the appropriate lacquer. A method for producing a wick is described below, which is preferably suitable for use in an evaporation device of the type described in connection with FIGS. 1 to 4.
  • Such a cylindrical ceramic wick is produced on the basis of a cordierite mass, as is usually the case as a carrier material for electrical heating devices or the like. Use.
  • Such masses are standardized, for example, by DIN VDE 0335.
  • a cordierite drawing composition which contains the essential constituents Al 2 O 3 (approx. 34%), SiO 2 (approx. 49%) and MgO (approx. 2%).
  • Such a drawing mass has a prescribed firing temperature (sintering temperature) of approximately 1300 ° C. and, after firing at this temperature, forms an essentially water-impermeable, sintered body, as it is used as a highly heat-resistant, electrical insulator in its original area of application is needed.
  • firing temperature sining temperature
  • the other manufacturing parameters to be explained below are the same.
  • the drawing mass is made up in the usual way with water (approx. 10 to 20% share) or drawing oil and then the basic shape of the wick is determined by drawing and cutting to length; however, the firing takes place at a temperature which is significantly below the sintering temperature of 1300 ° C.
  • the firing temperature it has proven to be advantageous to set the firing temperature to a range between 1000 and 1200 ° C., more preferably between 1050 and 1100 ° C., it being found that the porosity of the wick is only affected by this set firing temperature depends. The higher the set firing temperature, the smaller the individual pores become, and accordingly the lower the rate of passage or evaporation of the active ingredient through the wick. So far controls So the firing temperature is the evaporation properties of the wick.
  • the essential parameter is the set firing temperature.
  • the wick according to this embodiment - with the exception of the water or drawing oil added to prepare the drawing material - does not have to contain any further fillers (e.g. organic materials or the like); the desired porosity already arises from the setting of the firing temperature in the sense of the invention.
  • any further fillers e.g. organic materials or the like

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  • Life Sciences & Earth Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Toxicology (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Catching Or Destruction (AREA)

Abstract

L'invention concerne un dispositif permettant de vaporiser une substance liquide, comprenant une mèche (7) pouvant être plongée dans la substance liquide (12) et servant à faire remonter ladite substance, ladite mèche présentant, à l'état plongé, une extrémité qui sort de la substance liquide. Dans la zone de l'extrémité de la mèche sortant de la substance liquide, se trouve un dispositif de chauffage (3). Le dispositif présenté se caractérise par une mèche conçue de façon que son enveloppe soit sensiblement imperméable à la substance liquide (12), au moins sur sa partie plongée dans ladite substance, et qu'elle soit, dans la zone de sa face (10) opposée à son extrémité sortant de la substance liquide (12), sensiblement perméable, et, dans la zone du dispositif de chauffage (3), au moins lorsqu'elle est chauffée, perméable à la substance (12) vaporisée. Ainsi on obtient une remontée plus régulière de la substance liquide dans la mèche.
PCT/EP1996/000565 1996-02-09 1996-02-09 Dispositif de vaporisation d'une substance liquide WO1997028830A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1019980706144A KR19990082412A (ko) 1996-02-09 1996-02-09 활성 유체 물질 증발 장치
EP96901802A EP0907382A1 (fr) 1996-02-09 1996-02-09 Dispositif de vaporisation d'une substance liquide
PCT/EP1996/000565 WO1997028830A1 (fr) 1996-02-09 1996-02-09 Dispositif de vaporisation d'une substance liquide
AU46235/96A AU709778B2 (en) 1996-02-09 1996-02-09 Device for evaporating a liquid active substance
CA002245711A CA2245711A1 (fr) 1996-02-09 1996-02-09 Dispositif de vaporisation d'une substance liquide
JP09528075A JP2000504568A (ja) 1996-02-09 1996-02-09 液状活物質の蒸発装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP1996/000565 WO1997028830A1 (fr) 1996-02-09 1996-02-09 Dispositif de vaporisation d'une substance liquide

Publications (1)

Publication Number Publication Date
WO1997028830A1 true WO1997028830A1 (fr) 1997-08-14

Family

ID=8166161

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP1996/000565 WO1997028830A1 (fr) 1996-02-09 1996-02-09 Dispositif de vaporisation d'une substance liquide

Country Status (6)

Country Link
EP (1) EP0907382A1 (fr)
JP (1) JP2000504568A (fr)
KR (1) KR19990082412A (fr)
AU (1) AU709778B2 (fr)
CA (1) CA2245711A1 (fr)
WO (1) WO1997028830A1 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001021226A1 (fr) * 1999-09-24 2001-03-29 Reckitt Benckiser (Uk) Limited Dispositif electrique de vaporisation d'un liquide volatil
GB2357973A (en) * 2000-01-07 2001-07-11 Reckitt & Colmann Prod Ltd A vapour release device
ES2178906A1 (es) * 1999-08-04 2003-01-01 Dbk Espana Sa Mecha perfeccionada para vaporizadores de sustancias activas.
EP1275402A1 (fr) * 2001-07-14 2003-01-15 Givaudan SA Dispositif pour vaporiser et diffuser des huiles
WO2003003826A3 (fr) * 2001-07-06 2003-06-05 Johnson & Son Inc S C Systeme d'emanation de liquide a base de meche
WO2003103387A3 (fr) * 2002-06-06 2004-06-03 Johnson & Son Inc S C Vaporisation de surface localisee
US7167641B2 (en) 2002-06-06 2007-01-23 S.C. Johnson & Son, Inc. Localized surface volatilization
US7252805B2 (en) 2001-07-14 2007-08-07 Givaudan Sa Device for vaporising and diffusing oils
US7521419B2 (en) 2001-07-10 2009-04-21 Ge Healthcare As Peptide-based compounds
US7737252B2 (en) 2000-09-26 2010-06-15 Ge Healthcare As Peptide-based compounds
CN102715147A (zh) * 2012-05-29 2012-10-10 无锡莱吉特信息科技有限公司 一种带液位检测功能的电蚊液
US8404802B2 (en) 2000-04-12 2013-03-26 Ge Healthcare As Peptide-based compounds
CN111760047A (zh) * 2020-07-07 2020-10-13 山东立威微波设备有限公司 一种智能化微波消毒装置
CN113365670A (zh) * 2018-12-14 2021-09-07 赛特奥有限公司 用于使挥发性物质、尤其是香料和/或杀虫剂蒸发的装置和方法以及加热体

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2194442A (en) * 1986-09-02 1988-03-09 Fumakilla Ltd Heat fumigation apparatus
EP0695553A1 (fr) * 1994-08-03 1996-02-07 Steinel GmbH & Co. KG Appareil électrique de vaporisation de substances actives

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2194442A (en) * 1986-09-02 1988-03-09 Fumakilla Ltd Heat fumigation apparatus
EP0695553A1 (fr) * 1994-08-03 1996-02-07 Steinel GmbH & Co. KG Appareil électrique de vaporisation de substances actives

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2178906A1 (es) * 1999-08-04 2003-01-01 Dbk Espana Sa Mecha perfeccionada para vaporizadores de sustancias activas.
ES2178906B1 (es) * 1999-08-04 2004-04-01 DBK ESPAñA, S.A. Mecha perfeccionada para vaporizadores de sustancias activas.
US6567613B2 (en) 1999-09-24 2003-05-20 Reckitt Benckiser (Uk) Limited Electrical device for evaporating a volatile liquid
WO2001021226A1 (fr) * 1999-09-24 2001-03-29 Reckitt Benckiser (Uk) Limited Dispositif electrique de vaporisation d'un liquide volatil
GB2357973A (en) * 2000-01-07 2001-07-11 Reckitt & Colmann Prod Ltd A vapour release device
US8404802B2 (en) 2000-04-12 2013-03-26 Ge Healthcare As Peptide-based compounds
US7737252B2 (en) 2000-09-26 2010-06-15 Ge Healthcare As Peptide-based compounds
US8258101B2 (en) 2000-09-26 2012-09-04 Ge Healthcare As Peptide-based compounds
WO2003003826A3 (fr) * 2001-07-06 2003-06-05 Johnson & Son Inc S C Systeme d'emanation de liquide a base de meche
US7994134B2 (en) 2001-07-10 2011-08-09 Ge Healthcare As Peptide-based compounds
US7521419B2 (en) 2001-07-10 2009-04-21 Ge Healthcare As Peptide-based compounds
US8299030B2 (en) 2001-07-10 2012-10-30 Ge Healthcare Limited Peptide-based compounds
WO2003007999A1 (fr) * 2001-07-14 2003-01-30 Givaudan Sa Dispositif pour la vaporisation et la diffusion d'huiles
US7252805B2 (en) 2001-07-14 2007-08-07 Givaudan Sa Device for vaporising and diffusing oils
US7014819B2 (en) 2001-07-14 2006-03-21 Givaudan Schweiz Ag Device for vaporizing and diffusing oils
EP1275402A1 (fr) * 2001-07-14 2003-01-15 Givaudan SA Dispositif pour vaporiser et diffuser des huiles
US6909840B2 (en) 2002-06-06 2005-06-21 S. C. Johnson & Son, Inc. Localized surface volatilization
WO2003103387A3 (fr) * 2002-06-06 2004-06-03 Johnson & Son Inc S C Vaporisation de surface localisee
US7167641B2 (en) 2002-06-06 2007-01-23 S.C. Johnson & Son, Inc. Localized surface volatilization
CN102715147A (zh) * 2012-05-29 2012-10-10 无锡莱吉特信息科技有限公司 一种带液位检测功能的电蚊液
CN113365670A (zh) * 2018-12-14 2021-09-07 赛特奥有限公司 用于使挥发性物质、尤其是香料和/或杀虫剂蒸发的装置和方法以及加热体
CN113365670B (zh) * 2018-12-14 2023-07-07 赛特奥有限公司 用于使挥发性物质、尤其是香料和/或杀虫剂蒸发的装置和方法以及加热体
CN111760047A (zh) * 2020-07-07 2020-10-13 山东立威微波设备有限公司 一种智能化微波消毒装置

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AU709778B2 (en) 1999-09-09
KR19990082412A (ko) 1999-11-25
JP2000504568A (ja) 2000-04-18
AU4623596A (en) 1997-08-28
EP0907382A1 (fr) 1999-04-14
CA2245711A1 (fr) 1997-08-14

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