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US20080038043A1 - Applicator Device for Applying a Liquid, and the Use of Such a Device - Google Patents

Applicator Device for Applying a Liquid, and the Use of Such a Device Download PDF

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Publication number
US20080038043A1
US20080038043A1 US11/740,384 US74038407A US2008038043A1 US 20080038043 A1 US20080038043 A1 US 20080038043A1 US 74038407 A US74038407 A US 74038407A US 2008038043 A1 US2008038043 A1 US 2008038043A1
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US
United States
Prior art keywords
stem
applicator head
range
liquid
ring
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US11/740,384
Inventor
Jean-Francois Tranchant
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LVMH Recherche GIE
Original Assignee
LVMH Recherche GIE
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 LVMH Recherche GIE filed Critical LVMH Recherche GIE
Assigned to L V M H RECHERCHE reassignment L V M H RECHERCHE ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TRANCHANT, JEAN-FRANCOIS
Publication of US20080038043A1 publication Critical patent/US20080038043A1/en
Abandoned legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
    • A45D34/00—Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
    • A45D34/04—Appliances specially adapted for applying liquid, e.g. using roller or ball
    • A45D34/042—Appliances specially adapted for applying liquid, e.g. using roller or ball using a brush or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces

Definitions

  • the present invention relates to applicator devices for applying liquid, in particular liquid cosmetics, and to uses of such devices.
  • the invention relates to a liquid applicator device comprising a stem terminated by an applicator head in the form of a loop having a smooth surface.
  • a particular object of the present invention is to improve that device and mitigate those drawbacks.
  • an applicator device of the kind in question wherein at least the applicator head is made of a flexible material presenting a modulus of elasticity less than or equal to 300 megapascals (MPa) at 20° C.
  • the invention also provides the use of an applicator as defined above for applying a liquid cosmetic to a surface of the human body, in particular to the skin or to the mucous membrane of the lips.
  • said liquid cosmetic presents viscosity lying in the range 20 pascal seconds (Pa.s) to 10,000 Pa.s, and more particularly in the range 20 Pa.s to 1000 Pa.s, at 25° C.
  • said liquid cosmetic is a lipstick presenting the viscosity specified above.
  • the invention also provides a method of making up the lips, wherein a lipstick is applied to the surface of the lips, the lipstick having viscosity lying in the range 20 Pa.s to 10,000 Pa.s, and preferably in the range 20 Pa.s to 1000 Pa.s at 25° C., the lipstick being applied by using a device as described above.
  • the method of the invention advantageously enables the lips to be made up, and in a manner that is precise and fast.
  • FIG. 1 is a vertical section view of a liquid applicator device constituting an embodiment of the invention
  • FIG. 2 is a detail view of the FIG. 1 applicator device, showing the applicator head of the device;
  • FIG. 3 is a section view on line III-III of FIG. 2 , showing the applicator head loaded with liquid and in contact with an application surface.
  • FIG. 1 shows a liquid applicator device 1 , e.g. for applying a liquid lipstick.
  • the applicator device 1 comprises a reservoir 2 filled with liquid lipstick 2 a , e.g. presenting dynamic viscosity lying in the range 20 Pa.s to 10,000 Pa.s at 25° C.
  • the reservoir 2 may be made of plastics or other material.
  • the neck 2 b of the reservoir is closed by a stopper 3 , e.g. screwed onto the neck 2 b and made of plastics or other material, for example.
  • the stopper 3 is secured to a stem 4 that is terminated at its free end by a loop-shape applicator head 5 .
  • the stem 4 extends towards the inside of said reservoir so that its applicator head 5 is dipped in the liquid lipstick 2 a.
  • the stem 4 may present a circular section having a diameter dl that lies in the range 1 mm to 3 mm, for example.
  • the stem 4 preferably presents an outside appearance that is smooth, and the material of said applicator head advantageously presents a modulus of elasticity that is greater than or equal to 300 MPa at 20° C.
  • the applicator head 5 may be made either out of the same material as the stem 4 , or else out of a different material, in which case the applicator head is fitted to the stem 4 by overmolding or by any other known means.
  • the applicator head 5 is preferably made of the same material.
  • the stem and the applicator head may be made, for example, out of polyethylene (PE), or polypropylene (PP), or polyoxymethylene (POM), of ethylene-propylene-diene monomer (EPDM), also known as ethylene-propylene-diene terpolymer, of polyethylene catalyzed by metallocenes, or mixtures thereof.
  • PE polyethylene
  • PP polypropylene
  • POM polyoxymethylene
  • EPDM ethylene-propylene-diene monomer
  • terpolymer ethylene-propylene-diene terpolymer
  • They may also be made of synthetic material based on silicone, such as silicone rubber, for example, as obtained from liquid silicone and known as liquid silicone rubber (LSR).
  • the applicator head 5 is made of high density polyethylene (HDPE) using the same material as the stem 4 , and it is molded integrally with said stem 4 .
  • HDPE high density polyethylene
  • the applicator head 5 comprises a ring of material 6 that advantageously presents an outside appearance that is smooth and that presents a section that is circular, for example, having a diameter d 2 lying in the range 1 mm to 3 mm.
  • the ring of material 6 may be generally circular in shape and define an empty inner space 7 , e.g. presenting a diameter D lying in the range 3 mm to 6 mm.
  • the material of the applicator head 5 which is the same as the material of the stem 4 in the example described herein, presents a modulus of elasticity of 900 MPa at 20° C. More generally, this modulus of elasticity may lie in the range 500 MPa to 1200 MPa, and preferably in the range 900 MPa to 1100 MPa at 20° C.
  • the applicator head 5 when in contact with an application surface 8 can form an angle ⁇ with the longitudinal axis X of the stem 4 , while the liquid 2 a remains in the inside space 7 defined by the ring of material 6 of the applicator head 5 .
  • This liquid 2 a can then easily be applied to any application surface 8 such as, for example, the skin of the user, and in particular the lips.
  • the angle ⁇ may be about 150° as in the example shown, with this angle varying as a function of the application force.
  • the quantity of liquid stored in the empty inside space 7 is relatively large, thereby limiting the number of times the applicator head needs to be moved back and forth between the reservoir 2 and the zone on which the liquid is applied.
  • the above-described applicator head 5 considerably increases the precision with which the liquid is applied on the skin, and enables the film of liquid that has been deposited on the skin to be smooth in excellent manner, thereby limiting the number of passes needed for the applicator head 5 on the skin.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cosmetics (AREA)

Abstract

An applicator device for applying a liquid, the device comprising a stem terminated by a liquid applicator head that is flexible and smooth, in the form of a loop.

Description

  • The present invention relates to applicator devices for applying liquid, in particular liquid cosmetics, and to uses of such devices.
  • More particularly, the invention relates to a liquid applicator device comprising a stem terminated by an applicator head in the form of a loop having a smooth surface.
    • BACKGROUND OF THE INVENTION
  • Document U.S. Pat. No. 1,999,642 describes an example of such a device, which device is nevertheless unsuitable for applying cosmetics to the skin.
    • OBJECTS AND SUMMARY OF THE INVENTION
  • A particular object of the present invention is to improve that device and mitigate those drawbacks.
  • To this end, according to the invention, an applicator device of the kind in question, wherein at least the applicator head is made of a flexible material presenting a modulus of elasticity less than or equal to 300 megapascals (MPa) at 20° C.
  • By means of these dispositions, application of the liquid is made easier, in particular on the skin, and said application is made particularly quick and precise.
  • In various embodiments of the invention, recourse may optionally also be had to one or more of the following dispositions:
      • the stem is made of a material presenting a modulus of elasticity that is greater than or equal to 300 MPa at 20° C., preferably in the range 500 MPa to 1200 MPa, or more preferably in the range 900 MPa to 1100 MPa, at 20° C.;
      • the stem is made of a material different from that of the applicator head;
      • the stem is made of the same material as the applicator head and is made integrally with said applicator head;
      • the applicator head comprises a ring of material surrounding an empty inside space, the ring of material presenting a thickness lying in the range 1 millimeter (mm) to 3 mm, and the empty inside space presenting dimensions lying in the range 3 mm to 6 mm parallel to the stem and perpendicular to said stem;
      • the ring of material presents a general shape that is substantially circular;
      • the ring of material presents a general shape that is elongate, in particular oval;
      • the ring of material is substantially plane;
      • the ring of material defines a curved surface;
      • the ring of material presents a circular section;
      • the applicator head is made of a synthetic material based on silicone;
      • the stem is made of a synthetic material based on polyethylene, or on polypropylene, or on polyoxymethylene, and mixtures thereof; and
      • the applicator device further includes a reservoir containing the liquid for application and closed by a stopper, in an arrangement such that for the stem secured to the stopper, the applicator head dips in the liquid for application when said stopper closes the reservoir.
  • Furthermore, the invention also provides the use of an applicator as defined above for applying a liquid cosmetic to a surface of the human body, in particular to the skin or to the mucous membrane of the lips.
  • In particular, said liquid cosmetic presents viscosity lying in the range 20 pascal seconds (Pa.s) to 10,000 Pa.s, and more particularly in the range 20 Pa.s to 1000 Pa.s, at 25° C.
  • In a preferred implementation of the invention, said liquid cosmetic is a lipstick presenting the viscosity specified above.
  • Finally, the invention also provides a method of making up the lips, wherein a lipstick is applied to the surface of the lips, the lipstick having viscosity lying in the range 20 Pa.s to 10,000 Pa.s, and preferably in the range 20 Pa.s to 1000 Pa.s at 25° C., the lipstick being applied by using a device as described above.
  • Thus, the method of the invention advantageously enables the lips to be made up, and in a manner that is precise and fast.
    • BRIEF DESCRIPTION OF THE DRAWING
  • Other characteristics and advantages of the invention appear from the following description of an embodiment thereof, given by way of non-limiting example, and with reference to the accompanying drawing.
  • In the drawing:
  • FIG. 1 is a vertical section view of a liquid applicator device constituting an embodiment of the invention;
  • FIG. 2 is a detail view of the FIG. 1 applicator device, showing the applicator head of the device; and
  • FIG. 3 is a section view on line III-III of FIG. 2, showing the applicator head loaded with liquid and in contact with an application surface.
    • MORE DETAILED DESCRIPTION
  • In the various figures, the same references designate elements that are identical or similar.
  • FIG. 1 shows a liquid applicator device 1, e.g. for applying a liquid lipstick. The applicator device 1 comprises a reservoir 2 filled with liquid lipstick 2 a, e.g. presenting dynamic viscosity lying in the range 20 Pa.s to 10,000 Pa.s at 25° C.
  • By way of example, the reservoir 2 may be made of plastics or other material. The neck 2 b of the reservoir is closed by a stopper 3, e.g. screwed onto the neck 2 b and made of plastics or other material, for example. The stopper 3 is secured to a stem 4 that is terminated at its free end by a loop-shape applicator head 5.
  • When the stopper 3 closes the reservoir 2, the stem 4 extends towards the inside of said reservoir so that its applicator head 5 is dipped in the liquid lipstick 2 a.
  • The stem 4 may present a circular section having a diameter dl that lies in the range 1 mm to 3 mm, for example. The stem 4 preferably presents an outside appearance that is smooth, and the material of said applicator head advantageously presents a modulus of elasticity that is greater than or equal to 300 MPa at 20° C.
  • The applicator head 5 may be made either out of the same material as the stem 4, or else out of a different material, in which case the applicator head is fitted to the stem 4 by overmolding or by any other known means. The applicator head 5 is preferably made of the same material.
  • The stem and the applicator head may be made, for example, out of polyethylene (PE), or polypropylene (PP), or polyoxymethylene (POM), of ethylene-propylene-diene monomer (EPDM), also known as ethylene-propylene-diene terpolymer, of polyethylene catalyzed by metallocenes, or mixtures thereof. They may also be made of synthetic material based on silicone, such as silicone rubber, for example, as obtained from liquid silicone and known as liquid silicone rubber (LSR).
  • In the embodiment described herein, the applicator head 5 is made of high density polyethylene (HDPE) using the same material as the stem 4, and it is molded integrally with said stem 4.
  • The applicator head 5 comprises a ring of material 6 that advantageously presents an outside appearance that is smooth and that presents a section that is circular, for example, having a diameter d2 lying in the range 1 mm to 3 mm. The ring of material 6 may be generally circular in shape and define an empty inner space 7, e.g. presenting a diameter D lying in the range 3 mm to 6 mm.
  • The material of the applicator head 5, which is the same as the material of the stem 4 in the example described herein, presents a modulus of elasticity of 900 MPa at 20° C. More generally, this modulus of elasticity may lie in the range 500 MPa to 1200 MPa, and preferably in the range 900 MPa to 1100 MPa at 20° C.
  • As can be seen in FIG. 3, the applicator head 5 when in contact with an application surface 8 can form an angle α with the longitudinal axis X of the stem 4, while the liquid 2 a remains in the inside space 7 defined by the ring of material 6 of the applicator head 5. This liquid 2 a can then easily be applied to any application surface 8 such as, for example, the skin of the user, and in particular the lips. By way of example, the angle α may be about 150° as in the example shown, with this angle varying as a function of the application force.
  • Application of the liquid 2 a is made particularly easy and comfortable by the flexibility of the applicator head 5 relative to the stem 4.
  • Furthermore, the quantity of liquid stored in the empty inside space 7 is relatively large, thereby limiting the number of times the applicator head needs to be moved back and forth between the reservoir 2 and the zone on which the liquid is applied.
  • Furthermore, the above-described applicator head 5 considerably increases the precision with which the liquid is applied on the skin, and enables the film of liquid that has been deposited on the skin to be smooth in excellent manner, thereby limiting the number of passes needed for the applicator head 5 on the skin.
  • Finally, it should be observed that the applicator head 5 does not wear with continued use.

Claims (18)

1. An applicator device for applying a liquid, the device comprising a stem terminated by an applicator head in the form of a loop and having a smooth surface,
wherein at least the applicator head is made of a flexible material presenting a modulus of elasticity less than or equal to 300 MPa at 20° C.
2. A device according to claim 1, in which the stem is made of a material presenting a modulus of elasticity that is greater than or equal to 300 MPa at 20° C.
3. A device according to claim 2, in which the stem is made of a material presenting a modulus of elasticity lying in the range 500 MPa to 1200 MPa, preferably in the range 900 MPa to 1100 MPa, at 20° C.
4. A device according to claim 1, in which the stem is made of a material different from that of the applicator head.
5. A device according to claim 1, in which the stem is made of the same material as the applicator head and is made integrally with said applicator head.
6. A device according to claim 1, in which the applicator head comprises a ring of material surrounding an empty inside space, the ring of material presenting a thickness lying in the range 1 mm to 3 mm, and the empty inside space presenting dimensions lying in the range 3 mm to 6 mm parallel to the stem and perpendicular to said stem.
7. A device according to claim 6, in which the ring of material presents a general shape that is substantially circular.
8. A device according to claim 6, in which the ring of material presents a general shape that is elongate, in particular oval.
9. A device according to claim 6, in which the ring of material is substantially plane.
10. A device according to claim 6, in which the ring of material defines a curved surface.
11. A device according to claim 6, in which the ring of material presents a circular section.
12. A device according to claim 1, in which the applicator head is made of a synthetic material based on silicone.
13. A device according to claim 1, in which the stem is made of a synthetic material based on polyethylene, or on polypropylene, or on polyoxymethylene, and mixtures thereof.
14. A device according to claim 1, further including a reservoir containing the liquid for application and closed by a stopper, in an arrangement such that for the stem secured to the stopper, the applicator head dips in the liquid for application when said stopper closes the reservoir.
15. The use of an applicator device according to claim 1, to apply a liquid cosmetic to the surface of the human body, in particular to the skin or to the mucous membrane of the lips.
16. A use according to claim 15, for applying a liquid cosmetic having viscosity lying in the range 20 Pa.s to 10,000 Pa.s, and in particular in the range 20 Pa.s to 1000 Pa.s, at 25° C.
17. A use according to claim 16, in which said cosmetic is a lipstick.
18. A method of making up the lips, wherein a lipstick is applied to the surface of the lips, the lipstick having viscosity lying in the range 20 Pa.s to 10,000 Pa.s, and preferably in the range 20 Pa.s to 1000 Pa.s at 25° C., the lipstick being applied by using a device according to claim 1.
US11/740,384 2006-05-29 2007-04-26 Applicator Device for Applying a Liquid, and the Use of Such a Device Abandoned US20080038043A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0604778A FR2901458B1 (en) 2006-05-29 2006-05-29 APPLICATOR DEVICE FOR LIQUID PRODUCT AND USE OF SUCH A DEVICE
FRFR06/04778 2006-05-29

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US20080038043A1 true US20080038043A1 (en) 2008-02-14

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US11/740,384 Abandoned US20080038043A1 (en) 2006-05-29 2007-04-26 Applicator Device for Applying a Liquid, and the Use of Such a Device

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FR (1) FR2901458B1 (en)
WO (1) WO2007138220A1 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8439048B2 (en) 2009-07-02 2013-05-14 Lvmh Recherche Device for applying a cosmetic composition that includes magnetic particles, and an assembly including the device
EP2700429A1 (en) * 2011-04-22 2014-02-26 R-Tech Ueno, Ltd. Drug solution applicator
JP2015512740A (en) * 2012-04-11 2015-04-30 ロレアル Device for applying cosmetic or care products to packaging and lips
US9538826B2 (en) 2014-05-09 2017-01-10 Zen Design Solutions Limited Cosmetic applicator
US9936790B2 (en) 2014-05-09 2018-04-10 Zen Design Solutions Limited Cosmetic applicator
US10477942B2 (en) * 2014-07-29 2019-11-19 Albea Services Applicator tip for cosmetic product, associated applicator and applicator assembly

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015075626A1 (en) 2013-11-19 2015-05-28 L'oreal Applicator for cosmetic use
FR3013197B1 (en) * 2013-11-19 2016-01-01 Oreal PACKAGING DEVICE FOR COSMETIC COMPOSITION

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1999642A (en) * 1934-08-09 1935-04-30 Hynson Westcott & Dunning Inc Applicator
US2627621A (en) * 1947-01-25 1953-02-10 Madeline M Bardugon Cosmetic applicator
US3818627A (en) * 1973-03-19 1974-06-25 S Lebensfeld Bubble film holding wand
US4503872A (en) * 1982-02-19 1985-03-12 L'oreal Make-up unit with a safety fastener
US5913318A (en) * 1996-03-01 1999-06-22 L'oreal Product applicator and packaging unit comprising such applicator
US6033143A (en) * 1994-07-12 2000-03-07 L'oreal Applicator for applying a liquid product and make-up assembly provided with such an applicator
US6120202A (en) * 1999-06-21 2000-09-19 Donsky; Robin Nail polish applicator bottle
US6220254B1 (en) * 1997-11-14 2001-04-24 L'oreal Packaging and applicator device comprising a receptacle, an ergonomic applicator, and a wiper member
US6666607B2 (en) * 2000-10-05 2003-12-23 L'oreal S.A. Applicator and method for applying a product
US20060065282A1 (en) * 2004-09-28 2006-03-30 Geka Brush Gmbh Applicator, in particular for a lip cosmetic
US7134799B2 (en) * 2003-01-23 2006-11-14 L'oreal Applicator including an applicator element for applying a substance, in particular a cosmetic or another care product

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1999642A (en) * 1934-08-09 1935-04-30 Hynson Westcott & Dunning Inc Applicator
US2627621A (en) * 1947-01-25 1953-02-10 Madeline M Bardugon Cosmetic applicator
US3818627A (en) * 1973-03-19 1974-06-25 S Lebensfeld Bubble film holding wand
US4503872A (en) * 1982-02-19 1985-03-12 L'oreal Make-up unit with a safety fastener
US6033143A (en) * 1994-07-12 2000-03-07 L'oreal Applicator for applying a liquid product and make-up assembly provided with such an applicator
US6341912B1 (en) * 1994-07-12 2002-01-29 L'oreal Applicator for applying a liquid product and make-up assembly provided with such an applicator
US5913318A (en) * 1996-03-01 1999-06-22 L'oreal Product applicator and packaging unit comprising such applicator
US6220254B1 (en) * 1997-11-14 2001-04-24 L'oreal Packaging and applicator device comprising a receptacle, an ergonomic applicator, and a wiper member
US6120202A (en) * 1999-06-21 2000-09-19 Donsky; Robin Nail polish applicator bottle
US6666607B2 (en) * 2000-10-05 2003-12-23 L'oreal S.A. Applicator and method for applying a product
US7134799B2 (en) * 2003-01-23 2006-11-14 L'oreal Applicator including an applicator element for applying a substance, in particular a cosmetic or another care product
US20060065282A1 (en) * 2004-09-28 2006-03-30 Geka Brush Gmbh Applicator, in particular for a lip cosmetic

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8439048B2 (en) 2009-07-02 2013-05-14 Lvmh Recherche Device for applying a cosmetic composition that includes magnetic particles, and an assembly including the device
EP2700429A1 (en) * 2011-04-22 2014-02-26 R-Tech Ueno, Ltd. Drug solution applicator
EP2700429A4 (en) * 2011-04-22 2015-01-07 R Tech Ueno Ltd Drug solution applicator
JP2015512740A (en) * 2012-04-11 2015-04-30 ロレアル Device for applying cosmetic or care products to packaging and lips
US9538826B2 (en) 2014-05-09 2017-01-10 Zen Design Solutions Limited Cosmetic applicator
US9936790B2 (en) 2014-05-09 2018-04-10 Zen Design Solutions Limited Cosmetic applicator
US10477942B2 (en) * 2014-07-29 2019-11-19 Albea Services Applicator tip for cosmetic product, associated applicator and applicator assembly

Also Published As

Publication number Publication date
FR2901458A1 (en) 2007-11-30
WO2007138220A1 (en) 2007-12-06
FR2901458B1 (en) 2008-09-12

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Owner name: L V M H RECHERCHE, FRANCE

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:TRANCHANT, JEAN-FRANCOIS;REEL/FRAME:019880/0214

Effective date: 20070625

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION

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