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WO1996012770B1 - Systeme de tampon evitant la corrosion destine a des produits metalliques - Google Patents

Systeme de tampon evitant la corrosion destine a des produits metalliques

Info

Publication number
WO1996012770B1
WO1996012770B1 PCT/US1995/013441 US9513441W WO9612770B1 WO 1996012770 B1 WO1996012770 B1 WO 1996012770B1 US 9513441 W US9513441 W US 9513441W WO 9612770 B1 WO9612770 B1 WO 9612770B1
Authority
WO
WIPO (PCT)
Prior art keywords
ions
composition
metal
corrosion
group
Prior art date
Application number
PCT/US1995/013441
Other languages
English (en)
Other versions
WO1996012770A1 (fr
Filing date
Publication date
Priority claimed from US08/327,438 external-priority patent/US5714093A/en
Application filed filed Critical
Priority to DE69516298T priority Critical patent/DE69516298T2/de
Priority to JP8514048A priority patent/JPH10509469A/ja
Priority to CA002203181A priority patent/CA2203181C/fr
Priority to KR1019970702627A priority patent/KR970707243A/ko
Priority to AU40036/95A priority patent/AU709965B2/en
Priority to EP95938791A priority patent/EP0788527B1/fr
Publication of WO1996012770A1 publication Critical patent/WO1996012770A1/fr
Publication of WO1996012770B1 publication Critical patent/WO1996012770B1/fr
Priority to MXPA/A/1997/002894A priority patent/MXPA97002894A/xx

Links

Abstract

On décrit un système qui permet d'inhiber la corrosion de métaux, ferreux ou non, en les passivant. Ce système comprend de nouvelles compositions tamponnées qu'on peut appliquer sur des produits métalliques pour prévenir ou retarder leur corrosion, ainsi que des procédés qui permettent d'appliquer ces compositions tamponnées audits produits métalliques pour leur conférer par passivation une protection contre la corrosion. Ces procédés incluent l'application in-situ, sur des structures existantes dotées d'un renforcement métallique, ainsi que des applications effectuées sur des produits métalliques en cours de fabrication. De façon générale, ces compositions peuvent prendre différentes formes et inclure un vecteur et un ou plusieures composants de tampon pH. Un tampon est choisi de façon à rester à proximité du métal à un pH pour lequel ce métal est passif à la corrosion. Ces compositions respectent l'environnement et peuvent remplacer les chromates, traditionnellement utilisés avec le zinc et ses alliages pour inhiber la corrosion des métaux, mais qui se révèlent potentiellement dangereux pour l'environnement.
PCT/US1995/013441 1994-10-21 1995-10-19 Systeme de tampon evitant la corrosion destine a des produits metalliques WO1996012770A1 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE69516298T DE69516298T2 (de) 1994-10-21 1995-10-19 Korrosionsverhinderndes puffer-system für metallprodukte
JP8514048A JPH10509469A (ja) 1994-10-21 1995-10-19 金属製造物のための腐食抵抗緩衝系
CA002203181A CA2203181C (fr) 1994-10-21 1995-10-19 Systeme de tampon evitant la corrosion destine a des produits metalliques
KR1019970702627A KR970707243A (ko) 1994-10-21 1995-10-19 금속제품에 대한 내식성 완충 시스템(corrosion resistant buffer system for metal products)
AU40036/95A AU709965B2 (en) 1994-10-21 1995-10-19 Corrosion preventing buffersystem for metal products
EP95938791A EP0788527B1 (fr) 1994-10-21 1995-10-19 Systeme de tampon evitant la corrosion destine a des produits metalliques
MXPA/A/1997/002894A MXPA97002894A (en) 1994-10-21 1997-04-21 Corrosion resistant regulator or shock absorber system for metali products

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US08/327,438 US5714093A (en) 1994-10-21 1994-10-21 Corrosion resistant buffer system for metal products
US47627195A 1995-06-07 1995-06-07
US08/327,438 1995-06-07
US08/476,271 1995-06-07

Publications (2)

Publication Number Publication Date
WO1996012770A1 WO1996012770A1 (fr) 1996-05-02
WO1996012770B1 true WO1996012770B1 (fr) 1996-07-04

Family

ID=26985871

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1995/013441 WO1996012770A1 (fr) 1994-10-21 1995-10-19 Systeme de tampon evitant la corrosion destine a des produits metalliques

Country Status (9)

Country Link
US (1) US5871668A (fr)
EP (1) EP0788527B1 (fr)
JP (1) JPH10509469A (fr)
KR (1) KR970707243A (fr)
AU (1) AU709965B2 (fr)
CA (1) CA2203181C (fr)
DE (1) DE69516298T2 (fr)
MY (1) MY145330A (fr)
WO (1) WO1996012770A1 (fr)

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