Invention Grant
- Patent Title: Method for passivating a metallic surface with a basic composition
- Patent Title (中): 用碱性组合物钝化金属表面的方法
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Application No.: US13252651Application Date: 2011-10-04
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Publication No.: US09034473B2Publication Date: 2015-05-19
- Inventor: Achim Fessenbecker , Bernd Laubusch , Oihana Elizalde
- Applicant: Achim Fessenbecker , Bernd Laubusch , Oihana Elizalde
- Applicant Address: DE Ludwigshafen
- Assignee: BASF SE
- Current Assignee: BASF SE
- Current Assignee Address: DE Ludwigshafen
- Agency: Oblon, McClelland, Maier & Neustadt, L.L.P.
- Main IPC: B32B15/08
- IPC: B32B15/08 ; C09D133/02 ; C08F220/06 ; C08L33/02
Abstract:
A method for passivating a metallic surface, by treating the surface with a basic aqueous composition comprising one polymer comprising acidic groups, a cationic crosslinker and a volatile basic compound, allows a durable passivation of fragile metal surfaces.
Public/Granted literature
- US20120082859A1 METHOD FOR PASSIVATING A METALLIC SURFACE WITH A BASIC COMPOSITION Public/Granted day:2012-04-05
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