Composition for and method of after-treatment of phosphatized metal surfaces
US4376000A · kind A · utility
32Cited by
1References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 28, 1980 |
| Grant date | Mar 8, 1983 |
| Priority date | — |
| Expiry date | Nov 28, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C22/83
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A process of post-treating a conversion-coated metal surface by contacting the surface with a dilute solution of a post-treatment compound, or a metal salt thereof, where the post-treatment compound is poly-4-vinylphenol or the reaction product of an aldehyde or ketone and poly-4-vinylphenol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.