Chromium-free conversation coating and methods of use
US5801217A · kind A · utility
18Cited by
9References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 1997 |
| Grant date | Sep 1, 1998 |
| Priority date | — |
| Expiry date | May 22, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D163/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Methods and compositions for providing a conversion coating to a metal surface are provided. The methods comprise applying to a metal surface an aqueous composition comprising a diglycidyl ether of Bisphenol A, a fluoroacid, and a silicon compound containing a hydrolyzable group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.