Composition and process for treating metal surfaces
US6291020A · kind A · utility
3Cited by
9References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 8, 1996 |
| Grant date | Sep 18, 2001 |
| Priority date | — |
| Expiry date | Aug 8, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D139/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of forming a hydrophilic coating on a metal surface which includes contacting the metal surface with a substantially silane-free aqueous solution containing a cationic polymer and an alkaline aqueous silicate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.