Composition and process for coating metallic surfaces
US5092924A · kind A · utility
1Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 1989 |
| Grant date | Mar 3, 1992 |
| Priority date | — |
| Expiry date | Dec 7, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23C22/38
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A no-rinse aqueous chemical composition for treating a metallic surface prior to application of an organic siccative coating characterized in that it comprises from 1.5 to 40 g/l (total) of Cr (VI) and optionally one or more of Ni, Co, Mg, Fe and Zn, and from 0.3 to 6.0 g/l (total) of F and optionally PO.sub.4.sup.3- is disclosed. A process for treating a metallic surface prior to application of an organic siccative coating characterized in that it comprises applying to the surface such a composition and not rinsing is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.