Method of protecting galvanized steel from corrosion
US5068134A · kind A · utility
23Cited by
15References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 1989 |
| Grant date | Nov 26, 1991 |
| Priority date | — |
| Expiry date | Dec 19, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D5/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
This invention is directed to a process of protecting galvanized metal from white rust corrosion which comprises treating the galvanized metal, i.e., zinc-containing coating, at a temperature above about 125.degree. C. with at least one silica compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.