Method for providing a corrosion inhibiting solution
US6620340B2 · kind B2 · utility
1Cited by
19References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2002 |
| Grant date | Sep 16, 2003 |
| Priority date | — |
| Expiry date | Apr 18, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23F11/188
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The invention is directed to a method for providing a corrosion inhibiting aqueous solution which includes zinc orthophosphate where the zinc orthophosphate is solubilized. The invention is directed to a method of making a substantially contaminant-free, concentrated aqueous solution of zinc orthophosphate from zinc metal or zinc oxide and aqueous phosphoric acid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.