Metal cleaner with novel anti-corrosion system
US5614027A · kind A · utility
26Cited by
20References
58Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 1994 |
| Grant date | Mar 25, 1997 |
| Priority date | — |
| Expiry date | Sep 23, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A metal cleaning composition useful in aqueous solution comprises an alkalinity providing agent and a corrosion inhibitor comprising magnesium ions, zinc ions or both. The corrosion inhibitor is provided in the form of magnesium or zinc compounds such as magnesium oxide or water soluble salts thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.