Acid cleaning and corrosion inhibiting compositions comprising a blend of nitric and sulfuric acid
US8623805B2 · kind B2 · utility
1Cited by
13References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 5, 2012 |
| Grant date | Jan 7, 2014 |
| Priority date | — |
| Expiry date | Jan 5, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/20
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to aqueous, sulfuric acid cleaners which employ the use of nitric acid as a corrosion inhibitor for cleaning metal and other surfaces, particularly stainless steel and for inhibiting corrosion. Method of use and manufacturing of the same are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.