Peroxide selective stripping compositions and method
US4608091A · kind A · utility
15Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1985 |
| Grant date | Aug 26, 1986 |
| Priority date | — |
| Expiry date | Apr 1, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K13/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Acidic stripping solutions comprising hydrogen peroxide as oxidant, either at least one phosphorous-oxy acid, or the addition of nitric acid, together with accelerators and surface active agents, are effective for the rapid and selective removal of protective hard surface coatings and nickel-base brazes from a variety of metal surfaces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.