Sulfur based metal cleaners
US4435304A · kind A · utility
12Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 1982 |
| Grant date | Mar 6, 1984 |
| Priority date | — |
| Expiry date | Nov 15, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D7/34
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A novel aqueous metal cleaning composition consisting essentially of a Group IA or IIA metal hydroxide and at least one active metal cleaning ingredient of the formula ##STR1## wherein R can be any hydrocarbylene radical having 1 to 6 carbon atoms, X is any H or OH, M is any group IA or IIA metal and n is the valence of M.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.