Stripping compositions containing alkanolamine compounds
US5563119A · kind A · utility
52Cited by
8References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 26, 1995 |
| Grant date | Oct 8, 1996 |
| Priority date | — |
| Expiry date | Jan 26, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D7/3218
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention teaches an aqueous stripping composition that is essentially free of any hydroxylamine compounds. The composition is an aqueous mixture of an alkanolamine, tetraalkylammonium hydroxide, and an inhibitor. The composition is particularly useful for cleaning substrates containing organic residues.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.