Basic stripping and cleaning composition
US5709756A · kind A · utility
48Cited by
8References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1996 |
| Grant date | Jan 20, 1998 |
| Priority date | — |
| Expiry date | Nov 5, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S438/906
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous and basic stripping and cleaning composition is provided which contains a hydroxylamine, ammonium fluoride, water and optionally DMSO. The pH of the composition is greater than about 8. Also provided is a method of stripping and cleaning utilizing the compositions of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.