N-propyl bromide based cleaning solvent and ionic residue removal process
US5792277A · kind A · utility
28Cited by
20References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1997 |
| Grant date | Aug 11, 1998 |
| Priority date | — |
| Expiry date | Jul 23, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D7/28
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Stabilized, n-propyl bromide containing cleaning solvent compositions and a cleaning process are provided. The cleaning solvent compositions include an alcohol selected from 1-propanol and 2-butanol, including mixtures thereof, as a co-solvent so as to form azeotropic or azeotropic-like mixtures which have no fire or flash points.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.