Imine quaternary salts as bleach catalysts
US5482515A · kind A · utility
37Cited by
11References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1994 |
| Grant date | Jan 9, 1996 |
| Priority date | — |
| Expiry date | Jul 21, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3945
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Novel bleach catalysts, a method for bleaching substrates using these catalysts and detergent compositions containing the catalysts are reported. The catalysts are quaternary imine salts. Substrates such as fabrics may be bleached in an aqueous solution containing these salts and a peroxygen compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.