Sulfonimines as bleach catalysts
US5041232A · kind A · utility
53Cited by
2References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 16, 1990 |
| Grant date | Aug 20, 1991 |
| Priority date | — |
| Expiry date | Mar 16, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/392
- WIPO fieldBasic materials chemistry
- 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 sulfonimines. Substrates such as fabrics may be bleached in an aqueous solution containing the sulfonimine and a peroxygen compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.