Photochemical singlet oxygen generators having cationic substantivity modifiers
US6407049B1 · kind B1 · utility
6Cited by
13References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 23, 1999 |
| Grant date | Jun 18, 2002 |
| Priority date | — |
| Expiry date | Jul 23, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/0063
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to photochemical singlet oxygen generators having enhanced fabric substantivity, said photochemical singlet oxygen generators useful as photobleaches in laundry detergent compositions. the present invention is also directed to methods for removing stains on fabric by contacting dirty and stained fabric with the photobleaching agents described herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.