Photoactivated bleach-compositions and processes
US4217105A · kind A · utility
19Cited by
6References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 22, 1978 |
| Grant date | Aug 12, 1980 |
| Priority date | — |
| Expiry date | Mar 22, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D2111/12
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process of bleaching cotton fabrics, especially in relation with household laundry, is provided by adsorbing on the fabric sulfonated zinc phthalocyanine photoactivator followed by rinsing and drying of the fabrics in the presence of visible light and oxygen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.