Bleaching composition
US5236616A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 24, 1991 |
| Grant date | Aug 17, 1993 |
| Priority date | — |
| Expiry date | May 24, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C2601/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Bleaching compositions are disclosed comprising a peroxide bleaching agent and a novel cationic peroxyacid bleach precursor having at least one of the following groups (A) and (B) : ##STR1## wherein R.sub.1 and R.sub.2 are each individually H, or a substituent group containing at least one carbon atom, provided that R.sub.1 and R.sub.2 are not both H. The novel bleach precursor of the cationic nitrile type shows no tendency to deliquesce under normal atmospheric conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.