Bleaching composition
US4917813A · kind A · utility
8Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 17, 1987 |
| Grant date | Apr 17, 1990 |
| Priority date | — |
| Expiry date | Mar 17, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3761
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A bleaching composition comprises (a) an inorganic peroxide, (b) a nonionic surfactant and (c) a polymer of the following general formula (I), a copolymer comprising a monomer unit of the general formula (I) or a water-soluble salt thereof: ##STR1## wherein X, Y and Z represent each --H, --CH.sub.3, --COOM, --CH.sub.2 COOM or --OH, M represents H, an alkali metal or a mixture of them and n represents a number of at least 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.