Bleaching agent
US5902783A · kind A · utility
9Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 1996 |
| Grant date | May 11, 1999 |
| Priority date | — |
| Expiry date | Aug 23, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3942
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to particles having a core comprising a peroxy compound with capability of releasing hydrogen peroxide or peroxy acids in aqueous solutions, which particles have a coating containing alkali metal silicate and a chelating agent. The invention also relates to preparation and use of the particles as well as a composition containing such particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.