Encapsulated bleaches
US4830773A · kind A · utility
197Cited by
13References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 10, 1987 |
| Grant date | May 16, 1989 |
| Priority date | — |
| Expiry date | Jul 10, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3953
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Stable encapsulated bleach comprising a core of bleaching agent such as an alkaline metal salt of chloroisocyanurate, an inner coating of a chemically compatable separating compound such as sodium sulfate, sodium tripolyphosphate and mixtures thereof, and an outer coating of a water soluble cellulose ether such as hydroxyethyl and hydroxypropyl celluloses.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.