Encapsulated bleach particles for machine dishwashing compositions
US4762637A · kind A · utility
25Cited by
12References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 1986 |
| Grant date | Aug 9, 1988 |
| Priority date | — |
| Expiry date | Nov 14, 2006 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D17/0039
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A particle for releasing bleach is provided combining from 50 to 99.5% of a core consisting essentially of an oxidizing material and from 0.5 to 20% of a polycarboxylate coating surrounding the core. These particles are particularly useful in automatic dishwasher powder detergent compositions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.