Peroxygen laundry bleach
US5194176A · kind A · utility
14Cited by
13References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 1991 |
| Grant date | Mar 16, 1993 |
| Priority date | — |
| Expiry date | Apr 2, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3942
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention provides a process to coat dry particles comprising sodium carbonate perhydrate to provide a stable dry particulate solid which releases hydrogen peroxide when contacted with an aqueous solution. The coated particles are readily soluble in water and/or stable when formulated into a solid detergent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.