Method and composition for bleaching laundry
US4784787A · kind A · utility
2Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 12, 1987 |
| Grant date | Nov 15, 1988 |
| Priority date | — |
| Expiry date | May 12, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3942
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Bleaching laundry in a bath using a peroxidized compound characterized in that bleaching is carred out at a pH of between 10.5 and 12.5 in the presence of calcium peroxide (CaO.sub.2) as the peroxidized compound, introduced in the hydrated or the anhydrous form so that the quantity of calcium per liter of bath is between 1.times.10.sup.-3 and 1.times.10.sup.-2 gram-atom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.