Process of bleaching laundry
US5122157A · kind A · utility
10Cited by
8References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 17, 1990 |
| Grant date | Jun 16, 1992 |
| Priority date | — |
| Expiry date | Dec 17, 2010 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD06L1/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for bleaching domestic laundry in a household wash cycle, comprising prewashing the laundry in an alkaline bath with a pH value between 9 and 13 and at a temperature between about 40.degree. C. and 70.degree. C. in the presence of at least one peroxide bleaching agent and an uncomplexed barium, said barium being present in an amount between about 0.5.times.10.sup.-3 and 250.times.10.sup.-3 gram-atoms per kg of bath.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.