Detergent bleach compositions
US4568477A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 5, 1984 |
| Grant date | Feb 4, 1986 |
| Priority date | — |
| Expiry date | Dec 5, 2004 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3932
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Activated detergent bleach composition comprising a peroxide compound bleach, a manganese catalyst and a detergency builder composition comprising: PA0 (i) a mixture of water-soluble, non-phosphorus organic sequestering builder and an alkaline buffer in a weight ratio of organic sequestering builder to alkaline buffer of from 10:1 to 1:60; or PA0 (ii) a mixture of alkali metal triphosphate and alkali metal pyrophosphate, the latter being present in at least 5% by weight of the former, but not more than 15% by weight of the total composition, the composition having a pH under use conditions of 9.5 to 12.0. The compositions are suitable for bleaching and cleaning fabrics at lower temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.