Granular or powdery detergent composition
US3998762A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 1975 |
| Grant date | Dec 21, 1976 |
| Priority date | — |
| Expiry date | Nov 17, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D3/3707
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A granular or powdery detergent composition containing as a detergent active component a surfactant having a tendency to cake, wherein the composition contains as a caking-preventing agent the combination of (a) at least 0.2% by weight of a polyethylene glycol having a molecular weight of at least 2000 and (b) at least 0.2% by weight of at least one anhydrous organic acid, or anhydride, or salt thereof, selected from the group consisting of sulfosuccinic acid and its salts, maleic anhydride, maleic acid and its salts, succinic anhydride, succinic acid and its salts, the total amount of the components (a) and (b) being 0.4 to 40% by weight, based on the weight of the detergent composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.