Detergent composition comprising synergistic hydrotrope mixture of two classes of organic phosphate esters
US4137190A · kind A · utility
16Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 4, 1977 |
| Grant date | Jan 30, 1979 |
| Priority date | — |
| Expiry date | Apr 4, 1997 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/721
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to a detergent composition comprising a low-foaming, non-ionic surfactant and a synergistic hydrotrope mixture. The hydrotrope mixture is composed of two classes of organic phosphate esters A and B wherein A is the reaction product of a compound of the formula EQU R -- OCH.sub.2 CH.sub.2 --.sub.n OH wherein R is alkyl, aryl, aralkyl, or alkaryl and n is 1 to 10, with phosphorus pentoxide and B is the reaction product of a compound of the above formula with polyphosphoric acid. The weight ratio of A:B is 1:9 to 9:1. The composition may further comprise an alkaline builder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.