Non-phosphate or reduced phosphate detergent compositions containing mixtures of alkyl ether sulfates
US4028280A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 18, 1976 |
| Grant date | Jun 7, 1977 |
| Priority date | — |
| Expiry date | Aug 18, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/29
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A detergent composition comprising as all or a part of the active detergent component (A) a mixture of up to 70% by weight of unbranched-alkyl ether sulfate, or mixtures thereof, having the formula (I): EQU r.sub.1 --o--(ch.sub.2 ch.sub.2 o).sub.n SO.sub.3 M (I) PA1 wherein R.sub.1 is unbranched alkyl (CH.sub.3 (CH.sub.2).sub.p --) having a total number of from 6 to 15 carbon atoms and having a carbon atom number distribution such that the average carbon atom number is within the range of from 8 to 13, n is from 0.5 to 1.5 as an average number in the mixture, and M is alkali metal, alkaline earth metal, ammonium or alkanol amine, And at least 30% by weight of a branched alkyl ether sulfate, or mixtures thereof, having the formula (II): ##STR1## wherein R.sub.2 is an unbranched alkyl having 1 to 12 carbon atoms, R.sub.3 is an unbranched alkyl having 1 to 4 carbon atoms, the group ##STR2## having a carbon number distribution such that the average carbon atom number thereof is within the range of from 8 to 13, and n and M are as defined above for formula (I), and (B) an unbranched alkyl ether sulfate, or mixtures thereof, having the formula (III): EQU r.sub.4 --o--(ch.sub.2 ch.sub.2 o…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.