Solid surfactant mixtures comprising fatty acid polyhydroxyamides
US6165972A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 2, 1999 |
| Grant date | Dec 26, 2000 |
| Priority date | — |
| Expiry date | Sep 2, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC11D1/72
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A solid surfactant mixture, comprising one or more fatty acid polyhydroxyamides of the formula I EQU RCONR.sup.1 Z (1) in which R is C.sub.7 -C.sub.31 -alkyl or C.sub.7 -C.sub.31 -alkenyl, Z is a polyhydroxyhydrocarbon group having at least two hydroxyl groups, which may also be alkoxylated, and R.sup.1 is C.sub.1 -C.sub.8 -alkyl or a group of the formula --(CH.sub.2).sub.x NR.sup.2 R.sup.3 or R.sup.4 O(CH.sub.2).sub.n --, R.sup.2 and R.sup.3 are C.sub.1 -C.sub.4 -alkyl or C.sub.2 -C.sub.4 -hydroxyalkyl, R.sup.4 is C.sub.1 -C.sub.4 -alkyl and x is a number from 1 to 10 and n is a number from 2 to 4, one or more other nonionic surfactants and/or one or more anionic surfactants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.