Patent · US Expired

Solid surfactant mixtures comprising fatty acid polyhydroxyamides

US6165972A · kind A · utility

3Cited by
5References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 2, 1999
Grant dateDec 26, 2000
Priority date
Expiry dateSep 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.