Patent · US Expired

Anionic araliphatic compounds

US4137251A · kind A · utility

5Cited by
3References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 26, 1977
Grant dateJan 30, 1979
Priority date
Expiry dateSep 26, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S8/93
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Anionic araliphatic compounds which correspond to the general formula ##STR1## wherein A is a mono- or binuclear aromatic radical, PA1 R is alkyl having 4 to 22 carbon atoms, PA1 X is alkyl having 1 to 18 carbon atoms, of Z.sub.1 and Z.sub.2, one is hydrogen and the other is hydrogen or methyl, PA1 M is a cation, and n is 1 to 21; these compounds are particularly useful as dyeing auxiliaries, especially as levelling agents, in the dyeing or printing of synthetic polyamide fibres with anionic dyes.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.