Patent · US Expired

Alkoxylated alkyl substituted phenol sulfonates compounds and compositions, the preparation thereof and their use in various applications

US5049311A · kind A · utility

24Cited by
49References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 12, 1990
Grant dateSep 17, 1991
Priority date
Expiry dateDec 12, 2010

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06P1/625
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to novel compounds of the formula ##STR1## wherein R.sub.1 is an alkyl group, M.sup.+ is a cation, R.sub.2 is an alkylene oxide and n is an integer from 1 to 4. Surfactant compositions containing these novel compounds, the process of preparing these novel compounds as well as the methods of using these surfactant compounds in enhanced oil recovery, as emulsifiers, in emulsion polymerization, as hydrotropes, in foamed drilling fluids, as dye carriers, as textile detergents, as foaming agents for concrete formation and as fiber lubricants are also disclosed.

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