Patent · US Expired

Quaternary ammonium compounds

US4874554A · kind A · utility

121Cited by
2References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 10, 1987
Grant dateOct 17, 1989
Priority date
Expiry dateJul 10, 2007

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q5/12
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Quaternary ammonium compounds corresponding to the formula ##STR1## are produced by esterification of ether amines corresponding to the formula ##STR2## with a fatty acid of the formula R.sup.2 --COOH and quaternization of the product obtained with an alkyl halide or a dialkyl sulfate. They are suitable for use as conditioning and revitalizing agents in hair-cosmetic preparations.

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