Patent · US Expired

Quaternary ammonium compounds and their use in hair care compositions

US4134970A · kind A · utility

16Cited by

4References

9Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Hans L. Panke · Hofheim, DE
Willi Steckelberg · Hofheim, DE
Jochen M. Quack · Eppstein, DE
Alwin Reng · Kelkheim, DE

Key dates

Filing date	Jun 17, 1977
Grant date	Jan 16, 1979
Priority date	—
Expiry date	Jun 17, 1997

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11D3/001
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Quaternary ammonium compounds of the formula I ##STR1## wherein R.sub.1 is C.sub.8 -C.sub.24 alkyl, cyclohexyl or aryl, X and Y are hydrogen or methyl, only one X or Y being methyl at the same time, n is an integer of from 1 to 20, R.sup.2 and R.sup.3 are lower alkyl or benzyl and A is an anion. These compounds are made by common alkylation reaction of the corresponding non-quaternized compounds. They are used as surfactants, especially in hair care compositions.

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