Patent · US Expired

Reducing the alkali concentration in hair treating compositions

US3975515A · kind A · utility

20Cited by

3References

6Claims

0Family size

Assignee

Wella GmbH · DE

Inventors

Theodor Wajaroff · Darmstadt, DE
Eugen Konrad · Darmstadt, DE

Key dates

Filing date	Sep 30, 1974
Grant date	Aug 17, 1976
Priority date	—
Expiry date	Sep 30, 1994

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S424/02
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Process for reducing the alkali concentration in alkaline reactive cosmetic preparations which comprises the step of adding to such a preparation, shortly before its use, at least one alkali-cleavable organic compound having ester and/or halogen groups in its molecule and which is capable on cleavage to form an acid. The invention also includes the agents suitable for carrying out the aforesaid process.

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