Patent · US Expired

Carrier composition for oxidative dyeing of hair and method of dyeing hair using same

US6146429A · kind A · utility

6Cited by

12References

9Claims

0Family size

Assignee

Wella GmbH · DE

Inventors

Anette Gast · Weiterstadt, DE
Petra Braun · Munster, DE
Wolfgang Balzer · Alsbach, DE
Herbert Deutz · Zwingenberg, DE

Key dates

Filing date	May 11, 1998
Grant date	Nov 14, 2000
Priority date	—
Expiry date	May 11, 2018

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q5/10
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The dye carrier composition for oxidative dyeing of hair advantageously includes a combination of about 0.01 to 5 percent by weight of developer substance and about 0.01 to 5 percent by weight of coupler substance, from 0.1 to 10 percent by weight beeswax and from 0.1 to 10 percent by weight of one or more protein hydrolyzates and/or amino acids. The composition can also contain 0.1 to 30 weight percent of an non-ionic and/or anionic wetting agent or emulsifier and the protein hydrolyzates preferably include silk protein hydrolyzate and/or keratin hydrolyzate.

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