Patent · US Expired

Process for permanent waving of human hair

US5277206A · kind A · utility

7Cited by

9References

8Claims

0Family size

Assignee

Goldwell GmbH · DE

Inventors

Burkhard Rose · Darmstadt, DE
Jurgen Tennigkeit · Seeheim-Jugenheim, DE

Key dates

Filing date	May 7, 1992
Grant date	Jan 11, 1994
Priority date	—
Expiry date	May 7, 2012

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K8/46
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A mild permanent waving process for human hair including the steps of applying a reducing composition containing at least one thio compound, subsequently pre-fixing with a composition containing at least one dithio compound without previous rinsing, and finally fixing with a composition containing an oxidant, especially hydrogen peroxide, in a low concentration.

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