Patent · US Expired

Process for simultaneously waving and coloring hair

US5161553A · kind A · utility

22Cited by
23References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 19, 1986
Grant dateNov 10, 1992
Priority date
Expiry dateSep 19, 2006

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/884
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A process for simultaneously cold waving and coloring hair in which the neutralization of the hair waving composition is accomplished in two stages, the second stage of which involves the use of a neutralizing composition containing a hair dye.

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