Patent · US Expired

Dye composition comprising an oxidation base of the diaminopyrazole type, a cationic oxidation base and a coupler

US6905522B2 · kind B2 · utility

11Cited by
11References
41Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 11, 2003
Grant dateJun 14, 2005
Priority date—
Expiry dateAug 11, 2023

Classification

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

Abstract

Dye compositions comprising, in a medium suitable for dyeing:

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