The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 22, 1981
Filed:
Oct. 30, 1979
Applicant:
Inventor:
Herbert Lapidus, Ridgefield, CT (US);
Assignee:
Combe Incorporated, White Plains, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; D06P / ;
U.S. Cl.
CPC ...
8405 ; 8406 ; 8416 ; 8424 ; 8426 ; 8622 ;
Abstract
A hair dyeing composition comprising a water-soluble metal salt complex and a sulfur-containing reducing compound is described. In the composition, the metal salt complex is a water-insoluble bismuth salt of an alpha-hydroxy, polycarboxylic acid with a nitrogen-containing solubilizing agent.