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:
Apr. 01, 1980
Filed:
Oct. 20, 1978
Applicant:
Inventor:
Herbert Lapidus, Ridgefield, CT (US);
Assignee:
Combe Incorporated, White Plains, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
8 101 ; 8 10 ;
Abstract
A hair dyeing composition comprising a metal salt and a sulfur-containing reducing compound is described. In the composition, the metal salt is a water-soluble bismuth salt of an alpha-hydroxy, mono-carboxylic acid.
Lapidus, Herbert. (1980). Aqueous-based hair dyeing composition containing a soluble bismuth salt (U.S. Patent No. 4195972). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4195972
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile