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:
Oct. 04, 1988
Filed:
Feb. 12, 1987
Applicant:
Inventors:
Carmen D Bires, Long Valley, NJ (US);
Michael W Helioff, Westfield, NJ (US);
Robert B Login, Oakland, NJ (US);
Assignee:
GAF Corporation, Wayne, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
424 62 ; 424 70 ;
Abstract
A permanent hair color altering composition comprising an aqueous preparation on the basis of melanin dissolution and/or oxidation of a hair colorant dye intermediate, which contains as a swelling and penetration agent, an N-alkyl pyrrolidone wherein the alkyl group contains between 8 and 22 carbon atoms.