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:
Jun. 13, 2000
Filed:
Mar. 03, 1998
Applicant:
Inventors:
Mu-Ill Lim, Trumbull, CT (US);
Yuh-Guo Pan, Stamford, CT (US);
Linas R Stasaitis, Fairfield, CT (US);
Assignee:
Bristol-Myers Squibb Co., New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
8409 ; 8408 ; 8421 ; 8423 ;
Abstract
The invention provides compositions and methods for the oxidative coloring of human hair. The compositions of the invention contain as a primary intermediate at least one aminophenol of the formulas: ##STR1## or a cosmetically acceptable salt thereof, and at least one pyrazolone coupler of the formulas: ##STR2## or a cosmetically acceptable salt thereof. The compositions may also contain one or more other primary intermediates and conventional coupling compounds, in addition to an oxidizing agent and other components typically used in oxidative hair dye preparations.