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. 04, 2000
Filed:
May. 13, 1997
Applicant:
Inventors:
Mu-Ill Lim, Trumbull, CT (US);
Yuh-Guo Pan, Stamford, CT (US);
Linas R Stasaitis, Fairfield, CT (US);
John D O'Donoghue, Rye Brook, NY (US);
Assignee:
Bristol-Myers Squibb Co., New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
8408 ; 8406 ; 8424 ;
Abstract
Compounds of Formula II ##STR1## wherein R.sub.3 is --COOCH.sub.3, --COCH.sub.3 or --COCH.sub.2 CH.sub.3 and R.sub.4 is hydrogen or R.sub.3 is hydrogen and R.sub.4 is --OCH.sub.3, --OC.sub.2 CH.sub.3, --OCH.sub.2 CH.sub.2 OH or --OCH.sub.2 CH.sub.2 OCH.sub.3 are storage stable and can be used in oxidative hairdye systems in place of the storage unstable 2-methyl-1-naphthol. Advantageously, it has been found to produce the same colors as 2-methyl-1-naphthol.