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:
Sep. 28, 1999
Filed:
Jan. 21, 1997
Applicant:
Inventors:
Assignee:
Kao Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
8408 ; 8561 ;
Abstract
A permanent hair dyeing composition which contains an oxidation dye precursor, a coupler, an oxyalkylenized xanthane gum, and a salt of an inorganic or organic acid, and hair dyeing processes with such compositions.