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:
Jul. 16, 1985
Filed:
Aug. 30, 1982
Applicant:
Inventors:
Raymond Feinland, Stamford, CT (US);
Sigmund Iscowitz, Flushing, NY (US);
Assignee:
Clairol Incorporated, New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; D06P / ;
U.S. Cl.
CPC ...
8406 ; 8407 ; 8408 ; 8410 ; 8424 ; 424 47 ;
Abstract
An autoxidizable hair dye preparation is disclosed capable of coloring or darkening hair when applied thereto and exposed to the atmosphere comprising a mixture of (I) at least one p-phenylene diamine compound, or an acid addition salt thereof, and (II) at least one 1,2,4-benzenetriol compound, each compound optionally containing nuclearly substituted C.sub.1-4 alkyl, alkoxy, hydroxyalkyl or halogen. The preparation is preferably applied and exposed to the atmosphere repeatedly until the desired degree of darkening or color build-up is attained.