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:
May. 07, 1985
Filed:
Jul. 05, 1983
Applicant:
Inventor:
Walter C Herlihy, Cambridge, MA (US);
Assignee:
Repligen Corporation, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; A61K / ;
U.S. Cl.
CPC ...
424 59 ; 424 60 ; 424 63 ; 514785 ; 514788 ;
Abstract
The subject invention concerns a novel, unobvious, and useful composition of matter and method for tanning the human epidermis. The composition comprises a suitable dye precursor and tyrosinase. These ingredients, when reacted together on the skin, result in the formation of melanin-like dyes which tan the skin.