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:
Mar. 12, 1985
Filed:
Aug. 16, 1983
Applicant:
Inventors:
Gerard Lang, Saint Gratien, FR;
Alain Malaval, Marly la Ville, FR;
Assignee:
L'Oreal, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07G / ; A61K / ;
U.S. Cl.
CPC ...
527201 ; 527202 ; 527102 ; 424 59 ; 424 60 ; 51972 ; 424D / ; 2601 / ; 260117 ; 260119 ; 260121 ; 2601235 ; 2601237 ; 252 891 ; 514972 ;
Abstract
The invention describes a protein derivative which has a molecular weight of 500 to 50,000 and has been chemically modified by grafting onto the protein chain radicals which absorb ultraviolet radiation. Also described are a process for the preparation of this protein derivative and compositions, containing this derivative as the active substance, for treating and protecting the skin and hair against photochemical degradation.