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. 04, 1990
Filed:
Jul. 11, 1988
Applicant:
Inventors:
Gunther Lang, Reinheim, DE;
Gerhard Maresch, Darmstadt, all ofr, DE;
Hans-Rudi Lenz, Darmstadt, all ofr, DE;
Assignee:
Wella Aktiengesellschaft, Darmstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08B / ; A61K / ;
U.S. Cl.
CPC ...
536 20 ; 424 61 ;
Abstract
Nail polish is disclosed, based upon a film-former, a resin component and a solvent system, containing as film-former and/or resin component an O-benzyl-N-hydroxyalkyl chitosan fo the formula (I)
Lang, Gunther. (1990). O-benzyl-n-hydroxyalkyl derivatives of chitosan and nail polish (U.S. Patent No. 4954619). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4954619
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