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:
Feb. 09, 1999
Filed:
Mar. 27, 1997
Applicant:
Inventors:
Jurgen Tropsch, Romerberg, DE;
Axel Sanner, Frankenthal, DE;
Peter Hossel, Schifferstadt, DE;
Hans-Jurgen Raubenheimer, Ketsch, DE;
Christian Schade, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61K / ; A61K / ; C08F / ;
U.S. Cl.
CPC ...
424 7015 ; 424 47 ; 424 7803 ; 424 7822 ; 424 7824 ; 424 7832 ; 526263 ; 526264 ; 5253269 ;
Abstract
Quaternized copolymers suitable as active ingredients in hair styling compositions are obtainable from N-vinylimidazoles, N-vinylcaprolactam, N-vinylpyrrolidone and, if required, further monomers.