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:
Dec. 07, 1999
Filed:
Oct. 09, 1997
Applicant:
Inventors:
Axel Gottschalk, Neudstadt, DE;
Ralf Engelhardt, Ludwigshafen, DE;
Martin Weber, Maikammer, DE;
Konrad Knoll, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
525 / ; 525 71 ; 525 89 ; 525 / ; 525 96 ; 525238 ;
Abstract
Graft copolymers are prepared by anionic polymerization which comprises reacting polymers (A) having at least one anionic chain end with polymers (B) which contain at least one nitrile group, in the presence of a solvent.
Gottschalk, Axel. (1999). Preparation of graft copolymers (U.S. Patent No. 5998544). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5998544
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile