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. 16, 1988
Filed:
Oct. 16, 1986
Applicant:
Inventors:
Walter Denzinger, Speyer, DE;
Heinrich Hartmann, Limburgerhof, DE;
Wolfgang Trieselt, Ludwigshafen, DE;
Albert Hettche, Hessheim, DE;
Rolf Schneider, Mannheim, DE;
Hans-Juergen Raubenheimer, Ketsch, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
526 65 ; 526 87 ; 526203 ; 526228 ; 526229 ; 526240 ; 526271 ; 5263182 ; 525 53 ; 525244 ; 524460 ; 524833 ; 252175 ;
Abstract
Copolymers which contain, as copolymerized monomer units, monoethylenically unsaturated mono- and dicarboxylic acids are prepared by a process in which