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. 26, 1991
Filed:
Jun. 14, 1989
Applicant:
Inventors:
Norbert Hasenbein, Dirmstein, DE;
Lothar Schlemmer, Maxdorf, DE;
Thomas Muehlenbernd, Heidelberg, DE;
Gernot Koehler, Worms, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525 53 ; 5253278 ; 5253295 ; 5253302 ; 5253306 ; 525366 ; 525367 ; 525369 ; 525370 ; 525371 ; 159-23 ; 159 251 ; 159D / ; 528481 ; 528489 ;
Abstract
Ionically crosslinked ethylene copolymers prepared by mixing a carboxyl-containing copolymer with an aqueous metal salt solution in the reaction zone of a twin-screw extruder and transferring the product to a devolatilization zone, and are used as adhesion promoters, injection molded articles or laminating films.