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. 21, 1976
Filed:
Oct. 06, 1975
Applicant:
Inventors:
Gerhard Zeitler, Hessheim, D;
Heinz Mueller-Tamm, Ludwigshafen, D;
Friedrich Urban, Limburgerhof, D;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen (Rhine), D;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
2608 / ;
Abstract
Unsaturated carboxylic acids are grafted onto copolymers of ethylene and carboxylates. Carboxylic acid containing initiator is caused to diffuse into shaped elements of the copolymers, polymerization then being carried to completion by heating. The products exhibit no fish eyes and are highly suitable for sheet manufacture.