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:
Jun. 14, 1988
Filed:
Feb. 24, 1983
Applicant:
Inventors:
Roland Fink, Pullach, DE;
Heinrich Heitz, Germering, DE;
Assignee:
Alkor GmbH Kunststoffverkauf, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428326 ; 264 22 ; 427 39 ; 427 44 ; 428324 ; 428500 ; 428509 ; 428523 ;
Abstract
A polypropylene foil with a content of fine particles of cellulose acquires substantially improved adhesion properties through surface activation, for example, radiation.