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:
Aug. 03, 1999
Filed:
May. 17, 1996
Applicant:
Inventors:
Thomas Dries, Schwabenheim, DE;
Gunter Schloegl, Kelkheim, DE;
Walter Spaleck, Liederbach, DE;
Andreas Winter, Glashuetten, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
2641761 ; 2641771 ; 2641761 ; 264184 ; 2642096 ; 2642095 ; 26421112 ; 2642112 ; 264241 ; 2642902 ; 264292 ; 478516 ; 478349 ; 478402 ; 478336 ; 478339 ;
Abstract
A composite film is described which has at least one base layer which predominantly comprises polypropylene, and at least one top layer. The top layer is sealable and comprises a homopolymer of an olefin. A process for producing the composite film, the top layer olefin homopolymer and packaging material made from the film also are described.