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.

Date of Patent:
Feb. 11, 2003

Filed:

Jan. 07, 1999
Applicant:
Inventors:

Wolfgang Rohde, Speyer, DE;

Ulrich Büschges, Wachenheim, DE;

Bernhard Springholz, Worms, DE;

Assignee:

Basell Polyolefine GmbH, Luwigshafen, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 1/08 ; B32B 2/708 ; B32B 2/730 ; B32B 2/736 ;
U.S. Cl.
CPC ...
B32B 1/08 ; B32B 2/708 ; B32B 2/730 ; B32B 2/736 ;
Abstract

A multilayer composite plastics material, containing at least one layer (A), which consists, to an extent of least 90 wt %, based on the total weight of this layer, of ethylene homopolymers or copolymers, at least one barrier layer (B), which substantially consists of polybutylene terephthalate, and also, if desired, layers of adhesion promoter (C) serving to improve the adhesion between these layers.


Find Patent Forward Citations

Loading…