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:
Nov. 02, 2004
Filed:
Feb. 08, 2001
Applicant:
Inventors:
Assignee:
Hoechst Trepaphan GmbH, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 2/732 ;
U.S. Cl.
CPC ...
B32B 2/732 ;
Abstract
The invention relates to a multi-layer, sealable, biaxially oriented polypropylene film having improved barrier properties which is constructed of a base layer, of at least one sealable covering layer and of at least one intermediate layer. The intermediate layer contains a wax with an average molecular weight Mn ranging from 200 to 1200. The invention also relates to a method for producing the film and to the use thereof.