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. 09, 2004
Filed:
Mar. 29, 2004
Applicant:
Inventors:
Sonja Rosenbaum, late of Bous, DE;
Petra Hade, Saarbrücken, DE;
Detlef D. Busch, Saarlouis, DE;
Karl-Heinz Kochem, Neunkirchen, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 1/508 ; B32B 2/732 ; B32B 2/736 ; B32B 3/116 ;
U.S. Cl.
CPC ...
B32B 1/508 ; B32B 2/732 ; B32B 2/736 ; B32B 3/116 ;
Abstract
The invention relates to an opaque biaxially oriented film made of at least one layer that contains COC. This layer contains a cycloolefin copolymer (COC) in a concentration of 0.5 to 30 wt. % with regard to this layer and contains a polymer made from aliphatic hydroxycarboxylic acid units.