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:
Dec. 11, 2001
Filed:
Jul. 19, 1999
DI. Ekkehard Beer, Bad Schwalbach, DE;
Wilfried Hatke, Hofheim, DE;
Ticona GmbH, , DE;
Abstract
The present invention relates to a thermoformable composite film comprising at least one film which comprises cycloolefin copolymer and comprising, laminated to at least one side of this film, a thermoplastic film. The thermoformable film is obtainable by using a solvent-free single-component adhesive to apply the thermoplastic film laminated to the film which comprises cycloolefin copolymer. The film which is laminated is a PVDC-containing thermoplastic film. The thickness of the entire film is from 100 to 500 &mgr;m, the thickness of PVDC film is from 5 to 150 &mgr;m and the thickness of the COC film is from 50 to 400 &mgr;m. The thermoformable composite film is used to produce blister packs.