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:
Jun. 11, 2002
Filed:
May. 12, 2000
Applicant:
Inventors:
Chad Mueller, Appleton, WI (US);
Roger Kaas, Sherwood, WI (US);
Bertrand Fillon, Voreppe, FR;
Sandrine Tournier, Fontaine, FR;
Jean-Jacques Lerda, Bilieu, FR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 ; B32B 2/700 ;
U.S. Cl.
CPC ...
B32B 5/16 ; B32B 2/700 ;
Abstract
The present invention relates to thermoplastic film structures having improved barrier and/or mechanical properties and methods for making the film structures. These improvements are achieved by incorporating into the thermoplastic film structures a polymeric nanocomposite comprising a polymer and nanosize particles of a modified clay.