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:
Aug. 04, 2009
Filed:
Apr. 21, 2006
Applicants:
Mario G. Umana, League City, TX (US);
Huan Yang, Katy, TX (US);
Inventors:
Mario G. Umana, League City, TX (US);
Huan Yang, Katy, TX (US);
Assignee:
Kraton Polymers U.S. LLC, Houston, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B32B 27/08 (2006.01); B32B 27/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
What is claimed is a flexible packaging film having improved toughness without compromise of other physical properties. The flexible packaging film is a laminate of at least two film layers of a polyolefin and at least one film layer of a block copolymer. The block copolymer employed in the present invention is a selectively hydrogenated high vinyl block copolymer.