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.

Date of Patent:
Jul. 12, 2005

Filed:

Nov. 20, 2000
Applicants:

Keunsuk P. Chang, North Kingstown, RI (US);

Scott Narkevicius, Wakefield, RI (US);

Kevin S. Kitchin, Richmond, RI (US);

Inventors:

Keunsuk P. Chang, North Kingstown, RI (US);

Scott Narkevicius, Wakefield, RI (US);

Kevin S. Kitchin, Richmond, RI (US);

Assignee:

Toray Plastics (America), Inc., N. Kingstown, RI (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B007/02 ; B32B007/12 ; B32B015/04 ; B32B015/08 ;
U.S. Cl.
CPC ...
Abstract

A laminate film comprising a polyolefin resin layer having a discharge-treated surface on one side of the polyolefin resin layer comprising at least 0.3% nitrogen functional groups on the discharge-treated surface; and a metal layer having an optical density of at least about 2.6 deposited on the discharge-treated surface of the polyolefin resin layer has a barrier durability under 9% elongation of 46.5 cc/m/day or less oxygen transmission rate through the laminate film.


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