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:
Oct. 11, 2011

Filed:

Feb. 09, 2005
Applicants:

D. Ryan Breese, Loveland, OH (US);

Kelly L. Williams, Maineville, OH (US);

Charles S. Holland, Coal City, IL (US);

Mark P. Mack, West Chester, OH (US);

Inventors:

D. Ryan Breese, Loveland, OH (US);

Kelly L. Williams, Maineville, OH (US);

Charles S. Holland, Coal City, IL (US);

Mark P. Mack, West Chester, OH (US);

Assignee:

Equistar Chemicals, LP, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 11/08 (2006.01); B32B 27/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for making multilayer thin films is disclosed. The method of comprises orienting a thick multilayer film in the machine direction at a drawdown ratio effective to produce a multilayer thin film. The thick multilayer film has a thickness within the range of 1 mil to 5 mils and comprises at least one layer of a linear low density polyethylene (LLDPE) and at least one layer of a high density polyethylene (HDPE) or a medium density polyethylene (MDPE).


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