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:
May. 14, 2013
Filed:
Jun. 28, 2004
Applicant:
D. Ryan Breese, Loveland, OH (US);
Inventor:
D. Ryan Breese, Loveland, OH (US);
Assignee:
Equistar Chemicals, LP, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 71/00 (2006.01); B29C 47/88 (2006.01); B29C 55/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a method for producing polyethylene films which have high resistance to deformation or elongation under loading in tension. The method comprises orienting in the machine direction (MD) a high density polyethylene film at a draw-down ratio effective to give the film an MD tensile strength at yield greater than or equal to 50,000 psi, wherein the HDPE has a density greater than 0.940 g/cm.