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:
Nov. 08, 2011
Filed:
Jun. 16, 2009
Applicants:
Christopher Shelley, Lebanon, OH (US);
Matthew A. Sonnycalb, Lebanon, OH (US);
Inventors:
Christopher Shelley, Lebanon, OH (US);
Matthew A. Sonnycalb, Lebanon, OH (US);
Assignee:
Equistar Chemicals, LP, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multilayer heat-shrinkable film having an uncommon but valuable combination of properties is disclosed. The film comprises a core layer of HDPE. Each skin layer comprises linear low density polyethylene (LLDPE), low density polyethylene (LDPE), or mixtures thereof. The core layer comprises greater than 80% by weight of a HDPE having an ER greater than 3.0, a MIfrom 0.1 to 1.0 dg/min., and a density from 0.940 to 0.970 g/cm. The film has good shrink in the transverse direction, good appearance, and excellent stiffness.