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:
Sep. 29, 2009
Filed:
Dec. 07, 2005
Applicants:
Porter Clarke Shannon, Seabrook, TX (US);
Fred D. Ehrman, Houston, TX (US);
Inventors:
Porter Clarke Shannon, Seabrook, TX (US);
Fred D. Ehrman, Houston, TX (US);
Assignee:
Univation Technologies, LLC, Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 23/00 (2006.01); C08L 23/04 (2006.01); C08L 23/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Multimodal polyethylenes possessing a density from 0.940 to 0.965 g/cm, and an Ifrom 4 to 20 dg/min, and comprising a low molecular weight ethylene copolymer having a weight average molecular weight from 5,000 amu to 50,000 amu; and a high molecular weight ethylene copolymer having a weight average molecular weight from 60,000 amu to 800,000 amu, both components having a desirable balance of short chain branching making the multimodal polyethylene suitable for films, pipes, rotomolding applications and blow molding applications.