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. 09, 2008
Filed:
Jan. 17, 2006
Philip J. Garrison, Houston, TX (US);
Charles S. Holland, Coal City, IL (US);
Mark P. Mack, West Chester, OH (US);
Linda N. Winslow, Cincinnati, OH (US);
Everett O. Lewis, Lake Jackson, TX (US);
James R. Clark, Kingwood, TX (US);
Leonard V. Cribbs, Hamilton, OH (US);
Bradley P. Etherton, Cincinnati, OH (US);
Jean A. Merrick-mack, West Chester, OH (US);
Paula L. Nygard, Bay City, TX (US);
Philip J. Garrison, Houston, TX (US);
Charles S. Holland, Coal City, IL (US);
Mark P. Mack, West Chester, OH (US);
Linda N. Winslow, Cincinnati, OH (US);
Everett O. Lewis, Lake Jackson, TX (US);
James R. Clark, Kingwood, TX (US);
Leonard V. Cribbs, Hamilton, OH (US);
Bradley P. Etherton, Cincinnati, OH (US);
Jean A. Merrick-Mack, West Chester, OH (US);
Paula L. Nygard, Bay City, TX (US);
Equistar Chemicals, LP, Houston, TX (US);
Abstract
An ethylene polymerization process is disclosed. Ethylene is polymerized in two slurry reaction zones with a C-Calpha-olefin in the presence of a single-site catalyst capable of making a high molecular weight polyolefin. The process yields medium density and linear low density polyethylene having a bimodal molecular weight distribution and a melt index from about 0.10 to about 0.80. Films from the polyethylene have superior impact properties.