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:
Apr. 10, 2007
Filed:
Mar. 04, 2004
Robert J. Jorgensen, Scott Depot, WV (US);
Karen E. Breetz, Morgantown, WV (US);
Jose Fernando Cevallos-candau, Charleston, WV (US);
Dale A. Wright, Charleston, WV (US);
Thomas E. Spriggs, Cross Lanes, WV (US);
Robert J. Jorgensen, Scott Depot, WV (US);
Karen E. Breetz, Morgantown, WV (US);
Jose Fernando Cevallos-Candau, Charleston, WV (US);
Dale A. Wright, Charleston, WV (US);
Thomas E. Spriggs, Cross Lanes, WV (US);
Union Carbide Chemicals & Plastics Technology Corporation, Danbury, CT (US);
Abstract
A process for polymerizing polyethylene with chromium-based catalysts wherein one or more supported chromium-based catalysts is mixed with mineral oil to form a slurry and the slurry is then introduced into a polymerization reactor, especially a gas-phase polymerization reactor.