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:
Jun. 19, 2001
Filed:
Dec. 06, 1999
Vinayak Maheshwari, Dunbar, WV (US);
Robert Charles Job, Bound Brook, NJ (US);
William A. Hoffman, III, Ridgewood, NJ (US);
William James Michie, Jr., Raritan, NJ (US);
Union Carbide Chemicals & Plastics Technology Corporation, Danbury, CT (US);
Abstract
A process for production of a polyethylene blend in situ comprising contacting ethylene and at least one alpha-olefin with a magnesium/titanium based catalyst system including a partially activated precursor and a cocatalyst in each of two fluidized bed reactors connected in series, one of the provisos being that the precursor is formed by contacting an alkylaluminum halide with a solid reaction product prepared from a magnesium alkoxide, a titanium tetraalkoxide, and a solubility enhancing agent.