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:
Dec. 31, 2002
Filed:
Dec. 13, 2000
Applicant:
Inventors:
Mark Gregory Goode, Hurricane, WV (US);
Clark Curtis Williams, Charleston, WV (US);
Timothy Roger Lynn, Hackettstown, NJ (US);
Robert Converse Brady, III, Houston, TX (US);
Jody Michael Moffett, Charleston, WV (US);
Assignee:
Union Carbide Chemicals & Plastics Technology Corporation, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F 2/00 ; C08F 4/44 ; C08F 4/16 ;
U.S. Cl.
CPC ...
C08F 2/00 ; C08F 4/44 ; C08F 4/16 ;
Abstract
The present invention teaches the use of particular soluble metallocene catalyst to produce stereo-regular polymers in gas phase polymerizations wherein the catalysts are fed into a particle lean zone in the react. The metallocenes catalysts are bridged bis-(substituted indenyl) compounds.