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.:

US 7084223 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 01, 2006

Filed:

May. 04, 2004
Applicants:

George Alan Vaughan, Houston, TX (US);

JO Ann Marie Canich, Webster, TX (US);

Phillip T. Matsunaga, Houston, TX (US);

David Edward Gindelberger, Bedminster, NJ (US);

Kevin Richard Squire, Kingwood, TX (US);

Inventors:

George Alan Vaughan, Houston, TX (US);

Jo Ann Marie Canich, Webster, TX (US);

Phillip T. Matsunaga, Houston, TX (US);

David Edward Gindelberger, Bedminster, NJ (US);

Kevin Richard Squire, Kingwood, TX (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/60 (2006.01); C08F 4/70 (2006.01);
U.S. Cl.
CPC ...
Abstract

The invention encompasses late transition metal catalyst systems immobilized on solid supports and their use in heterogenous polymerization processes, particularly in gas phase polymerization of olefin monomers. Preferred embodiments include a late transition metal catalyst system comprising a Group 9, 10, or 11 metal complex stabilized by a bidentate ligand structure immobilized on a solid porous metal or metalloid oxide particle support, particularly those comprising silica. The gas phase polymerization process for olefin monomers comprises contacting one or more olefins with these catalyst systems under gas phase polymerization conditions.


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Vaughan, George. (2006). Supported late transition metal catalyst systems (U.S. Patent No. 7084223). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7084223

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