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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 12606647 B1

PDFFull Text
Date of Patent:
Apr. 21, 2026

Filed:

Feb. 05, 2021

Hydrocarbyl-modified methylaluminoxane cocatalysts for bis-phenylphenoxy metal-ligand complexes

Applicant:

Dow Global Technologies Llc, Midland, MI (US);

Inventors:

Philip P. Fontaine, Lake Jackson, TX (US);

David M. Pearson, Lake Jackson, TX (US);

Hien Q. Do, Lake Jackson, TX (US);

Johnathan E. Delorbe, Lake Jackson, TX (US);

Rafael Huacuja, Lake Jackson, TX (US);

Rhett A. Baillie, Lake Jackson, TX (US);

Assignee:

Dow Global Technologies LLC, Midland, MI (US);

Attorney:

Dinsmore & Shohl LLP

Primary Examiner:

Brian J Davis

Int. Cl.
CPC ...
C08F 4/76 (2006.01); C08F 2/44 (2006.01); C08F 4/52 (2006.01); C08F 4/58 (2006.01); C08F 210/18 (2006.01);
U.S. Cl.
CPC ...
C08F 4/76 (2013.01); C08F 2/44 (2013.01); C08F 4/52 (2013.01); C08F 4/58 (2013.01); C08F 210/18 (2013.01); C08F 2410/04 (2013.01);
Abstract

Processes of polymerizing olefin monomers. The process comprising reacting ethylene and optionally one or more olefin monomers in the presence of a catalyst system, wherein the catalyst system comprises: an activator; hydrocarbyl-modified methylaluminoxane having less than 25 mole percent trihydrocarbyl aluminum compounds A1RRRbased on the total moles of aluminum, where R, R, and Rare independently linear (C-C)alkyl, branched (C-C)alkyl, or (C-C)aryl; and one or more metal-ligand complexes according to formula (I):

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Quick Actions:

Fontaine, Philip. (2026). Hydrocarbyl-modified methylaluminoxane cocatalysts for bis-phenylphenoxy metal-ligand complexes (U.S. Patent No. 12606647). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12606647

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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