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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 11155658 B1

PDFFull Text
Date of Patent:
Oct. 26, 2021

Filed:

Jul. 25, 2017

Mixed catalyst systems for producing multimodal elastomers

Applicant:

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

Inventors:

Edmund M. Carnahan, Pearland, TX (US);

Philip P. Fontaine, Pearland, TX (US);

Carl N. Iverson, Los Alamos, NM (US);

Jeffrey C. Munro, Bellaire, TX (US);

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

Kim Walton, Lake Jackson, TX (US);

Assignee:

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

Attorney:

Dinsmore & Shohl LLP

Primary Examiner:

Catherine S Branch

Int. Cl.
CPC ...
C08F 210/16 (2006.01); C08L 23/08 (2006.01); C08L 23/16 (2006.01); C08F 4/64 (2006.01); C08F 4/659 (2006.01); C08F 4/6592 (2006.01); C08L 23/12 (2006.01); C08F 210/14 (2006.01); C08F 2/01 (2006.01);
U.S. Cl.
CPC ...
C08F 210/16 (2013.01); C08F 4/64193 (2013.01); C08F 4/6592 (2013.01); C08F 4/65904 (2013.01); C08F 210/14 (2013.01); C08L 23/0815 (2013.01); C08L 23/12 (2013.01); C08L 23/16 (2013.01); C08F 2/01 (2013.01); C08F 2500/05 (2013.01); C08L 2205/025 (2013.01); C08L 2207/04 (2013.01); C08L 2207/06 (2013.01);
Abstract

Embodiments of the present disclosure are directed to multimodal elastomers produced by olefin polymerization with a mixed catalyst system, specifically, a constrained geometry catalyst and a biphenyl phenol catalyst. The multimodal elastomers may be incorporated as impact modifiers in thermoplastic olefins.

Find Patent Forward Citations

Carnahan, Edmund. (2021). Mixed catalyst systems for producing multimodal elastomers (U.S. Patent No. 11155658). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11155658

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

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