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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 11008449 B1

PDFFull Text
Expired
Date of Patent:
May. 18, 2021

Filed:

Oct. 05, 2018

Bimodal ethylene, alpha-olefin, and diene polymers using dual organometallic catalysts

Applicant:

Exxonmobil Chemical Patents Inc., Baytown, TX (US);

Inventors:

Andy H. Tsou, Houston, TX (US);

John R. Hagadorn, Houston, TX (US);

Assignee:

ExxonMobil Chemical Patents Inc., Baytown, TX (US);

Attorney:
Primary Examiner:

Caixia Lu

Int. Cl.
CPC ...
C08F 4/653 (2006.01); C08F 4/643 (2006.01); C08F 4/6592 (2006.01); C08L 23/16 (2006.01); C08L 23/08 (2006.01); C08F 210/18 (2006.01); C08L 23/12 (2006.01); C08F 210/06 (2006.01); C08F 4/659 (2006.01);
U.S. Cl.
CPC ...
C08L 23/16 (2013.01); C08F 210/06 (2013.01); C08F 210/18 (2013.01); C08L 23/12 (2013.01); C08F 4/65908 (2013.01); C08F 2800/20 (2013.01); C08L 2205/025 (2013.01);
Abstract

The present disclosure provides catalyst systems having a bridged metallocene compound and a transition metal pyridyldiamide compound for use in alkene polymerization to produce multimodal polyolefins, such as multimodal ethylene, propylene, diene monomer copolymers. In some embodiments, the present disclosure provides for polyolefins and processes for producing a polyolefin composition including contacting at least one olefin with a catalyst system of the present disclosure.

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Tsou, Andy. (2021). Bimodal ethylene, alpha-olefin, and diene polymers using dual organometallic catalysts (U.S. Patent No. 11008449). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11008449

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