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:
Oct. 18, 2022
Filed:
Oct. 09, 2020
Applicant:
Exxonmobil Chemical Patents Inc., Baytown, TX (US);
Inventors:
Jian Yang, Houston, TX (US);
Peijun Jiang, Katy, TX (US);
Assignee:
ExxonMobil Chemical Patents Inc., Baytown, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 17/00 (2006.01); C08F 4/6592 (2006.01); C08F 210/06 (2006.01); C08F 2/04 (2006.01); C08F 4/659 (2006.01); C08F 110/06 (2006.01);
U.S. Cl.
CPC ...
C07F 17/00 (2013.01); C08F 2/04 (2013.01); C08F 4/65908 (2013.01); C08F 4/65927 (2013.01); C08F 110/06 (2013.01); C08F 210/06 (2013.01);
Abstract
This invention relates homogeneous (typically solution) polymerization of propylene and optional olefin comonomer using metallocene catalyst compounds having a 1,5,6,7-tetrahydro-s-indacenyl moiety bridged to another indacenyl moiety or bridged to a substituted or unsubstituted indenyl moiety.
Yang, Jian. (2022). Indacene based metallocene catalysts useful in the production of propylene polymers (U.S. Patent No. 11472828). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11472828
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile