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:
May. 20, 2025
Filed:
Jul. 17, 2020
Exxonmobil Chemical Patents Inc., Baytown, TX (US);
Zhifeng Bai, Houston, TX (US);
Jo Ann M. Canich, Houston, TX (US);
Jingwen Zhang, Houston, TX (US);
Peijun Jiang, Katy, TX (US);
Adrian Garcia Barry, Houston, TX (US);
Chase A. Eckert, Houston, TX (US);
Sarah J. Mattler, League City, TX (US);
ExxonMobil Engineering & Technology Company, Baytown, TX (US);
Abstract
The present disclosure provides methods for producing an olefin polymer by contacting a C-Colefin and ethylene with a catalyst system including an activator and a metallocene catalyst compound comprising a substituted or unsubstituted tetrahydro-s-indacenyl group and obtaining a C-Colefin-ethylene copolymer typically comprising from 0.5 to 43 wt % ethylene, and from 99.5 to 57 wt % Cto Ccomonomer wherein the Tg of the terpolymer is from 0 to −60° C.