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:
Apr. 21, 2026
Filed:
Jul. 27, 2020
Exxonmobil Chemical Patents Inc., Baytown, TX (US);
Nikola S. Lambic, Houston, TX (US);
Tzu-Pin Lin, Seabrook, TX (US);
Lubin Luo, Houston, TX (US);
Maksim Shivokhin, Houston, TX (US);
Laughlin G. Mccullough, League City, TX (US);
Carlos R. Lopez-Barron, Houston, TX (US);
ExxonMobil Chemical Patents Inc., Baytown, TX (US);
Abstract
The present disclosure provides catalyst compounds comprising asymmetric bridged metallocenes containing a ligand having at least one saturated ring, catalyst systems including such compounds, and uses thereof. Catalyst compounds of the present disclosure can include indacenyl-type ligands. In another class of embodiments, the present disclosure is directed to polymerization processes to produce polyolefin polymers from catalyst systems including one or more olefin polymerization catalysts, at least one activator, and an optional support.