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:
Nov. 11, 2025
Filed:
Jul. 28, 2020
Exxonmobil Chemical Patents Inc., Baytown, TX (US);
Catherine A. Faler, Houston, TX (US);
Margaret T. Whalley, Houston, TX (US);
John R. Hagadorn, Houston, TX (US);
ExxonMobil Chemical Patents Inc., Baytown, TX (US);
Abstract
The present disclosure is related to activator compounds represented by:[Ar(ERRH)(ERR)][QRRRR]In the formula Ar is a C-Caromatic hydrocarbyl group, provided that if Ar is a multicyclic ring, then each Eand each Eare substitutions on a single ring. Also, x is 1 to 4; y is 0 to 3; z=x; and x+y is 2 to 6. Each of Eand Eare independently selected from nitrogen or phosphorous and Q is selected from group 13 of the Periodic Table of the Elements. Additionally, each of R, R, R, and Rare independently selected from C-Caliphatic hydrocarbyl, substituted C-Caliphatic hydrocarbyl and each of R, R, R, and Ris independently a C-Chydrocarbyl or a C-Csubstituted hydrocarbyl. The present disclosure also relates to catalyst systems including a catalyst and the activator compound. Also, the present disclosure relates to methods of polymerizing olefins.