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:
Dec. 15, 2020
Filed:
Jan. 17, 2019
Exxonmobil Chemical Patents Inc., Baytown, TX (US);
Matthew W. Holtcamp, Huffman, TX (US);
Subramaniam Kuppuswamy, Mont Beivieu, TX (US);
Matthew S. Bedoya, Humble, TX (US);
Kevin A. Stevens, Houston, TX (US);
Ching-Tai Lue, Sugarland, TX (US);
Hasnain Rangwalla, Katy, TX (US);
ExxonMobil Chemical Patents Inc., Baytown, TX (US);
Abstract
A mixed metallocene catalyst system can comprise at least one metallocene catalyst compound comprising a structure represented by formula (A) below and optionally at least one other metallocene catalyst compound having a structure represented by formula (B) below: A mixed metallocene catalyst system can additionally include a non-coordinating anion type activator comprising a supported alumoxane or aluminum alkyl, and optionally a scavenger. A process for making a polymeric product can comprise: contacting a C-Calpha-olefin feed with the catalyst system to obtain a polymerization reaction mixture; and obtaining a polymer product from the polymerization reaction mixture. A polymer product can be made by the process.