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:
Feb. 13, 2024
Filed:
Mar. 15, 2018
Dow Global Technologies Llc, Midland, MI (US);
Jasson T. Patton, Midland, MI (US);
Todd D. Senecal, Midland, MI (US);
Daniel J. Arriola, Midland, MI (US);
Matthew D. Christianson, Midland, MI (US);
Gordon R. Roof, Midland, MI (US);
David D. Devore, Midland, MI (US);
Anna V. Davis, Midland, MI (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
The present disclosure relates to an olefin polymerization catalyst system for use in forming a multi-block copolymer, said copolymer containing therein two or more segments or blocks differing in chemical or physical properties, a polymerization process using the same, and the resulting polymers, wherein the catalyst system comprises: (A) a first olefin polymerization procatalyst, (B) a second olefin polymerization procatalyst capable of preparing polymers differing in chemical or physical properties from the polymer prepared by procatalyst (A) under equivalent polymerization conditions, and (C) a chain shuttling agent.