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:
Oct. 13, 2020
Filed:
Aug. 17, 2016
Exxonmobil Chemical Patents Inc., Baytown, TX (US);
Gabor Kiss, Hampton, NJ (US);
Jo Ann M. Canich, Houston, TX (US);
Guy J. Wouters, Jambes, BE;
Robert P. Reynolds, Jr., Clinton, NJ (US);
Rainer Kolb, Kingwood, TX (US);
David J. Lohse, New York, NY (US);
Florin Barsan, Pearland, TX (US);
ExxonMobil Chemical Patents Inc., Baytown, TX (US);
Abstract
Branched ethylene-propylene-diene elastomers (bEPDM) and processes for making the bEPDM's comprising combining a catalyst precursor and an activator at a temperature within a range from 90° C. to 160° C. with ethylene, a C3 to C12 α-olefin, a non-conjugated diene, and a dual-polymerizable diene, where the catalyst precursor is a metallocene catalyst precursor, preferably according to one of various structures including any two ligands selected from cyclopentadienyl ligands and ligands isolobal to the cyclopentadienyl group.