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. 04, 2016
Filed:
Jul. 08, 2014
Exxonmobil Chemical Patents Inc., Baytown, TX (US);
Jo Ann M. Canich, Houston, TX (US);
Ilya S. Borisov, Moscow, RU;
Arkady K. Golenishchev, Moscow, RU;
Georgy P. Goryunov, Moscow, RU;
Dmitry V. Uborsky, Moscow, RU;
Pavel S. Kulyabin, Moscow, RU;
Dmitry S. Kononovich, Moscow, RU;
Vyatcheslav V. Izmer, Moscow, RU;
Alexander Z. Voskoboynikov, Moscow, RU;
ExxonMobil Chemical Patents Inc., Baytown, TX (US);
Abstract
This invention relates to novel bridged a hafnium transition metal metallocene catalyst compounds having two indenyl ligands substituted at the 4 positions with a Cto Calkyl, where the 3 positions are hydrogen (assuming the bridge position is counted as the one position) and the bridging atom is carbon or silicon which is incorporated into a cyclic group comprising 3, 4, 5, or 6 silicon and/or carbon atoms that make up the cyclic ring.