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:
Jul. 07, 2009
Filed:
Dec. 14, 2005
Alexander Z. Voskoboynikov, Moscow, RU;
Mikhail V. Nikulin, Moscow, RU;
Vyatcheslav V. Izmer, Moscow, RU;
Andrey F. Asachenko, Chelyabinsk, RU;
Alexey N. Ryabov, Moscow, RU;
Catalina L. Coker, Baytown, TX (US);
JO Ann M. Canich, Houston, TX (US);
Alexander Z. Voskoboynikov, Moscow, RU;
Mikhail V. Nikulin, Moscow, RU;
Vyatcheslav V. Izmer, Moscow, RU;
Andrey F. Asachenko, Chelyabinsk, RU;
Alexey N. Ryabov, Moscow, RU;
Catalina L. Coker, Baytown, TX (US);
Jo Ann M. Canich, Houston, TX (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
A metallocene compound comprising a transition metal, a first substituted or unsubstituted indenyl or fluorenyl ligand pi—bonded to the transition metal, a second monoanionic ligand bonded to the transition metal, and a divalent bridging group bonded to the indenyl ligand and said second monoanionic ligand, wherein said bridging group is connected to the four, five, six or seven position of the indenyl ligand or to the one, two, three, four, five, six, seven or eight position of the fluorenyl ligand, and wherein at least one of one of the first and second ligands comprises at least one halogen substituent directly bonded to any spcarbon atom at a bondable ring position of the ligand.