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:
Jan. 10, 2006
Filed:
Nov. 29, 2001
Joseph N Christopher, League City, TX (US);
Kevin R. Squire, Kingwood, TX (US);
JO Ann M. Canich, Houston, TX (US);
Timothy D. Shaffer, Houston, TX (US);
Joseph N Christopher, League City, TX (US);
Kevin R. Squire, Kingwood, TX (US);
Jo Ann M. Canich, Houston, TX (US);
Timothy D. Shaffer, Houston, TX (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
A cationic Group 3 or Lanthanide metal complex for coordination polymerization of olefins is disclosed. The precursor metal complex is stabilized by a monoanionic bidentate ancillary ligand and two monoanionic ligands. The ancillary ligand and the transition metal form a metallocycle having at least five primary atoms, counting any π-bound cyclopentadienyl group in the metallocycle as two primary atoms. Olefin polymerization is exemplified.