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:
Aug. 22, 2006
Filed:
May. 13, 2003
Paul Veinbergs Hinkle, Houston, TX (US);
Francis Charles Rix, League City, TX (US);
Paul Veinbergs Hinkle, Houston, TX (US);
Francis Charles Rix, League City, TX (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
This invention relates to a compound represented by the formula: wherein M is selected from groups 3–11 of the periodic table; Lrepresents a formal anionic ligand, Lrepresents a formal neutral ligand, a is an integer greater than or equal to 1; b is greater than or equal to 0; c is greater than or equal to 1, E is nitrogen or phosphorus, Aris arene, R–Rare, each independently, selected from hydrogen, hydrocarbyl, substituted hydrocarbyl or functional group, provided however that Rand Rdo not form a naphthyl ring, N is nitrogen and O is oxygen. This invention further relates to a process to oligomerize and/or polymerize unsaturated monomers using the above compositions, optionally combined with an activator.