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:
Sep. 30, 2008
Filed:
Aug. 16, 2005
Baiyi Zhao, Kingwood, TX (US);
Enock Berluche, Phillipsburg, NJ (US);
Smita Kacker, Houston, TX (US);
JO Ann Marie Canich, Houston, TX (US);
Baiyi Zhao, Kingwood, TX (US);
Enock Berluche, Phillipsburg, NJ (US);
Smita Kacker, Houston, TX (US);
Jo Ann Marie Canich, Houston, TX (US);
ExxonMobil Chemical Patents Inc., Houston, TX (US);
Abstract
A This invention relates to a composition comprising a catecholate ligand, palladium or nickel, and an ancillary ligand with the following structure: where Pn is a Group-15 element; H is hydrogen; Rand Rare independently hydrogen or C-Chydrocarbyl radicals, or both are C-Chydrocarbyl radicals that form a ring structure comprising one or more aromatic or non-aromatic rings; and R-Rare, independently, hydrogen or C-Chydrocarbyl radicals. The composition can be used to oligomerize ethylene.