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. 16, 2008
Filed:
Mar. 09, 2006
David H. Mcconville, Houston, TX (US);
Lily Ackerman, San Francisco, CA (US);
Robert T. LI, Houston, TX (US);
Xiaohong Bei, Oak Park, CA (US);
Matthew C. Kuchta, Heidelberg, DE;
Tom Boussie, Menlo Park, CA (US);
John F. Walzer, Jr., Seabrook, TX (US);
Gary Diamond, San Jose, CA (US);
Francis C. Rix, League City, TX (US);
Keith A. Hall, San Jose, CA (US);
Anne Lapointe, Sunnyvale, CA (US);
James Longmire, San Jose, CA (US);
Vince Murphy, San Jose, CA (US);
Pu Sun, San Jose, CA (US);
Dawn Verdugo, San Francisco, CA (US);
Susan Schofer, San Francisco, CA (US);
Eric Dias, Belmont, CA (US);
David H. McConville, Houston, TX (US);
Lily Ackerman, San Francisco, CA (US);
Robert T. Li, Houston, TX (US);
Xiaohong Bei, Oak Park, CA (US);
Matthew C. Kuchta, Heidelberg, DE;
Tom Boussie, Menlo Park, CA (US);
John F. Walzer, Jr., Seabrook, TX (US);
Gary Diamond, San Jose, CA (US);
Francis C. Rix, League City, TX (US);
Keith A. Hall, San Jose, CA (US);
Anne LaPointe, Sunnyvale, CA (US);
James Longmire, San Jose, CA (US);
Vince Murphy, San Jose, CA (US);
Pu Sun, San Jose, CA (US);
Dawn Verdugo, San Francisco, CA (US);
Susan Schofer, San Francisco, CA (US);
Eric Dias, Belmont, CA (US);
ExxonMobil Chemicals Patents Inc., Houston, TX (US);
Abstract
The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a pyridyl amine or a heteroaryl-amine compound. In particular embodiments, the catalyst compound can be used to trimerize or tetramerize ethylene to 1-hexene, 1-octene, or mixtures of 1-hexene and 1-octene.