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:
May. 06, 2008
Filed:
Mar. 28, 2005
Applicants:
Toru Yoshida, Kuwana, JP;
Toshihide Yamamoto, Yokkaichi, JP;
Hisanori Okada, Yokkaichi, JP;
Hideyuki Murakita, Yokkaichi, JP;
Inventors:
Toru Yoshida, Kuwana, JP;
Toshihide Yamamoto, Yokkaichi, JP;
Hisanori Okada, Yokkaichi, JP;
Hideyuki Murakita, Yokkaichi, JP;
Assignee:
Tosoh Corporation, Shinnanyo-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F 110/02 (2006.01); C08F 4/22 (2006.01); B01J 31/34 (2006.01); B01J 31/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A catalyst used for trimerization of ethylene into 1-hexene is descrobed, which comprises (i) a specific organometallic complex having a neutral multidentate ligand having a tripod structure, (ii) an alkylaluminoxane, and an optional ingredient selected from: