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:
Mar. 24, 1998
Filed:
Aug. 09, 1996
Applicant:
Inventors:
Mitsuhisa Tamura, Ichihara, JP;
Kenshi Uchida, Ichihara, JP;
Yoshiaki Ito, Ichihara, JP;
Kiyoshi Iwanaga, Ichihara, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
585513 ; 585510 ; 585511 ; 585512 ; 585520 ; 585521 ; 585522 ; 585523 ; 585527 ; 585530 ;
Abstract
The present invention provides a process for producing olefin having a terminal double bond by trimerizing at least one monomer selected from a group consisting of ethylene, propylene, and 1-butene, which comprises using a catalyst comprising a product prepared from (1) component (A): a chromium compound represented by the formula �1!