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:
Dec. 17, 2013
Filed:
Jan. 17, 2008
Applicants:
Taek Kyu Han, Daejeon, KR;
Myung Ahn OK, Daejeon, KR;
Sung Seok Chae, Daejeon, KR;
Sang Ook Kang, Seoul, KR;
Jae Ho Jung, Incheon, KR;
Inventors:
Taek Kyu Han, Daejeon, KR;
Myung Ahn Ok, Daejeon, KR;
Sung Seok Chae, Daejeon, KR;
Sang Ook Kang, Seoul, KR;
Jae Ho Jung, Incheon, KR;
Assignees:
SK Innovation Co., Ltd., Seoul, KR;
SK Global Chemical Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 2/26 (2006.01); B01J 31/02 (2006.01); B01J 31/18 (2006.01); B01J 31/14 (2006.01); B01J 31/34 (2006.01); B01J 31/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed herein is a method of preparing 1-octene at high activity and high selectivity while stably maintaining reaction activity by tetramerizing ethylene using a chromium-based catalyst system comprising a transition metal or a transition metal precursor, a cocatalyst, and a P—C—C—P backbone structure ligand represented by (R)(R)P—(R)CHCH(R)—P(R)(R).