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Title:
BISPHOSPHINE LIGAND COMPOUND, CHROMIUM COMPOUND, ETHYLENE OLIGOMERIZATION CATALYST SYSTEM, AND ETHYLENE OLIGOMER PREPARING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/235799
Kind Code:
A1
Abstract:
The present invention relates to a bisphosphine ligand compound, a chromium compound prepared using same, an ethylene oligomerization catalyst system containing the chromium compound, and an ethylene oligomer preparing method, wherein the bisphosphine ligand compound is suitable for mass production and commercial processes, allows extremely high activity to be compatible with excellent economical benefit, and increases selectivity for ethylene oligomerization reaction, thereby being able to be used to manufacture 1-hexene and/or 1-octene at high yield.

Inventors:
LEE BUN YEOUL (KR)
KIM TAE HEE (KR)
PARK HEE SOO (KR)
BAEK JUN WON (KR)
GWON SU JIN (KR)
KIM SUNG DONG (KR)
Application Number:
PCT/KR2019/006678
Publication Date:
December 12, 2019
Filing Date:
June 03, 2019
Export Citation:
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Assignee:
UNIV AJOU IND ACADEMIC COOP FOUND (KR)
International Classes:
C07F11/00; B01J31/14; B01J31/16; B01J31/22; C07C2/32; C07C11/02; C07C11/107
Foreign References:
KR20160146482A2016-12-21
KR20150006474A2015-01-16
KR20160099449A2016-08-22
KR101764165B12017-08-02
KR20060002742A2006-01-09
KR20060002742A2006-01-09
US7511183B22009-03-31
Other References:
KIM, T. H. ET AL.: "MAO-free and extremely active catalytic system for ethylene tetramerization", APPLIED ORGANOMETALLIC CHEMISTRY, vol. 33, no. 4, 1 February 2019 (2019-02-01), pages e4829, XP055662584
ORGANOMETALLICS, vol. 27, 2008, pages 5712 - 5716
ORGANOMETALLICS, vol. 31, 2012, pages 6960 - 6965
ORGANOMETALLICS, vol. 26, 2007, pages 2782 - 2787
ACS OMEGA, vol. 2, 2017, pages 765 - 773
ANGEWANDTE CHEMIE INTERNATIONAL EDITION, vol. 55, 2016, pages 12351
See also references of EP 3805240A4
Attorney, Agent or Firm:
AJU INTERNATIONAL LAW & PATENT GROUP (KR)
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