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Patent Searching and Data


Title:
POLYOLEFIN CATALYST AND METHOD FOR PREPARING POLYOLEFIN USING SAME
Document Type and Number:
WIPO Patent Application WO/2019/074302
Kind Code:
A1
Abstract:
Disclosed are a novel metallocene catalyst and a method for preparing a polyolefin having a high molecular weight and a low melt index by using the same. The present invention provides a transition metal compound represented by formula 1.

Inventors:
MIN JOON KEUN (KR)
JEONG SU JEONG (KR)
WOO HYUN YUL (KR)
LEE RAI HA (KR)
SHIN EUN HYE (KR)
CHAE BYUNG HUN (KR)
Application Number:
PCT/KR2018/011978
Publication Date:
April 18, 2019
Filing Date:
October 11, 2018
Export Citation:
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Assignee:
LOTTE CHEMICAL CORP (KR)
International Classes:
C07F17/00; C08F2/38; C08F4/52; C08F4/642; C08F4/659; C08F4/6592
Domestic Patent References:
WO1998001456A11998-01-15
Foreign References:
KR101725004B12017-04-18
US9266910B22016-02-23
KR101771908B12017-08-28
US9266910B22016-02-23
KR101485567B12015-01-23
KR20110101386A2011-09-16
US4752597A1988-06-21
Other References:
SMITH, J. A. ET AL.: "Ansa-metallocene Derivatives : III. Influence of an Interannular Ethylene Bridge on the Reactivity of Titanocene Derivatives", JOURNAL OF ORGANOMETALLIC CHEMISTRY, vol. 218, no. 2, 1981, pages 159 - 167, XP055592206, ISSN: 0022-328X, DOI: 10.1016/S0022-328X(00)86097-0
LEE, L. W. M. ET AL.: "Zwitterionic Metallocenes Derived from RAC and Meso-ethylenebisindenyl Zirconocene Olefin Complexes and Pentafluorophenyl-substituted Boranes", ORGANOMETALLICS, vol. 18, no. 19, 1999, pages 3904 - 3912, XP055592210
Attorney, Agent or Firm:
PARK, Sang Hoon (KR)
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