Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Young Whan Park0
Sung Ho Chun0
TaeSun Lim0
Young Keun Chung0
Dai Seung Choi0
Il Gu Jung0
Jungmin Lee0
Sung Cheol Yoon0
Date of Patent
January 4, 2011
0Patent Application Number
115421660
Date Filed
October 4, 2006
0Patent Primary Examiner
Patent abstract
Provided is a metal catalyst complex for preparing a cyclic olefin-based polymer by addition polymerization of a cyclic olefin-based monomer, which is represented by Formula 1 below:[M(L1)x(L′2)y(L3)z]a[Ani]b <Formula 1>wherein M is a Group X metal; [M(L1)x(L′2)y(L3)z] is a cationic precatalyst; L1 is an anionic hydrocarbyl-containing ligand; L′2 is a neutral ligand; L3 is an N-heterocyclic carbene ligand; [Ani] is an anion capable of weakly coordinating with the metal M; x is 1 or 2; y is 0 to 4; z is 1 or 2; 2≦x+y+z≦6; a and b are each 1 to 10.
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