Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1995-07-06
1998-03-03
Caldarola, Glenn
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
502117, 502118, 502152, 502155, 502158, 526160, 526943, 556 53, B01J 3100, B01J 3700, C08F 402, C08F 460
Patent
active
057233985
ABSTRACT:
Addition polymerization catalysts-comprising 1) a Group 4 metal complex in the .sup.+ 3 oxidation state containing two delocalized .pi.-bonding moieties, and a stabilizing ligand covalently bonded to the metal and also datively bonded to the metal via lone pair electrons of an amine, phosphine, ether or thioether group and 2) an activating cocatalyst.
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Devore David D.
Nickias Peter N.
Rosen Robert K.
Stevens James C.
Timmers Francis J.
Caldarola Glenn
Pasterczyk J.
The Dow Chemical Company
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