Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Plural component system comprising a - group i to iv metal...
Patent
1990-04-02
1991-12-03
Garvin, Patrick P.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Plural component system comprising a - group i to iv metal...
502120, 502123, 502125, 502126, 502127, C08F 402
Patent
active
050700570
ABSTRACT:
An improved support vanadium catalyst, especially an improved Beran et al. catalyst system and ethylene polymerization process in which the improvement derives from fixing the promoter to a component of the catalyst composition such that it is a molecularly structural component of the catalyst and thus is not separately fed to the polymerization reaction, but instead is part of the catalyst composition fed to the reaction.
REFERENCES:
patent: 4263171 (1981-04-01), Shida et al.
patent: 4412049 (1983-10-01), Shiga et al.
patent: 4508842 (1985-04-01), Beran et al.
Cann Kevin J.
Karol Frederick J.
Marcinkowsky Arthur E.
Garvin Patrick P.
Irzinski E. D.
Piscitello John S.
Union Carbide Chemicals and Plastics Technology Corporation
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