Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1976-07-08
1977-12-13
Garvin, Patrick P.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
526142, 526159, C08F 464
Patent
active
040628043
ABSTRACT:
The invention relates to a method for preparing a catalyst composition for polymerization of propylene, having high activity and producing polypropylene of high stereoregularity in narrow particle size distribution, which comprises:
REFERENCES:
patent: 3769233 (1973-10-01), Hermans et al.
patent: 3825524 (1974-07-01), Wada et al.
patent: 3862257 (1975-01-01), Buben et al.
patent: 3960765 (1976-06-01), Shiga et al.
patent: 3984350 (1976-10-01), Karayannis et al.
Inaba Naomi
Makishima Tokuo
Ueno Hiroshi
Wada Shozo
Cadenhead Ben C.
Clarke William T.
Garvin Patrick P.
Toa Nenryo Kogyo Kabushiki Kaisha
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