Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1977-05-09
1978-11-21
Gantz, Delbert E.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
B01J 3102
Patent
active
041265769
ABSTRACT:
A process for preparation of a component of a catalyst for polymerization of .alpha.-olefins comprising adding (a) oxygen and the reaction product of titanium tetrachloride and an organic ether, to (b) titanium trichloride or to a composition of titanium trichloride and a metal halide, and milling the mixture.
REFERENCES:
patent: 3129256 (1964-04-01), Hay et al.
patent: 3287341 (1966-11-01), Tazewell et al.
patent: 3652487 (1972-03-01), Ward et al.
patent: 3888835 (1975-06-01), Ito et al.
Gantz Delbert E.
Toho Titanium Company, Limited
Wright William G.
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