Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1981-02-23
1982-06-15
Demers, Arthur P.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
526128, C08F 406, C08F 416
Patent
active
043350160
ABSTRACT:
A new catalyst, method of making the catalyst and method of making polymers and copolymers therewith in which a porous support is reacted with an alkyl magnesium compound, the product of this is then reacted with a hydrocarbylhydrocarbyloxysilane and the product of this reacted with a titanium compound that contains halide. The resulting catalyst is activated with a cocatalyst that may be hydrogen or an alkyl derivative of lithium, magnesium, aluminum, aluminum halide or zinc.
REFERENCES:
patent: 3992322 (1976-11-01), Dombro et al.
patent: 4189553 (1980-02-01), Birkelbach
patent: 4218339 (1980-08-01), Zucchini et al.
patent: 4258167 (1981-03-01), Tsubaki et al.
patent: 4287091 (1981-09-01), Selman
patent: 4297463 (1981-10-01), Ueno et al.
Chemplex Company
Demers Arthur P.
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