Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1980-05-01
1983-08-23
Garvin, Patrick
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
526125, C08F 464
Patent
active
044003021
ABSTRACT:
An olefin polymerization catalyst composition comprising: (a) a reaction product of an organoaluminum compound and an electron donor, and (b) a solid component which has been obtained by halogenating a magnesium compound with the formula MgR.sub.1 R.sub.2 wherein R.sub.1 is an alkyl, aryl, alkoxide or aryloxide group and R.sub.2 is an alkyl, aryl, alkoxide or aryloxide group or halogen, with a halide of tetravalent titanium in the presence of a halohydrocarbon, and contacting the halogenated product with a tetravalent titanium compound.
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Goodall Brian L.
Sjardijn Willem
van der Nat Adrianus A.
Garvin Patrick
Shell Oil Company
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