Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1977-12-02
1980-03-18
Niebling, John F.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252429C, 526351, 526140, 526142, 526906, B01J 3102
Patent
active
041938933
ABSTRACT:
A transition metal product, for example a titanium trichloride material, is obtained by milling a solid transition metal compound with a carboxylic acid or an ester thereof, for example methylmethacrylate and contacting with an organo-Lewis Base such as an amine, an organo-phosphorus compound or a sulphone derivative. The organo-Lewis Base may be milled with the transition metal compound or may be added to the transition metal compound as a solution in an inert liquid. The product can be used as a component of an olefine polymerization catalyst.
REFERENCES:
patent: 3752797 (1973-07-01), Gordon et al.
patent: 3940345 (1976-02-01), Caunt
Caunt Anthony D.
Newton Alan B.
Vincent Peter I.
Imperial Chemical Industries Limited
Niebling John F.
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