Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1976-09-20
1980-11-18
Garvin, Patrick
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252430, 252431P, 526129, 526161, C08F 402, C08F 422, C08F 478
Patent
active
042344530
ABSTRACT:
Olefin polymerization catalysts are prepared by depositing an organophosphoryl chromium product and an aluminum compound on an inorganic support material, and heating the support material in a non-reducing atmosphere at a temperature above about 300.degree. C. up to the decomposition temperature of the support material.
REFERENCES:
patent: 3984351 (1976-10-01), Rekers et al.
Katzen Stanley J.
Krekeler Jerome H.
Rekers Louis J.
Garvin Patrick
National Petro Chemicals Corporation
Tremain Kenneth D.
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