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Robert C. Job - Houston TX Donald F. Haas - Houston TX
Assignee:
Shell Oil Company - Houston TX
International Classification:
C08F 4654
US Classification:
502124
Abstract:
A process for the production of elastomeric, primarily isotactic polyolefins which comprises polymerizing olefins in the presence of a catalyst which comprises the reaction product of a magnesium alkoxide and a tetravalent titanium halide wherein the reaction takes place in the presence of an electron donor which is an effectively hindered heterocyclic aromatic nitrogen compound and an organoaluminum compound.
Process For The Production Of Elastomeric, Primarily Isotactic Polyolefins And Catalysts For Use In Said Process
Robert C. Job - Houston TX Donald F. Haas - Houston TX
Assignee:
Shell Oil Company - Houston TX
International Classification:
C08F 4654
US Classification:
526124
Abstract:
A process for the production of elastomeric, primarily isotactic polyolefins which comprises polymerizing olefins in the presence of a catalyst which comprises the reaction product of a magnesium alkoxide and a tetravalent titanium halide wherein the reaction takes place in the presence of an electron donor which is an effectively hindered heterocyclic aromatic nitrogen compound and an organoaluminum compound.
Dr. Haas graduated from the New York University School of Medicine in 1995. He works in Abington, PA and specializes in Cardiovascular Disease. Dr. Haas is affiliated with Abington Memorial Hospital.
Highlands Ranch, COPrincipal Engineer at Haas Global Mining Consultin... Past: Senior Mine Engineer at Weir International Mining Consultants, Quarry Manager at... Donald D. Haas is a mining engineer with extensive experience in surface and underground mining including placer mining with achievements in many different... Donald D. Haas is a mining engineer with extensive experience in surface and underground mining including placer mining with achievements in many different minerals including industrial minerals, precious and base metals, energy minerals (coal, uranium, oil shale, etc.), and many others. He...