公开(公告)号：CA2093461A1

公开(公告)日：1993-11-16

申请号：CA2093461

申请日：1993-04-06

Applicant: PHILLIPS PETROLEUM CO

Inventor： STACY ELIZABETH M ,  WELCH MELVIN B ,  MARTIN SHIRLEY J ,  MCDANIEL MAX P ,  PIERCE DALE E

IPC: C08F2/04 ,  C08F2/00 ,  C08F2/16 ,  C08F2/44 ,  C08F4/60 ,  C08F4/658 ,  C08F10/00 ,  C08F210/16

Abstract: A process for polymerizing olefins wherein a suitable amount of a fumed refractory oxide is used to improve the flow of particulate catalyst as a slurry of that catalyst is charged to the polymerization zone.

公开(公告)号：CA1215962A

公开(公告)日：1986-12-30

申请号：CA454507

申请日：1984-05-16

Applicant: PHILLIPS PETROLEUM CO

Inventor： PIERCE DALE E ,  VAUGHAN JERRY L ,  NOWLIN OSCAR D

IPC: C08F4/00 ,  C08F4/60 ,  C08F4/64 ,  C08F4/658 ,  C08F10/00 ,  C08F36/04 ,  C08F4/66

Abstract: An olefin polymerization catalyst prepared by reacting an admixture of anhydrous magnesium dihalide and hydrous magnesium dihalide with reactants including benzoic acid ester, an alkoxytitanium compound, an organoaluminum halide, and a titanium halide.