Inventor
SPEAKMAN JOHN G
FR10 patents
Patents
10 patentsUS5283278AFeb 1, 1994
Gas phase olefin polymerization process
BP CHEM INT LTD163 citations97
US4879359ANov 7, 1989
Process for polymerising ethylene using a chromium oxide catalyst
BP CHEM INT LTD90 citations93
US4333851AJun 8, 1982
Olefin polymerization catalyst, process and polyolefin product
BP CHEM INT LTD25 citations79
US4517345AMay 14, 1985
Polymerization process
BP CHEM INT LTD24 citations78
US5166279ANov 24, 1992
Process for the gas phase (co-)polymerization of ethylene
BP CHEM INT LTD12 citations72
US5165998ANov 24, 1992
Prepolymers of olefins containing a chromiumoxide and a granular refractory oxide support
BP CHEM INT LTD11 citations72
US4910271AMar 20, 1990
Process for the polymerisation of ethylene or the copolymerisation of ethylene and alpha-olefins in a fluidised bed in the presence of a chromium based catalyst
BP CHEM INT LTD8 citations72
US5336738AAug 9, 1994
Kill-gas introduction to a fluidized bed reactor containing chromium oxide catalyst
BP CHEM INT LTD8 citations71
USRE35346EOct 1, 1996
Process for the polymerisation of ethylene or the copolymerisation of ethylene and alpha-olefins in a fluidised bed in the presence of a chromium based catalyst
BP CHEM INT LTD1 citations61
USRE35324ESep 3, 1996
Prepolymers of olefins containing a chromium oxide and a granular refractory oxide support
BP CHEM INT LTD1 citations61