Inventor
BIRKELBACH DONALD F
12 patents
Patents
12 patentsUS4120820AOct 17, 1978
High efficiency catalyst for polymerizing olefins
DOW CHEMICAL CO49 citations92
US4409126AOct 11, 1983
Ultra high efficiency catalyst for polymerizing olefins
DOW CHEMICAL CO10 citations73
US4399053AAug 16, 1983
High efficiency catalyst containing titanium, zirconium and zinc for polymerizing olefins
DOW CHEMICAL CO14 citations73
US4380508AApr 19, 1983
Ultra high efficiency catalyst for polymerizing olefins
DOW CHEMICAL CO12 citations73
US4308369ADec 29, 1981
High efficiency catalyst for polymerizing olefins
DOW CHEMICAL CO19 citations73
US4224186ASep 23, 1980
High efficiency catalyst for polymerizing olefins
DOW CHEMICAL CO12 citations73
US4198315AApr 15, 1980
High efficiency catalyst for polymerizing olefins
DOW CHEMICAL CO19 citations73
US4189553AFeb 19, 1980
High efficiency catalyst for polymerizing olefins
DOW CHEMICAL CO14 citations73
US4238355ADec 9, 1980
High efficiency catalyst for polymerizing olefins
DOW CHEMICAL CO8 citations71
US4451626AMay 29, 1984
Process for polymerizing alpha-olefins
DOW CHEMICAL CO6 citations62
US4323665AApr 6, 1982
High efficiency catalyst for polymerizing olefins
DOW CHEMICAL CO3 citations62
US4243785AJan 6, 1981
High efficiency catalyst for polymerizing olefins
DOW CHEMICAL CO2 citations62