P

Inventor

SHIPLEY RANDALL S

25 patents

Patents

25 patents
US5057372AOct 15, 1991

Multilayer film and laminate for use in producing printed circuit boards

DOW CHEMICAL CO48 citations92
US4310648AJan 12, 1982

Polymerization of olefins in the presence of a catalyst containing titanium and zirconium

DOW CHEMICAL CO30 citations92
US4356111AOct 26, 1982

High efficiency catalyst containing titanium and zirconium for polymerizing olefins

DOW CHEMICAL CO21 citations81
US4425464AJan 10, 1984

Neutralizing polyethylene catalyst residues

DOW CHEMICAL CO16 citations74
US4381253AApr 26, 1983

Ultra high efficiency catalyst for polymerizing olefins

DOW CHEMICAL CO10 citations74
US4361685ANov 30, 1982

Polymerization of olefins in the presence of catalyst prepared from organo zirconium-chromium mixtures

DOW CHEMICAL CO10 citations74
US4269733AMay 26, 1981

Ultra high efficiency catalyst for polymerizing olefins

DOW CHEMICAL CO10 citations74
US4250286AFeb 10, 1981

Ultra high efficiency catalyst for polymerizing olefins

DOW CHEMICAL CO15 citations74
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
US4238355ADec 9, 1980

High efficiency catalyst for polymerizing olefins

DOW CHEMICAL CO8 citations71
US4496661AJan 29, 1985

High efficiency catalyst for polymerizing olefins

DOW CHEMICAL CO6 citations63
US4399056AAug 16, 1983

Organo zirconium-chromium mixtures, catalyst prepared therefrom and polymerization of olefins therewith

DOW CHEMICAL CO4 citations63
US4396748AAug 2, 1983

Process for polymerizing alpha-olefins

DOW CHEMICAL CO5 citations63
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
US4379760AApr 12, 1983

High efficiency catalyst for polymerizing olefins

DOW CHEMICAL CO2 citations61
US4376065AMar 8, 1983

Organo zirconium-chromium compound, catalyst prepared therefrom and polymerization of olefins therewith

DOW CHEMICAL CO5 citations61
US4381382AApr 26, 1983

Polymerization of olefins from catalysts prepared from organo zirconium-chromium compounds

DOW CHEMICAL CO3 citations59
US4415712ANov 15, 1983

Polymerizing olefins with catalysts containing the reaction product of a transition metal compound and a boron compound

DOW CHEMICAL CO5 citations58
US4412939ANov 1, 1983

Reaction products of transition metal compounds and boron compounds and catalysts prepared therefrom

DOW CHEMICAL CO4 citations58
US4408025AOct 4, 1983

Process for polymerizing olefins

DOW CHEMICAL CO0 citations40