Inventor · disambiguated record
Randall S. Shipley
Also filed as: BIRKELBACH DONALD F · SHIPLEY RANDALL S
25 granted patents·278 citations·filing 1979–1989
96Inventor score
Files withDOW CHEMICAL CO25
Top patents by PatentIndex Score
25 records- 0182US5057372AMultilayer film and laminate for use in producing printed circuit boardsDOW CHEMICAL CO·Filed 1989·Granted Oct 15, 1991·48 cites·20 claims
- 0280US4310648APolymerization of olefins in the presence of a catalyst containing titanium and zirconiumDOW CHEMICAL CO·Filed 1980·Granted Jan 12, 1982·30 cites·30 claims
- 0373US4356111AHigh efficiency catalyst containing titanium and zirconium for polymerizing olefinsDOW CHEMICAL CO·Filed 1980·Granted Oct 26, 1982·21 cites·14 claims
- 0471US4250286AUltra high efficiency catalyst for polymerizing olefinsDOW CHEMICAL CO·Filed 1979·Granted Feb 10, 1981·15 cites·6 claims
- 0570US4308369AHigh efficiency catalyst for polymerizing olefinsDOW CHEMICAL CO·Filed 1980·Granted Dec 29, 1981·19 cites·24 claims
- 0668US4425464ANeutralizing polyethylene catalyst residuesDOW CHEMICAL CO·Filed 1982·Granted Jan 10, 1984·16 cites·32 claims
- 0767US4224186AHigh efficiency catalyst for polymerizing olefinsDOW CHEMICAL CO·Filed 1979·Granted Sep 23, 1980·12 cites·9 claims
- 0863US4399053AHigh efficiency catalyst containing titanium, zirconium and zinc for polymerizing olefinsDOW CHEMICAL CO·Filed 1980·Granted Aug 16, 1983·14 cites·7 claims
- 0960US4380508AUltra high efficiency catalyst for polymerizing olefinsDOW CHEMICAL CO·Filed 1981·Granted Apr 19, 1983·12 cites·17 claims
- 1060US4269733AUltra high efficiency catalyst for polymerizing olefinsDOW CHEMICAL CO·Filed 1979·Granted May 26, 1981·10 cites·9 claims
- 1157US4381253AUltra high efficiency catalyst for polymerizing olefinsDOW CHEMICAL CO·Filed 1981·Granted Apr 26, 1983·10 cites·15 claims
- 1256US4409126AUltra high efficiency catalyst for polymerizing olefinsDOW CHEMICAL CO·Filed 1981·Granted Oct 11, 1983·10 cites·10 claims
- 1356US4361685APolymerization of olefins in the presence of catalyst prepared from organo zirconium-chromium mixturesDOW CHEMICAL CO·Filed 1981·Granted Nov 30, 1982·10 cites·19 claims
- 1455US4238355AHigh efficiency catalyst for polymerizing olefinsDOW CHEMICAL CO·Filed 1979·Granted Dec 9, 1980·8 cites·14 claims
- 1547US4496661AHigh efficiency catalyst for polymerizing olefinsDOW CHEMICAL CO·Filed 1983·Granted Jan 29, 1985·6 cites·7 claims
- 1645US4451626AProcess for polymerizing alpha-olefinsDOW CHEMICAL CO·Filed 1983·Granted May 29, 1984·6 cites·35 claims
- 1743US4396748AProcess for polymerizing alpha-olefinsDOW CHEMICAL CO·Filed 1981·Granted Aug 2, 1983·5 cites·60 claims
- 1843US4376065AOrgano zirconium-chromium compound, catalyst prepared therefrom and polymerization of olefins therewithDOW CHEMICAL CO·Filed 1981·Granted Mar 8, 1983·5 cites·8 claims
- 1942US4399056AOrgano zirconium-chromium mixtures, catalyst prepared therefrom and polymerization of olefins therewithDOW CHEMICAL CO·Filed 1981·Granted Aug 16, 1983·4 cites·9 claims
- 2038US4415712APolymerizing olefins with catalysts containing the reaction product of a transition metal compound and a boron compoundDOW CHEMICAL CO·Filed 1982·Granted Nov 15, 1983·5 cites·31 claims
- 2137US4323665AHigh efficiency catalyst for polymerizing olefinsDOW CHEMICAL CO·Filed 1980·Granted Apr 6, 1982·3 cites·24 claims
- 2236US4412939AReaction products of transition metal compounds and boron compounds and catalysts prepared therefromDOW CHEMICAL CO·Filed 1982·Granted Nov 1, 1983·4 cites·13 claims
- 2335US4381382APolymerization of olefins from catalysts prepared from organo zirconium-chromium compoundsDOW CHEMICAL CO·Filed 1981·Granted Apr 26, 1983·3 cites·13 claims
- 2434US4379760AHigh efficiency catalyst for polymerizing olefinsDOW CHEMICAL CO·Filed 1981·Granted Apr 12, 1983·2 cites·7 claims
- 2529US4408025AProcess for polymerizing olefinsDOW CHEMICAL CO·Filed 1981·Granted Oct 4, 1983·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →