Assignee
TOYO STAUFFER CHEM CO
34 granted patents·298 citations·filing 1976–1998
Top patents by PatentIndex Score
34 records- 0191US4916828AMethod of producing saturated vapor of solid metal organic compounds in the metal organic chemical vapor deposition methodTOYO STAUFFER CHEM CO·Filed 1989·Granted Apr 17, 1990·71 cites·1 claims
- 0275US5488169AMethod of producing tetrakis(pentafluorophenyl)borate derivatives using pentafluorophenylmagnesium derivativesTOYO STAUFFER CHEM CO·Filed 1993·Granted Jan 30, 1996·18 cites·2 claims
- 0374US5362423AMethod of producing pentafluorophenylmagnesium derivatives using pentafluorobenzeneTOYO STAUFFER CHEM CO·Filed 1993·Granted Nov 8, 1994·17 cites·1 claims
- 0474US4734999ACylinder for metal organic chemical vapor depositionTOYO STAUFFER CHEM CO·Filed 1987·Granted Apr 5, 1988·28 cites·1 claims
- 0570US4628120APreparing method of optically active ketonesTOYO STAUFFER CHEM CO·Filed 1984·Granted Dec 9, 1986·9 cites·19 claims
- 0670US4442225ACatalytic component for polymerization of α-olefin and method for homo- or co-polymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1982·Granted Apr 10, 1984·27 cites·5 claims
- 0768US5399780AMethod of producing triarylboraneTOYO STAUFFER CHEM CO·Filed 1993·Granted Mar 21, 1995·12 cites·11 claims
- 0866US5510536AProduction method of tris(pentafluorophenyl)borane using pentafluorophenylmagnesium derivatives prepared from pentafluorobenzeneTOYO STAUFFER CHEM CO·Filed 1993·Granted Apr 23, 1996·11 cites·6 claims
- 0964US5493056AMethod of producing tetrakis (pentafluorophenyl) borate derivatives using pentafluorophenyl alkali metal salt prepared from pentafluorobenzeneTOYO STAUFFER CHEM CO·Filed 1993·Granted Feb 20, 1996·10 cites·2 claims
- 1064US5420355AMethod of producing a highly pure borate complex of triarylborane with alkylated or arylated alkali metalTOYO STAUFFER CHEM CO·Filed 1993·Granted May 30, 1995·10 cites·6 claims
- 1162US4442224ACatalytic component for polymerization of α-olefin and method for homo- or co-polymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1982·Granted Apr 10, 1984·13 cites·2 claims
- 1257US5545759AMethod of producing tris(pentafluorophenyl)borane using pentafluorophenyl alkali metal salt prepared from pentafluorobenzeneTOYO STAUFFER CHEM CO·Filed 1995·Granted Aug 13, 1996·8 cites·5 claims
- 1356US4439539ACatalytic component for polymerization of α-olefin and method for homo- or co-polymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1982·Granted Mar 27, 1984·9 cites·2 claims
- 1445US4556515AManufacturing process of β-acylenamineTOYO STAUFFER CHEM CO·Filed 1984·Granted Dec 3, 1985·1 cites·6 claims
- 1545US4251388ATitanium trichloride catalytic component and method for homo- or co-polymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1979·Granted Feb 17, 1981·4 cites·9 claims
- 1645US4235745ATitanium trichloride catalytic component and method for homo-or co-polymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1978·Granted Nov 25, 1980·5 cites·5 claims
- 1744US4525558ACatalytic component for polymerization of α-olefin and method for homo- or co-polymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1984·Granted Jun 25, 1985·8 cites·2 claims
- 1844US4079175AMethod for the polymerization or copolymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1976·Granted Mar 14, 1978·7 cites·9 claims
- 1941US4222894ATitanium trichloride catalytic component and method for homo- or co-polymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1978·Granted Sep 16, 1980·5 cites·18 claims
- 2040US5387727AMethod of producing pentafluorophenyl alkali metal salt using pentafluorobenzene in a chain ether type solventTOYO STAUFFER CHEM CO·Filed 1993·Granted Feb 7, 1995·2 cites·2 claims
- 2137US4463145AMethod for homo- or co-polymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1982·Granted Jul 31, 1984·5 cites·8 claims
- 2237US4098907AMethod of preparing the catalyst component for α-olefin polymerizationTOYO STAUFFER CHEM CO·Filed 1976·Granted Jul 4, 1978·4 cites·26 claims
- 2333US4439541ACatalytic component for polymerization of α-olefin and method for homo- or co-polymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1982·Granted Mar 27, 1984·2 cites·1 claims
- 2433US4361498ATitanium trichloride catalytic component and method for homo- or co-polymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1980·Granted Nov 30, 1982·2 cites·8 claims
- 2533US4329251ATitanium trichloride catalytic component and method for homo- or co-polymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1980·Granted May 11, 1982·3 cites·7 claims
- 2633US4316975ATitanium trichloride catalytic component and method for homo- or copolymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1980·Granted Feb 23, 1982·3 cites·15 claims
- 2732US4798903AOptically active 3,3'-disilylbinaphthol derivativesTOYO STAUFFER CHEM CO·Filed 1988·Granted Jan 17, 1989·0 cites·5 claims
- 2832US4315090ATitanium trichloride catalytic component and method for homo- or co-polymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1979·Granted Feb 9, 1982·1 cites·16 claims
- 2931US4416799ACatalytic component for polymerizing α-olefin and method for homo- or co-polymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1982·Granted Nov 22, 1983·1 cites·19 claims
- 3031US4284525ATitanium trichloride catalytic component and method for homo- of co-polymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1979·Granted Aug 18, 1981·1 cites·11 claims
- 3130US6420500B1Catalyst for α-olefin polymerizationTOYO STAUFFER CHEM CO·Filed 1998·Granted Jul 16, 2002·0 cites·16 claims
- 3230US4604486AMethod of preparing optically active ketonesTOYO STAUFFER CHEM CO·Filed 1985·Granted Aug 5, 1986·0 cites·7 claims
- 3327US4434081ATitanium trichloride catalytic component and homo- or co-polymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1981·Granted Feb 28, 1984·1 cites·1 claims
- 3420US4415713AHigh activity supported catalytic components and method for homo- or co-polymerization of α-olefinTOYO STAUFFER CHEM CO·Filed 1981·Granted Nov 15, 1983·0 cites·4 claims
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