Inventor · disambiguated record
Roger Spitz
Also filed as: SPITZ ROGER · SPITZ ROGER N
48 granted patents·5 pending applications·737 citations·filing 1985–2014
98Inventor score
Files withATOCHEM ELF SA9ATOCHEM7MICHELIN RECH TECH5THUILLIEZ JULIEN4TOTAL PETROCHEMICALS RES FELUY4
Top patents by PatentIndex Score
53 records- 0194US5055535AProcedure for gas-phase polymerication of ethylene allowing the fabrication of linear polyethylene with a narrow molecular-weight distributionATOCHEM·Filed 1989·Granted Oct 8, 1991·75 cites·4 claims
- 0293US8492573B2Borohydride metallocene complex of a lanthanide, catalytic system including said complex, polymerization method using same and ethylene/butadiene copolymer obtained using said methodTHUILLIEZ JULIEN·Filed 2011·Granted Jul 23, 2013·12 cites·2 claims
- 0393US8071800B2Borohydride metallocene complex of a lanthanide, catalytic system including said complex, polymerization method using same and ethylene/butadiene copolymer obtained using said methodTHUILLIEZ JULIEN·Filed 2006·Granted Dec 6, 2011·23 cites·26 claims
- 0493US7547654B2Catalytic system for obtaining conjugated diene/monoolefin copolymers and these copolymersMICHELIN RECH TECH·Filed 2006·Granted Jun 16, 2009·20 cites·26 claims
- 0593US7094854B2Ethylene/butadiene copolymers, catalytic system and process for the synthesis thereofTOTAL PETROCHEMICALS RES FELUY·Filed 2005·Granted Aug 22, 2006·23 cites·22 claims
- 0692US8268949B2Borohydride metallocene complex of a lanthanide, catalytic system including the said complex, polymerisation method using same and ethylene/butadiene copolymer obtained using said methodTHUILLIEZ JULIEN·Filed 2011·Granted Sep 18, 2012·11 cites·3 claims
- 0792US6239059B1Activator solid support for metallocene catalysts in the polymerization of olefins, a process for preparing such a support, and the corresponding catalytic system and polymerization processATOCHEM ELF SA·Filed 1998·Granted May 29, 2001·79 cites·46 claims
- 0892US5648580ASupported lewis acid catalysts for hydrocarbon conversion reactionsEXXON CHEMICAL PATENTS INC·Filed 1996·Granted Jul 15, 1997·53 cites·6 claims
- 0992US5561095ASupported lewis acid catalysts for hydrocarbon conversion reactionsEXXON CHEMICAL PATENTS INC·Filed 1994·Granted Oct 1, 1996·44 cites·7 claims
- 1090US6569799B1Catalytic system, its method for preparation, and method for preparation of a copolymer of ethylene and a conjugated dieneMICHELIN RECH TECH·Filed 2000·Granted May 27, 2003·38 cites·12 claims
- 1189US5192732APropylene polymerization cocatalyst containing silane and resultant catalystsATOCHEM·Filed 1991·Granted Mar 9, 1993·72 cites·15 claims
- 1288US8039565B2Catalytic system for obtaining conjugated diene/mono-olefin copolymers and these copolymersMICHELIN RECH TECH·Filed 2009·Granted Oct 18, 2011·10 cites·4 claims
- 1383US7759271B2Activating supports for metallocene catalysisTOTAL PETROCHEMICALS RES FELUY·Filed 2006·Granted Jul 20, 2010·6 cites·20 claims
- 1479US6800705B2Catalytic system, its method for preparation and method for preparation of a copolymer of ethylene and a conjugated dieneMICHELIN RECH TECH·Filed 2002·Granted Oct 5, 2004·16 cites·19 claims
- 1578US8071700B2Borohydride metallocene complex of a lanthanide, catalytic system including said complex, polymerization method using same and ethylene/butadiene copolymer obtained using said methodTHUILLIEZ JULIEN·Filed 2006·Granted Dec 6, 2011·15 cites·11 claims
- 1677US6780946B2Activator solid support for metallocene catalysts in the polymerization of olefins, a process for preparing such a support, and the corresponding catalytic system and polymerization processATOCHEM ELF SA·Filed 2003·Granted Aug 24, 2004·12 cites·49 claims
- 1776US5110317AMethods and compositions to enhance stain resistance of dyed nylon carpet fibers: thiocyanate to reduce yellowingALLIED SIGNAL INC·Filed 1991·Granted May 5, 1992·40 cites·22 claims
- 1873US7851395B2Controlled distribution of stereospecific sites in Ziegler-Natta catalyst systemsTOTAL PETROCHEMICALS RES FELUY·Filed 2007·Granted Dec 14, 2010·3 cites·6 claims
- 1971US6949489B1Solid supported catalyst usable for the polymerization of conjugated dienes, process for the preparation thereof and a process for the polymerization of conjugated dienes using this catalystMICHELIN RECH TECH·Filed 2000·Granted Sep 27, 2005·10 cites·21 claims
- 2071US5230708AMethods and compositions to enhance stain resistance of nylon carpet fibers: thlocyanate to reduce yellowingALLIED SIGNAL INC·Filed 1989·Granted Jul 27, 1993·26 cites·21 claims
- 2170US9828470B2Silicone composition that can be cured in the presence of water or atmospheric moistureBLUESTAR SILICONES FRANCE·Filed 2014·Granted Nov 28, 2017·2 cites·19 claims
- 2269US8138112B2Controlled distribution of active sites in ziegler-natta catalyst systemsRIBOUR DAVID·Filed 2007·Granted Mar 20, 2012·3 cites·8 claims
- 2365US8426539B2Transition metal complexes supported on activating supportPRADES FLORAN·Filed 2006·Granted Apr 23, 2013·2 cites·12 claims
- 2461US4639430ACatalyst support, process for its manufacture, and catalysts prepared with this supportATOCHEM·Filed 1986·Granted Jan 27, 1987·17 cites·9 claims
- 2559US5212132AMagnesium chloride particles with a polyhedral structure, catalytic components supported on these particles, resultant catalyst systems, processes for fabricating these products, and polyolefins obtained from these catalytic componentsATOCHEM·Filed 1991·Granted May 18, 1993·17 cites·23 claims
- 2657US6605561B1Activator solid support for metallocene catalysts in the polymerization of olefins, a process for preparing such a support, and the corresponding catalytic system and polymerization processATOCHEM ELF SA·Filed 2001·Granted Aug 12, 2003·11 cites·33 claims
- 2755US9012359B2Activating supportsMURON MELANIE·Filed 2012·Granted Apr 21, 2015·1 cites·25 claims
- 2855US7078363B2Olefin polymerisation catalystARKEMA·Filed 2001·Granted Jul 18, 2006·2 cites·22 claims
- 2953US6512078B1Process for manufacturing polyesterRHODIA STER SA·Filed 1999·Granted Jan 28, 2003·14 cites·41 claims
- 3052US8796403B2Copolymers with polar and non-polar olefin blocksNAVARRO CHRISTOPHE·Filed 2009·Granted Aug 5, 2014·0 cites·18 claims
- 3150US6818714B1Method for polymerizing olefins in the presence of nickel complexes and corresponding catalytic systemATOFINA·Filed 2000·Granted Nov 16, 2004·2 cites·46 claims
- 3250US5739226ASolid catalytic component containing zirconium and cycloalkadienyl groups, process for producing it and process for the polymerization of olefins in its presenceATOCHEM ELF SA·Filed 1995·Granted Apr 14, 1998·11 cites·48 claims
- 3346US5610114ACatalyst for the polymerization of diolefins, method for its preparation, and its use for the preparation of polymersMICHELIN & CIE·Filed 1995·Granted Mar 11, 1997·9 cites·20 claims
- 3446US5599760AMagnesium chloride particulates having unique morphology and olefin polymerization catalysts supported thereonATOCHEM ELF SA·Filed 1995·Granted Feb 4, 1997·6 cites·5 claims
- 3546US5152803AMethods and compositions to enhance stain resistance of carpet fibers with water-soluble thiocyanateALLIED SIGNAL INC·Filed 1991·Granted Oct 6, 1992·9 cites·24 claims
- 3646US2012149858A1Controlled Distribution of Active Sites in Ziegler-Natta Catalyst SystemsRIBOUR DAVID·Filed 2012·Application pending·0 cites
- 3744US6737483B1Method for polymerising olefins in the presence of waterFiled 1999·Granted May 18, 2004·7 cites·37 claims
- 3844US2010179055A1Activating supports with non-metallocene complexesTOTAL PETROCHEMICALS RES FELUY·Filed 2006·Application pending·0 cites
- 3943US5455018AMagnesium chloride particulates having unique morphology and olefin polymerization catalysts supported thereonATOCHEM ELF SA·Filed 1993·Granted Oct 3, 1995·4 cites·14 claims
- 4041US5612427ACatalyst for the polymerization of diolefins, method for its preparation, and its use for the preparation of polymersMICHELIN & CIE·Filed 1995·Granted Mar 18, 1997·6 cites·3 claims
- 4141US5484754AProcess for treating a catalytic component, resultant component, and polymerization of ethylene using such componentATOCHEM ELF SA·Filed 1993·Granted Jan 16, 1996·5 cites·7 claims
- 4240US6057258ASolid catalytic component for the polymerization of olefinsATOCHEM ELF SA·Filed 1998·Granted May 2, 2000·5 cites·22 claims
- 4339US5563225AProcess for the polymerization of ethylene and catalytic component thereforATOCHEM·Filed 1994·Granted Oct 8, 1996·3 cites·2 claims
- 4439US2013158215A1Modified ziegler-natta catalyst systemsMARTIGNY ELSA·Filed 2011·Application pending·0 cites
- 4539US2001053835A1Supported Lewis acid catalysts for hydrocarbon conversion reactions - (PT-1127)EXXON CHEMICAL PATENTS INC·Filed 2000·Application pending·0 cites
- 4636US2009234085A1Nickel complexes in heterogeneousSAILLARD BENJAMIN·Filed 2005·Application pending·0 cites
- 4735US6326459B1Process of polymerization by opening oxygenated rings, using a catalytic composition based on a grafted metal oxideRHODIA CHIMIE SA·Filed 1998·Granted Dec 4, 2001·7 cites·12 claims
- 4834US8524627B2Activating supports with controlled distribution of OH groupsPANNIER GAELLE·Filed 2010·Granted Sep 3, 2013·0 cites·13 claims
- 4933US5439662AProcess for making MgCl2 MgO with narrow granulometric distribution, catalytic components containing the same, process of using such supports to polymerize olefins, and resultant polyolefinsATOCHEM ELF SA·Filed 1993·Granted Aug 8, 1995·2 cites·3 claims
- 5031US7060767B2Supported metallocene catalytic component and method for obtaining sameBORTOLUSSI FREDERIC·Filed 2002·Granted Jun 13, 2006·0 cites·18 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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