Inventor · disambiguated record
Abbas Razavi
Also filed as: EWEN JOHN A · RAZAVI ABBAS · RAZAVI ABBAS W
92 granted patents·57 pending applications·2,617 citations·filing 1988–2015
99Inventor score
Files withFINA TECHNOLOGY48FINA RESEARCH26TOTAL PETROCHEMICALS RES FELUY22RAZAVI ABBAS19CARPENTIER JEAN-FRANCOIS8
Top patents by PatentIndex Score
149 records- 0199US4892851AProcess and catalyst for producing syndiotactic polyolefinsFINA TECHNOLOGY·Filed 1988·Granted Jan 9, 1990·457 cites·12 claims
- 0298US6566450B2Production of multimodal polyethyleneFINA RESEARCH·Filed 2002·Granted May 20, 2003·80 cites·10 claims
- 0398US5155080AProcess and catalyst for producing syndiotactic polyolefinsFINA TECHNOLOGY·Filed 1989·Granted Oct 13, 1992·220 cites·8 claims
- 0497US6346575B1Production of multimodal polythyleneFINA RESEARCH·Filed 1999·Granted Feb 12, 2002·113 cites·16 claims
- 0596US8110518B2Fluorinated transition metal catalysts and formation thereofMARIN VLADIMIR·Filed 2007·Granted Feb 7, 2012·45 cites·2 claims
- 0696US6515086B1Polyolefin productionFINA RESEARCH·Filed 2000·Granted Feb 4, 2003·67 cites·25 claims
- 0796US6184326B1Syndiotactic polypropyleneFINA TECHNOLOGY·Filed 1995·Granted Feb 6, 2001·121 cites·5 claims
- 0896US5914289ASupported metallocene-alumoxane catalysts for the preparation of polyethylene having a broad monomodal molecular weight distributionFINA RESEARCH·Filed 1997·Granted Jun 22, 1999·107 cites·9 claims
- 0996US5719241AProcess for producing polyolefins and polyolefin catalystFINA RESEARCH·Filed 1994·Granted Feb 17, 1998·107 cites·20 claims
- 1096US5225500AProcess and catalyst for producing syndiotactic polyolefinsFINA TECHNOLOGY·Filed 1992·Granted Jul 6, 1993·118 cites·19 claims
- 1195US5334677AProcess for producing syndiotactic polyolefinsFINA TECHNOLOGY·Filed 1991·Granted Aug 2, 1994·91 cites·13 claims
- 1295US5162278ANon-bridged syndiospecific metallocene catalysts and polymerization processFINA TECHNOLOGY·Filed 1989·Granted Nov 10, 1992·83 cites·18 claims
- 1394US5476914ASyndiotactic polypropyleneFINA TECHNOLOGY·Filed 1992·Granted Dec 19, 1995·88 cites·4 claims
- 1493US6479589B2Production of multimodal polyethyleneFINA RESEARCH·Filed 2002·Granted Nov 12, 2002·34 cites·6 claims
- 1592US7094938B1Process for the preparation of substituted fluorenesFINA TECHNOLOGY·Filed 2005·Granted Aug 22, 2006·10 cites·17 claims
- 1692US5243002AProcess and catalyst for producing syndiotactic polymersFINA TECHNOLOGY·Filed 1992·Granted Sep 7, 1993·78 cites·20 claims
- 1791US7514510B2Fluorenyl catalyst compositions and olefin polymerization processFINA TECHNOLOGY·Filed 2006·Granted Apr 7, 2009·13 cites·10 claims
- 1891US6218472B1Production of multimodal polyethyleneFINA RESEARCH·Filed 1999·Granted Apr 17, 2001·71 cites·24 claims
- 1990US5158920AProcess for producing stereospecific polymersFINA TECHNOLOGY·Filed 1991·Granted Oct 27, 1992·63 cites·33 claims
- 2089US8895466B2Activating agents for hafnium-based metallocene componentsTOTAL RES & TECHNOLOGY FELUY·Filed 2013·Granted Nov 25, 2014·6 cites·18 claims
- 2189US7439205B2Tridentate metal catalyst for olefin polymerizationFINA TECHNOLOGY·Filed 2005·Granted Oct 21, 2008·9 cites·17 claims
- 2287US7666959B2Dual site catalyst system comprising a hafnocene component for the production of bimodal polyolefins in a single reactorTOTAL PETROCHEMICALS RES FELUY·Filed 2003·Granted Feb 23, 2010·25 cites·16 claims
- 2386US7396888B2Catalyst system comprising a mixture of catalyst components for producing a polyolefin blendTOTAL PETROCHEMICALS RES FELUY·Filed 2002·Granted Jul 8, 2008·26 cites·18 claims
- 2486US6002033ABridged metallocenes for use in catalyst systemsFINA RESEARCH·Filed 1998·Granted Dec 14, 1999·70 cites·21 claims
- 2586US5223467AProcess and catalyst for producing syndiotactic polymersFINA TECHNOLOGY·Filed 1992·Granted Jun 29, 1993·46 cites·8 claims
- 2685US8519070B2Post-metallocene complexes based on bis(naphthoxy)pyridine and bis(naphthoxy)thiophene ligands for the polymerisation of ethylene and alpha-olefinsCARPENTIER JEAN-FRANCOIS·Filed 2009·Granted Aug 27, 2013·6 cites·11 claims
- 2785US7335711B2Preparation and use of tetrasubstituted fluorenyl catalysts for polymerization of olefinsFINA TECHNOLOGY·Filed 2005·Granted Feb 26, 2008·6 cites·7 claims
- 2883US7759271B2Activating supports for metallocene catalysisTOTAL PETROCHEMICALS RES FELUY·Filed 2006·Granted Jul 20, 2010·6 cites·20 claims
- 2983US6541413B1Process for producing polyolefins and polyolefin catalystFINA RESEARCH·Filed 1995·Granted Apr 1, 2003·38 cites·4 claims
- 3083US6380311B1Process to produce bimodal polyolefins with metallocene catalysts using two reaction zonesFINA RESEARCH·Filed 1998·Granted Apr 30, 2002·44 cites·11 claims
- 3183US5278265AProcess and catalyst for producing syndiotactic polymersFINA TECHNOLOGY·Filed 1993·Granted Jan 11, 1994·33 cites·12 claims
- 3282US5304523AProcess and catalyst for producing crystalline polyolefinsFINA TECHNOLOGY·Filed 1992·Granted Apr 19, 1994·43 cites·17 claims
- 3380US5223468AProcess and catalyst for producing syndiotactic polymersFINA TECHNOLOGY·Filed 1992·Granted Jun 29, 1993·28 cites·5 claims
- 3479US8436133B2Group 3 post-metallocene complexes based on bis(naphthoxy)pyridine and bis(naphthoxy)thiophene ligands for the ring-opening polymerisation of polar cyclic monomersCARPENTIER JEAN-FRANCOIS·Filed 2009·Granted May 7, 2013·3 cites·7 claims
- 3578US7473813B2Process for the preparation of substituted fluorenesFINA TECHNOLOGY·Filed 2006·Granted Jan 6, 2009·2 cites·5 claims
- 3675US7449527B2Polyolefin productionTOTAL PETROCHEMICALS RES FELUY·Filed 2003·Granted Nov 11, 2008·11 cites·24 claims
- 3775US7176950B2Catalyst components, process for their preparation and their use as catalyst components in polymerization of olefinsFINA TECHNOLOGY·Filed 2005·Granted Feb 13, 2007·2 cites·8 claims
- 3874US7514509B2Catalyst compositions and methods of forming isotactic polyproypleneFINA TECHNOLOGY·Filed 2005·Granted Apr 7, 2009·3 cites·15 claims
- 3974US5589556AProcess and catalyst for producing crystalline polyolefinsFINA TECHNOLOGY·Filed 1994·Granted Dec 31, 1996·20 cites·20 claims
- 4073US8637421B2Metallocene and a new single site catalyst componentTOTAL RES & TECHNOLOGY FELUY·Filed 2013·Granted Jan 28, 2014·1 cites·9 claims
- 4172US7034157B2Catalyst components, process for their preparation and their use as catalyst components in polymerization of olefinsFINA TECHNOLOGY·Filed 2003·Granted Apr 25, 2006·7 cites·20 claims
- 4272US6559089B1Metallocene catalyst component for use in producing isotactic polyolefinsFINA TECHNOLOGY·Filed 1998·Granted May 6, 2003·34 cites·81 claims
- 4372US5117020AProcess for the preparation of metallocenesFINA RESEARCH·Filed 1990·Granted May 26, 1992·21 cites·10 claims
- 4470US8492493B2Sterically emcumbered bidentate and tridentate naphthoxy-imine metallic complexesCARPENTIER JEAN-FRANCOIS·Filed 2009·Granted Jul 23, 2013·2 cites·14 claims
- 4568US6448349B1Syndiotactic/atactic block polyolefins, catalysts and processes for producing the sameFINA RESEARCH·Filed 1997·Granted Sep 10, 2002·21 cites·18 claims
- 4668US6245870B1Process for producing syndiotactic/isotactic block polyolefinsFINA TECHNOLOGY·Filed 1995·Granted Jun 12, 2001·22 cites·29 claims
- 4767US6265503B1Polyolefin productionFINA RESEARCH·Filed 2000·Granted Jul 24, 2001·6 cites·4 claims
- 4867US5292838AProcess and catalyst for producing syndiotactic polymersFINA TECHNOLOGY·Filed 1993·Granted Mar 8, 1994·28 cites·16 claims
- 4966US8445608B2Preparation of long-chain branched isotactic polypropyleneCARPENTIER JEAN-FRANOEOIS·Filed 2009·Granted May 21, 2013·4 cites·9 claims
- 5065US8481665B2Polyolefin productionRAZAVI ABBAS·Filed 2012·Granted Jul 9, 2013·1 cites·12 claims
Showing the top 50 of 149 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →