Razavi; Abbas

Patent Applications and Registrations

Patent applications and USPTO patent grants for Razavi; Abbas.The latest application filed is for "activating agents for hafnium-based metallocene components".

Company Profile

0.92.109

Razavi; Abbas - Mons BE
Razavi; Abbas - Nivelles BE
Razavi; Abbas - Belgium BE
Razavi, Abbas - Brisee BE
Razavi; Abbas - Paturages BE
Razavi; Abbas - Seabrook TX
Razavi; Abbas - Paturage BE
Razavi; Abbas - Patourage BE
Razavi; Abbas - Colfontaine BE

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Activating agents for hafnium-based metallocene components Grant 9,683,056 - Busico , et al. June 20, 2	2017-06-20
Activating Agents for Hafnium-Based Metallocene Components App 20160032024 - Busico; Vincenzo ; et al.	2016-02-04
Activating agents for hafnium-based metallocene components Grant 9,206,274 - Busico , et al. December 8, 2	2015-12-08
Activating Agents for Hafnium-Based Metallocene Components App 20150018504 - Busico; Vincenzo ; et al.	2015-01-15
Activating agents for hafnium-based metallocene components Grant 8,895,466 - Busico , et al. November 25, 2	2014-11-25
Metallocene and a new single site catalyst component Grant 8,637,421 - Razavi January 28, 2	2014-01-28
Activating Agents for Hafnium-Based Metallocene Components App 20130338322 - Busico; Vincenzo ; et al.	2013-12-19
Group 3 Post-Metallocene Complexes Based on Bis(Naphthoxy)Pyridine and Bis(Naphthoxy)ThioPhene Ligands for the Ring-Opening Polymerisation of Polar Cyclic Monomers App 20130281681 - Carpentier; Jean-Francois ; et al.	2013-10-24
Metallocene and a New Single Site Catalyst Component App 20130237405 - Razavi; Abbas	2013-09-12
Post-metallocene complexes based on bis(naphthoxy)pyridine and bis(naphthoxy)thiophene ligands for the polymerisation of ethylene and alpha-olefins Grant 8,519,070 - Carpentier , et al. August 27, 2	2013-08-27
Sterically emcumbered bidentate and tridentate naphthoxy-imine metallic complexes Grant 8,492,493 - Carpentier , et al. July 23, 2	2013-07-23
Polyolefin production Grant 8,481,665 - Razavi , et al. July 9, 2	2013-07-09
Polyolefins prepared from a metallocene and a new single site catalyst components in a single reactor Grant 8,455,386 - Razavi June 4, 2	2013-06-04
Preparation of long-chain branched isotactic polypropylene Grant 8,445,608 - Carpentier , et al. May 21, 2	2013-05-21
Group 3 post-metallocene complexes based on bis(naphthoxy)pyridine and bis(naphthoxy)thiophene ligands for the ring-opening polymerisation of polar cyclic monomers Grant 8,436,133 - Carpentier , et al. May 7, 2	2013-05-07
Impact copolymer in single reactor Grant 8,426,534 - Razavi April 23, 2	2013-04-23
Transition metal complexes supported on activating support Grant 8,426,539 - Prades , et al. April 23, 2	2013-04-23
Synthesis of substituted tetrahydroindenyl complexes Grant 8,426,613 - Voskoboynikov , et al. April 23, 2	2013-04-23
Polyolefin production Grant 8,367,787 - Razavi , et al. February 5, 2	2013-02-05
Linear Low Density Polymers Having Optical and Processing Capabilities of Low Density Polyethylene App 20120316298 - Razavi; Abbas	2012-12-13
LDPE-Like Polymers With Bisindenyl-Based Ligands Having Different Rings App 20120289668 - Razavi; Abbas	2012-11-15
Fluorinated Alkoxy-Imino Catalyst Components App 20120289670 - Carpentier; Jean-Francois ; et al.	2012-11-15
Polyolefin Production App 20120271013 - Razavi; Abbas ; et al.	2012-10-25
Synthesis of substituted fluorene ligands Grant 8,288,602 - Voskoboynikov , et al. October 16, 2	2012-10-16
Polyolefins Prepared from a Metallocene and a New Single Site Catalyst Components in a Single Reactor App 20120245021 - Razavi; Abbas	2012-09-27
Process To Prepare Di- And Multiblock Copolymers App 20120136124 - Carpentier; Jean-Francois ; et al.	2012-05-31
Polyolefins prepared from a metallocene and a new single site catalyst component in a single reactor Grant 8,178,634 - Razavi May 15, 2	2012-05-15
Catalyst Components, Process for Their Preparation and Their Use as Catalyst Components in Polymerization of Olefins App 20120116033 - Razavi; Abbas ; et al.	2012-05-10
Fluorinated Catalyst Systems and Methods of Forming the Same App 20120095174 - Marin; Vladimir ; et al.	2012-04-19
Preparation And Use Of Tetrasubstituted Fluorenyl Catalysts For Polymerization Of Olefins App 20120095175 - Marin; Vladimir ; et al.	2012-04-19
Preparation of styrene homopolymers and styrene-ethlyene copolymers Grant 8,110,643 - Carpentier , et al. February 7, 2	2012-02-07
Fluorinated transition metal catalysts and formation thereof Grant 8,110,518 - Marin , et al. February 7, 2	2012-02-07
Preparation and use of tetrasubstituted fluorenyl catalysts for polymerization of olefins Grant 8,093,418 - Marin , et al. January 10, 2	2012-01-10
Fluorinated Alkoxy-Imino Catalyst Components App 20110312489 - Carpentier; Jean-Francois ; et al.	2011-12-22
Synthesis Of Substituted Tetrahydroindenyl Complexes App 20110306741 - Voskoboynikov; Alexander Z. ; et al.	2011-12-15
Preparation Of Long-chain Branched Isotactic Polypropylene App 20110306739 - Carpentier; Jean-Francois ; et al.	2011-12-15
Preparation of Dphenyl-Bridged Substituted Cyclopentadienyil-Fluorenyl Ligands App 20110251400 - Razavi; Abbas ; et al.	2011-10-13
Fluorinated alkoxy-imino catalyst components Grant 8,026,192 - Carpentier , et al. September 27, 2	2011-09-27
Supported Ionic Liquids or Activating Supposrts App 20110178258 - El Kadib; Abdelkrim ; et al.	2011-07-21
Post-Metallocene Complexes Based on Bis(Naphtoxy)Pyridine and Bis(Naphtoxy)Thiophene Ligands for the Polymerisation of Ethylene and Alpha-Olefins App 20110144291 - Carpentier; Jean-Francois ; et al.	2011-06-16
Group 3 Post-Metallocene Complexes Based on Bis(Naphthoxy)Pyridine and Bis(Naphthoxy)ThioPhene Ligands for the Ring-Opening Polymerisation of Polar Cyclic Monomers App 20110112273 - Carpentier; Jean-Francois ; et al.	2011-05-12
Sterically Emcumbered Bidentate and Tridentate Naphthoxy-Imine Metallic Complexes App 20110105704 - Carpentier; Jean-Francois ; et al.	2011-05-05
Preparation of styrene homopolymers and styrene-ethlyene copolymers App 20110098424 - Carpentier; Jean-Francois ; et al.	2011-04-28
Synthesis Of Substituted Fluorene Ligands App 20110009683 - Lebedev; Artyom Vuryevich ; et al.	2011-01-13
Carbon-Bridged Cyclopentadienyl-Fluorenyl Ligands App 20110003953 - Kirillov; Evgueni ; et al.	2011-01-06
Activating supports for metallocene catalysis Grant 7,759,271 - Prades , et al. July 20, 2	2010-07-20
Activating Supports With Non-metallocene Complexes App 20100179055 - Prades; Floran ; et al.	2010-07-15
Fluorinated Dialkoxy-diimino Catalyst Components App 20100144515 - Carpentier; Jean-Francois ; et al.	2010-06-10
Heterogenisation of catalyst components Grant 7,718,745 - Razavi May 18, 2	2010-05-18
Dual site catalyst system comprising a hafnocene component for the production of bimodal polyolefins in a single reactor Grant 7,666,959 - Razavi February 23, 2	2010-02-23
Fluorinated Alkoxy-Imino Catalyst Components App 20100029472 - Carpentier; Jean-Francois ; et al.	2010-02-04
Ethylene and alpha-olefins polymerisation catalyst system based on fluorenyl ligand App 20100016528 - Razavi; Abbas ; et al.	2010-01-21
Tridentate metal catalyst for olefin polymerization Grant 7,649,064 - Razavi , et al. January 19, 2	2010-01-19
Transition Metal Complexes Supported on Activating Support App 20100010180 - Prades; Floran ; et al.	2010-01-14
Activators For The Homo-or Co-polymerisation Of Alpha-olefins With Homogeneous Metallocene Catalyst Systems App 20090270569 - Aldoshin; Sergei Mikhailovich ; et al.	2009-10-29
Process for the preparation of substituted fluorenes Grant 7,605,294 - Marin , et al. October 20, 2	2009-10-20
Ionic liquids for heterogenising metallocene catalysts Grant 7,598,200 - Lavastre , et al. October 6, 2	2009-10-06
Nickel complexes in heterogeneous App 20090234085 - Saillard; Benjamin ; et al.	2009-09-17
Process For Dispersing Functional Molecules On The Surface Of A Support And Support Made By This Process App 20090203930 - Banet; Philippe ; et al.	2009-08-13
Single site catalyst component with metal containing chelate backbone App 20090203948 - Gladysz; John ; et al.	2009-08-13
Hydrogenated catalyst Grant 7,569,713 - Razavi August 4, 2	2009-08-04
Fluorenyl Catalyst Compositions And Olefin Polymerization Process App 20090163688 - Marin; Vladimir ; et al.	2009-06-25
Fluorinated transition metal catalysts and formation thereof App 20090156761 - Razavi; Abbas ; et al.	2009-06-18
Syndiotactic polypropylene and methods of preparing same Grant 7,538,167 - Marin , et al. May 26, 2	2009-05-26
Impact Copolymer in Single Reactor App 20090118447 - Razavi; Abbas	2009-05-07
Polyolefin Production App 20090105068 - Razavi; Abbas	2009-04-23
Catalyst compositions and methods of forming isotactic polyproyplene Grant 7,514,509 - Marin , et al. April 7, 2	2009-04-07
Fluorenyl catalyst compositions and olefin polymerization process Grant 7,514,510 - Marin , et al. April 7, 2	2009-04-07
Process For The Preparation Of Substituted Fluorenes App 20090076315 - Marin; Vladimir ; et al.	2009-03-19
Activating supports for metallocene catalysis App 20090042720 - Prades; Floran ; et al.	2009-02-12
Process for the preparation of substituted fluorenes Grant 7,473,813 - Marin , et al. January 6, 2	2009-01-06
Tridentate Metal Catalyst for Olefin Polymerization App 20090005526 - Razavi; Abbas ; et al.	2009-01-01
Isotactic-atactic polypropylene and methods of making same Grant 7,470,759 - Marin , et al. December 30, 2	2008-12-30
Polymerization Catalyst System Based on Monooxime Ligands App 20080306226 - Boulanger; Loise ; et al.	2008-12-11
Polyolefin Production App 20080300371 - RAZAVI; ABBAS ; et al.	2008-12-04
Polyolefin production Grant 7,449,527 - Razavi November 11, 2	2008-11-11
Random Olefin Copolymers App 20080275198 - RAZAVI; ABBAS	2008-11-06
Tridentate metal catalyst for olefin polymerization Grant 7,439,205 - Razavi , et al. October 21, 2	2008-10-21
Polymerisation Catalyst System Based on Monooxime Ligands App 20080249266 - Boulanger; Louis ; et al.	2008-10-09
Polyolefins Prepared From Two New Single Site Catalyst Components In Single Reactor App 20080214759 - Razavi; Abbas	2008-09-04
Linear Low Density Polymers Having Optical and Processing Capabilities of Low Density Polyethyelene App 20080188632 - Razavi; Abbas	2008-08-07
Catalyst system comprising a mixture of catalyst components for producing a polyolefin blend Grant 7,396,888 - Razavi July 8, 2	2008-07-08
Ldpe-Like Polymers With Bisindeny-Based Ligands Having Different Rings App 20080146752 - Razavi; Abbas	2008-06-19
Group IIIb metal complexes with "constrained geometry" fluorenyl based ligands Grant 7,388,062 - Razavi , et al. June 17, 2	2008-06-17
Activating Agents for Hafnium-Based Metallocene Components App 20080108765 - Busico; Vincenzo ; et al.	2008-05-08
Polyolefins Prepared From A Metallocene And A New Single Site Catalyst Component In A Single Reactor App 20080108766 - Razavi; Abbas	2008-05-08
Syndiotactic Polypropylene And Methods Of Preparing Same App 20080097052 - Marin; Vladimir ; et al.	2008-04-24
Preparation and use of tetrasubstituted fluorenyl catalysts for polymerization of olefins Grant 7,335,711 - Marin , et al. February 26, 2	2008-02-26
Preparation and Use of Tetrasubstituted Fluorenyl Catalysts for Polymerization of Olefins App 20080026935 - Marin; Vladimir ; et al.	2008-01-31
Isotactic-atactic Polypropylene And Methods Of Making Same App 20080027193 - Marin; Vladimir ; et al.	2008-01-31
Fluorenyl Catalyst Compositions And Olefin Polymerization Process App 20080027189 - Marin; Vladimir ; et al.	2008-01-31
Group III bridged ionic metallocene based on cyclopentadienyl-fluorenyl ligands Grant 7,309,748 - Carpentier , et al. December 18, 2	2007-12-18
Catalyst Support App 20070276105 - Razavi; Abbas	2007-11-29
Bidentate catalyst for olefin polymerization, methods of forming such and products therefrom Grant 7,301,040 - Razavi , et al. November 27, 2	2007-11-27
Process for polyolefin production using fluorinated transition metal catalysts having a low pH App 20070255026 - Razavi; Abbas ; et al.	2007-11-01
Process for polyolefin production using fluorinated transition metal catalysts App 20070255024 - Razavi; Abbas ; et al.	2007-11-01
Process for copolymer production using fluorinated transition metal catalysts App 20070255023 - Razavi; Abbas ; et al.	2007-11-01
Process for polyolefin production using fluorinated transition metal catalyst App 20070255025 - Razavi; Abbas ; et al.	2007-11-01
Fluorinated transition metal catalysts and large scale formation thereof App 20070254801 - Razavi; Abbas ; et al.	2007-11-01
Fluorinated transition metal catalysts and formation thereof App 20070254800 - Razavi; Abbas ; et al.	2007-11-01
Fluorinated transition metal catalysts and formation thereof App 20070255022 - Razavi; Abbas ; et al.	2007-11-01
Fluorinated transition metal catalysts and formation thereof App 20070255028 - Razavi; Abbas ; et al.	2007-11-01
Fluorinated Transition Metal Catalysts and Formation Thereof App 20070255021 - Marin; Vladimir ; et al.	2007-11-01
Ionic Liquids As Supports App 20070213485 - Lavastre; Olivier ; et al.	2007-09-13
Silicon containing cyclopentadienyl ring for metallocene catalyst components Grant 7,250,478 - Razavi July 31, 2	2007-07-31
Group III bridged metallocene based on cyclopentadienyl-fluorenyl ligands Grant 7,241,849 - Carpentier , et al. July 10, 2	2007-07-10
Hydrogenated catalyst App 20070155619 - Razavi; Abbas	2007-07-05
Ionic liquids as solvents App 20070155621 - Lavastre; Olivier ; et al.	2007-07-05
Bimodal polyethylene App 20070155620 - Lavastre; Olivier ; et al.	2007-07-05
Catalyst compositions and methods of forming isotactic polypropylene App 20070142578 - Marin; Vladimir P. ; et al.	2007-06-21
Supported olefin polymerisation catalyist App 20070142219 - Razavi; Abbas	2007-06-21
Tridentate metal catalyst for olefin polymerization App 20070117943 - Razavi; Abbas ; et al.	2007-05-24
Tridentate metal catalyst for olefin polymerization App 20070117713 - Razavi; Abbas ; et al.	2007-05-24
Catalyst components, process for their preparation and their use as catalyst components in polymerization of olefins App 20070093623 - Razavi; Abbas ; et al.	2007-04-26
Method for making polyolefins having internal double bonds App 20070073013 - Razavi; Abbas ; et al.	2007-03-29
Random olefin copolymers App 20070060726 - Razavi; Abbas	2007-03-15
Preparation and use of tetrasubstituted fluorenyl catalysts for polymerization of olefins App 20070043183 - Marin; Vladimir ; et al.	2007-02-22
Bidentate catalyst for olefin polymerization, methods of forming such and products therefrom App 20070043184 - Razavi; Abbas ; et al.	2007-02-22
Catalyst components, process for their preparation and their use as catalyst components in polymerization of olefins Grant 7,176,950 - Razavi , et al. February 13, 2	2007-02-13
Grafting of transition metal complexes on supports App 20070032629 - Banet; Phillipe ; et al.	2007-02-08
Heterogenisation of catalyst components App 20070021574 - Razavi; Abbas	2007-01-25
Process for the preparation of substituted fluorenes App 20070015946 - Marin; Vladimir ; et al.	2007-01-18
Oligomerisation catalyst based upon an octanuclear nickel cluster App 20070010640 - Razavi; Abbas ; et al.	2007-01-11
Group IIIb metal complexes with "constrained geometry" fluorenyl based ligands App 20060264586 - Razavi; Abbas ; et al.	2006-11-23
Group III bridged ionic metallocene based on cyclopentadienl-fluorenyl ligands App 20060258827 - Carpentier; Jean-Francois ; et al.	2006-11-16
Polypropylene blends having a narrow molecular weight distribution App 20060241254 - Razavi; Abbas	2006-10-26
Polyolefin production App 20060217504 - Razavi; Abbas ; et al.	2006-09-28
Process for the preparation of substituted fluorenes Grant 7,094,938 - Marin , et al. August 22, 2	2006-08-22
Ethylene polymerization employing bis-imino pyridinyl transition metal catalyst components Grant 7,081,506 - Razavi , et al. July 25, 2	2006-07-25
Branched polypropylene App 20060149008 - Razavi; Abbas	2006-07-06
Polyolefin production App 20060148643 - Razavi; Abbas	2006-07-06
Group III bridged metallocene based on cyclopentadienyl-fluorenyl ligands App 20060116278 - Carpentier; Jean-Francois ; et al.	2006-06-01
Catalyst components, process for their preparation and their use as catalyst components in polymerization of olefins App 20060100093 - Razavi; Abbas ; et al.	2006-05-11
Catalyst component comprising a metallocene with two tetrahydroindenyl ligands for producing a polyolefin Grant 7,041,756 - Razavi May 9, 2	2006-05-09
Polyolefin production App 20060094836 - Razavi; Abbas	2006-05-04
Catalyst components, process for their preparation and their use as catalyst components in polymerization of olefins Grant 7,034,157 - Razavi , et al. April 25, 2	2006-04-25
Dual site catalyst system comprising a hafnocene component for the production of bimodal polyolefins in a single reactor App 20060068985 - Razavi; Abbas	2006-03-30
Silicon containing cyclopentadienyl ring for metallocene catalyst components App 20060014634 - Razavi; Abbas	2006-01-19
Catalyst components and their use in the polymerization of olefins App 20050148460 - Marin, Vladimir ; et al.	2005-07-07
Catalyst system comprising a mixture of catalyst components for producing a polyolefin blend App 20050119425 - Razavi, Abbas	2005-06-02
Catalyst structure for olefin polymerization Grant 6,894,180 - Razavi , et al. May 17, 2	2005-05-17
Polyolefin production Grant 6,894,132 - Razavi May 17, 2	2005-05-17
Catalyst components, process for their preparation and their use as catalyst components in polymerization of olefins App 20050090385 - Razavi, Abbas ; et al.	2005-04-28
Ethylene polymerization employing bis-imino pyridinyl transition metal catalyst components App 20050090631 - Razavi, Abbas ; et al.	2005-04-28
Catalyst component comprising a metallocene with two tetrahydroindenyl ligands for producing a polyolefin App 20050020438 - Razavi, Abbas	2005-01-27
Polyolefin production Grant 6,800,707 - Razavi October 5, 2	2004-10-05
Catalyst structure for olefin polymerization App 20040138055 - Razavi, Abbas ; et al.	2004-07-15
Bridged metallocene catalyst component, method of making, polyolefin catalyst having C1, C2, or Cs symmetry, methods of making, methods of polymerizing, olefins and products made thereof App 20040102311 - Razavi, Abbas ; et al.	2004-05-27
Polyolefin production App 20040087746 - Razavi, Abbas	2004-05-06
Polyolefin production App 20040077805 - Razavi, Abbas	2004-04-22
Low density polyolefin Grant 6,653,431 - Razavi , et al. November 25, 2	2003-11-25
Olefin polymerization catalyst Grant 6,630,550 - Razavi October 7, 2	2003-10-07
Process for the preparation of a polyolefin Grant 6,630,546 - Razavi , et al. October 7, 2	2003-10-07
Production of multimodal polyethylene Grant 6,566,450 - Debras , et al. May 20, 2	2003-05-20
Metallocene catalyst component for use in producing isotactic polyolefins Grant 6,559,089 - Razavi , et al. May 6, 2	2003-05-06
Process for producing polyolefins and polyolefin catalyst Grant 6,541,413 - Razavi , et al. April 1, 2	2003-04-01
Polyolefin production App 20030036472 - Razavi, Abbas ; et al.	2003-02-20
Polyolefin production Grant 6,515,086 - Razavi February 4, 2	2003-02-04
Production of multimodal polyethylene Grant 6,479,589 - Debras , et al. November 12, 2	2002-11-12
Polyolefin production App 20020133034 - Razavi, Abbas ; et al.	2002-09-19
Syndiotactic/atactic block polyolefins, catalysts and processes for producing the same Grant 6,448,349 - Razavi September 10, 2	2002-09-10
Polyolefin production App 20020120161 - Razavi, Abbas ; et al.	2002-08-29
Process for preparing and using meso/racemic-[bis (indenyl) ethane] zirconium dichloride compounds App 20020115801 - Razavi, Abbas	2002-08-22
Production of multimodal polyethylene App 20020099140 - Debras, Guy ; et al.	2002-07-25
Production of multimodal polyethylene App 20020065368 - Debras, Guy ; et al.	2002-05-30
Process to produce bimodal polyolefins with metallocene catalysts using two reaction zones Grant 6,380,311 - Razavi , et al. April 30, 2	2002-04-30
Production of multimodal polythylene Grant 6,346,575 - Debras , et al. February 12, 2	2002-02-12
Process for producing syndiotactic/isotactic block polyolefins Grant 6,245,870 - Razavi June 12, 2	2001-06-12
Supported metallocene-alumoxane catalysts for the preparation of polyethylene having a broad monomodal molecular weight distribution Grant 6,225,428 - Razavi May 1, 2	2001-05-01
Process for preparing and using a supported metallocene-alumoxane catalyst Grant 6,218,330 - Razavi , et al. April 17, 2	2001-04-17
Production of multimodal polyethylene Grant 6,218,472 - Debras , et al. April 17, 2	2001-04-17
Syndiotactic polypropylene Grant 6,184,326 - Razavi , et al. February 6, 2	2001-02-06
Bridged metallocenes for use in catalyst systems Grant 6,002,033 - Razavi , et al. December 14, 1	1999-12-14
Supported metallocene-alumoxane catalysts for the preparation of polyethylene having a broad monomodal molecular weight distribution Grant 5,914,289 - Razavi June 22, 1	1999-06-22
Process for producing polyolefins and polyolefin catalyst Grant 5,719,241 - Razavi , et al. February 17, 1	1998-02-17
Syndiotactic polypropylene Grant 5,476,914 - Ewen , et al. December 19, 1	1995-12-19
Process for producing syndiotactic polyolefins Grant 5,334,677 - Razavi , et al. August 2, 1	1994-08-02
Process and catalyst for producing crystalline polyolefins Grant 5,304,523 - Razavi * April 19, 1	1994-04-19
Process and catalyst for producing syndiotactic polymers Grant 5,292,838 - Razavi * March 8, 1	1994-03-08
Process and catalyst for producing syndiotactic polymers Grant 5,278,265 - Razavi January 11, 1	1994-01-11
Process and catalyst for producing syndiotactic polymers Grant 5,243,002 - Razavi September 7, 1	1993-09-07
Process and catalyst for producing syndiotactic polyolefins Grant 5,225,500 - Elder , et al. July 6, 1	1993-07-06
Process and catalyst for producing syndiotactic polymers Grant 5,223,468 - Razavi * June 29, 1	1993-06-29
Process and catalyst for producing syndiotactic polymers Grant 5,223,467 - Razavi * June 29, 1	1993-06-29
Non-bridged syndiospecific metallocene catalysts and polymerization process Grant 5,162,278 - Razavi November 10, 1	1992-11-10
Process for producing stereospecific polymers Grant 5,158,920 - Razavi October 27, 1	1992-10-27
Process and catalyst for producing syndiotactic polyolefins Grant 5,155,080 - Elder , et al. * October 13, 1	1992-10-13
Process for the preparation of metallocenes Grant 5,117,020 - Razavi May 26, 1	1992-05-26
Process and catalyst for producing syndiotactic polyolefins Grant 4,892,851 - Ewen , et al. January 9, 1	1990-01-09

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