Patents for C07F 17 - Metallocenes (7,057)
03/1999
03/23/1999US5886123 High molecular weights and narrow molecular weight distributions; intrinsic viscosity of 6.0 dl/g.; ratio of monomers in sequence; films; synthetic rubbers
03/23/1999US5886117 Polymerizing vinyl aromatic monomer having high degree of syndiotacticity, in presence of a catalyst of the group 4 metal complex containing boron
03/23/1999US5886107 Process for hydrogenation of conjugated diene polymers and catalyst compositions suitable for use therein
03/23/1999CA2144607C Process for the synthesis of monomethylmetallocenes and dimethylmetallocenes and their solutions specifically for use in the polymerization of olefins
03/23/1999CA2130398C Bridged cyclopentadienylmagnesium compounds and process for the preparation thereof and use thereof for preparing metallocenes
03/18/1999WO1999012943A1 Method for producing metallocenes
03/18/1999DE19739946A1 Verfahren zur Herstellung von Metallocenen A process for the preparation of metallocenes
03/17/1999EP0901497A1 Yttrium containing metal complexes and olefin polymerization process
03/16/1999US5883278 Reacting a salt of an asymmetric bis(cyclopentadienyl) moiety containing ligand with a chelate diamine adduct of a transition, lanthanide or actinide metal halide
03/16/1999US5883277 Olefin polymerization catalysts; complexing, quaternization
03/16/1999US5883275 Process for the hydrogenation of metallocenes
03/16/1999US5883202 Process for olefin polymerization using metallocene catalysts with Lewis acids and aluminum alkyls
03/11/1999WO1999011648A1 Organometallic compounds, their preparation and use
03/11/1999WO1998057995A3 Cyclopenta[i]phenanthrene metal complex catalyst systems
03/10/1999EP0900228A1 A method for producing octahydrofluorenyl metal complexes
03/10/1999EP0900195A1 Cyclopentadiene compound substituted with branched alkyl groups
03/10/1999EP0900194A1 Cyclopentadiene compound substituted with linear groups
03/10/1999EP0900193A1 Process for cyclopentadiene substitution with groups differing from each other
03/10/1999EP0900192A1 Synthesis of an amine-containing cyclopentadiene
03/10/1999CN1210109A Titanium metallocene compounds
03/10/1999CN1210108A Titanium metallocene compounds
03/10/1999CN1210107A Titanium metallocene compounds
03/09/1999US5880302 Organometallic compound
03/03/1999EP0898585A1 Polyolefin composition with molecular weight maximum occuring in that part of the composition that has the highest comonomer content
02/1999
02/24/1999EP0897926A1 Mononuclear and polynuclear transition metal complexes with pentalene ligands bound to single metal atoms
02/24/1999EP0897388A1 Silicon-functional cyclopentadiene
02/24/1999CN1209141A Transition metal compound
02/18/1999WO1999007717A1 Production of bridged hafnocenes
02/18/1999WO1999007716A1 Novel transition metal complexes
02/18/1999DE19736152A1 New azido-aziridine complex compounds
02/18/1999CA2299536A1 Production of bridged hafnocenes
02/17/1999EP0896592A1 Cyclopentadiene compound with a non-coordinating anion
02/16/1999USRE36103 Aluminoxane with transition metal compound for polymerization of olefins
02/16/1999US5872328 Ferrocene derivatives
02/11/1999WO1999006448A1 Catalysts based on fulvene metal complexes
02/11/1999WO1999006420A1 Process for synthesis of molybdenum sulfide dimers
02/11/1999WO1999006419A1 Novel crystalline ion-association substance, process for producing the same, and latent photopolymerization initiator
02/11/1999WO1999006412A1 Perfluoronaphthyl substituted boron containing catalyst activator
02/11/1999DE19720592A1 Pure enantiomer metallocene complex compounds useful in stereoselective synthesis
02/11/1999CA2299633A1 Perfluoronaphthyl substituted boron containing catalyst activator
02/11/1999CA2298603A1 Process for synthesis of molybdenum sulfide dimers
02/11/1999CA2297769A1 Catalysts based on fulvene metal complexes
02/09/1999US5869721 Polymerization catalysts for vinylaromatic compounds
02/09/1999US5869586 Using coordination polymerization catalyst
02/09/1999US5869584 Process for the preparation of an olefin polymer using metallocenes containing specifically substituted indenyl ligands
02/04/1999WO1999005154A1 Compositions and metal complexes having ancillary ligands
02/04/1999WO1999005153A1 Method for producing metallocenes
02/04/1999WO1999005152A1 Method for producing metallocenes
02/04/1999WO1999005100A1 Ionic compounds with delocalized anionic charge, their use as components of ionic conductors or catalyst
02/04/1999DE19732804A1 Katalysatoren auf Basis von Fulven-Metallkomplexen Catalysts based on fulvene metal complexes
02/04/1999CA2297657A1 Compositions and metal complexes having ancillary ligands
02/03/1999EP0894096A1 An assay system and novel labelled compounds for use therewith
02/03/1999EP0750625B1 Preparation of monocyclopentadienyl metal complexes by nucleophilic substitution of bis(cyclopentadienyl) metal complexes
02/03/1999CN1207105A 催化剂体系 The catalyst system
02/03/1999CN1207103A Preparation of biscyclopentadienyl diene complexes
02/02/1999US5866706 Preparation and separation of RAC and MESO compound mixtures
02/02/1999US5866704 3-aryl substituted indenyl containing metal complexes and polymerization process
02/02/1999US5866497 Catalyst for the production of olefin polymers
01/1999
01/28/1999DE19725192C1 Verfahren zur Herstellung von Organoalkalimetallverbindungen Process for the preparation of Metal Compounds
01/27/1999EP0892816A1 Polymerization process for producing polyolefin elastomer, cation-generating cocatalyst for activating a metallocene procatalyst, polyolefin elastomer possessing a unique combination of properties and products manufactured therefrom
01/27/1999EP0784639B1 Syndiotactic prochiral olefin polymerization process
01/26/1999US5863911 Diarylethylene metallocene derivatives, their processes of preparation and pharmaceutical compositions containing said derivatives
01/26/1999US5863853 Polymerization catalyst systems, their production and use
01/21/1999WO1999002571A1 Catalytic components for the polymerization of olefins, polymerization catalysts, and process for polymerizing olefins by using the same
01/21/1999WO1999002540A1 New metallocene compounds for the polymerization of ethylenically unsaturated monomers
01/20/1999EP0891980A1 A process of selectively preparing racemic ansa-metallocene complexes
01/20/1999EP0891364A1 Calixpyrroles, calixpyridinopyrroles and calixpyridines
01/19/1999US5861522 Production of bridged metallocene complexes and intermediates therefor
01/14/1999WO1999001460A1 Catalyst for the production of olefin polymers
01/13/1999EP0890176A1 Proton conductor in liquid form
01/13/1999EP0889913A2 Allyl containing metal complexes and olefin polymerization process
01/13/1999EP0889897A1 Heterocyclic metal complexes and olefin polymerization process
01/13/1999EP0889863A2 Surface modified carbonate materials
01/12/1999US5859276 Organotransition metal compounds
01/12/1999US5859272 Transition metal compound, olefin polymerization catalyst component comprising the transition metal compound, olefin polymerization catalyst comprising the olefin polymerization catalyst component, and process for olefin polymerization
01/07/1999WO1999000398A1 Polymerisation catalysts
01/07/1999CA2294943A1 Polymerisation catalysts
01/05/1999US5856547 Organo omega-alkenyl cyclopentacarbyl silane compounds
01/05/1999US5856541 Reacting cyclopent-2-en-1-one with a grignard reagent
01/05/1999US5856540 Asymmetric monolithiation of ferrocene compound using n-butyllithium in presence of a homochiaral tertiary amine, and reacting the chiral monolithium compound insitu with a chlorophosphine; a ligand in transitional metal complexes
01/05/1999US5856258 Phenolate constrained geometry polymerization catalyst and method for preparing
01/05/1999US5856256 Metallocene complex with tris(perfluorobiphenyl)borane
12/1998
12/29/1998US5854363 (Omega-alkenyl) (cyclopentacarbyl) metallocene compounds
12/29/1998US5854362 Supported biscyclopentadienyl metal complexes
12/29/1998US5854166 Synthesis and use of (perfluoroaryl) fluoro-aluminate anion
12/29/1998US5854165 Transition metal compound, catalyst for olefin polymerization, process for preparing olefin polymer by use of catalyst
12/24/1998DE19725647A1 Cyclopenta[I]phenanthren-Metallkomplex-Katalysatorsysteme Cyclopenta [I] phenanthrene-metal complex catalyst systems
12/23/1998WO1998057996A1 ETHYLENE ENHANCEMENT OF PROCESSES FOR SYNTHESIS OF HIGH MELTING THERMOPLASTIC ELASTOMERIC α-OLEFIN POLYMERS (PRE/EPE EFFECTS)
12/23/1998WO1998057995A2 Cyclopenta[i]phenanthrene metal complex catalyst systems
12/23/1998WO1998057975A1 Enhanced production of bridged hafnocenes
12/23/1998WO1998057974A1 Method for producing organoalkali-metal compounds
12/23/1998EP0885231A1 Synthesis of titanocenes
12/23/1998CA2295186A1 Enhanced production of bridged hafnocenes
12/23/1998CA2294255A1 Cyclopenta[i]phenanthrene metal complex catalyst systems
12/23/1998CA2292538A1 Ethylene enhancement of processes for synthesis of high melting thermoplastic elastomeric .alpha.-olefin polymers (pre/epe effects)
12/22/1998US5852142 Process for the preparation of an olefin polymer
12/17/1998WO1998056831A1 New catalyst systems for (co-)polymerization reactions, metallocene amide halogenides, the production and use thereof
12/17/1998WO1998056794A1 Preparation and separation of rac and meso compound mixtures
12/17/1998CA2293490A1 New catalyst systems for (co-)polymerization reactions, metallocene amide halogenides, the production and use thereof
12/16/1998EP0883623A1 Preparation of chiral titanocenes
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