Patents for C08F 110 - Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (14,255)
09/2002
09/26/2002US20020137624 Method for the preparation of metallocene catalysts
09/26/2002US20020137623 Method for the preparation of metallocene catalysts
09/26/2002CA2440985A1 Metal complexes containing acetylenic ligands, polymerization catalysts and addition polymerization process
09/25/2002EP1243600A1 Process for producing isobutylene polymers
09/25/2002EP1243598A1 Process for the polymerization of olefins
09/25/2002EP1242478A1 Metallocene and constrained geometry catalyst systems employing agglomerated metal oxide/clay support-activator and method of their preparation
09/25/2002EP1242477A1 A method for preparing a supported catalyst system and its use in a polymerization process
09/25/2002EP1242472A1 An improved catalyst for homo- and co-polymerization of olefin
09/25/2002EP1242470A1 Preparation of ultra-high-molecular-weight polyethylene
09/25/2002EP1242464A1 Process for preparing polyolefin products
09/25/2002EP1242434A1 Polymerization-active transition metal complex compounds comprising a sterically demanding ligand system
09/25/2002EP0958313B1 Thermoplastic elastomer compositions from branched olefin copolymers
09/25/2002EP0958308B1 Process for preparing polyalkenyl substituted mono- and dicarboxylic acid producing materials
09/25/2002EP0946601B1 Ionic compounds for catalyst components, dispersions and solid addition polymerization catalysts containing the same
09/25/2002CN1370785A Preparation of metallocene catalyst
09/25/2002CN1370621A Preparation of metallocene catalyst
09/24/2002US6455660 Given annealed density, charpy impact, and dynamic storage modulus; made using a tridentate nitrogen-containing transition metal polymerization catalyst
09/24/2002US6455659 Crystalline polypropylene and molded object and film thereof
09/24/2002US6455644 Partially condensed fluid recycle stream of a fluidized bed polyolefin reactor operating in the condensing mode is split into two portions by a splitter; controlling the temperature in a fluidized bed
09/24/2002US6455643 At high temperature and pressure in a slurry and gas phase reactors, where the polymerization product of slurry reactor is conducted to the gas phase reactor without recycling unreacted monomers to the slurry reactor; fast start-ups
09/24/2002US6455642 Making bimodal ethylene homo- and copolymers in a multistage reaction sequence in the presence of an unsupported catalyst containing titanium and magnesium
09/24/2002US6455458 High molecular weight polyolefin; group 4 transition metal complexes having a bidentate ancillary ligand system of one cyclopentadienyl group bound to the transition metal and a group 15 or group 16 atom covalently bound through a bridging
09/24/2002US6455010 Combined use of internal cooling of the pressurization vessel and a differential pressure cell to control the level of dense subcooled liquid propylene in the vessel; propylene is present above and below critical temperature and pressure
09/24/2002CA2234561C Process for preparing solid titanium catalyst component for olefin polymerization and process for preparing polyolefin
09/22/2002CA2378025A1 Process for producing isobutylene polymers
09/19/2002WO2002072649A1 Process for producing polyolefin resin composition and polypropylene composition
09/19/2002WO2002072641A1 Method for making and using a metallocene catalyst system
09/19/2002WO2002020156A3 Stable catalysts and co-catalyst compositions formed from hydroxyaluminoxane and their use
09/19/2002WO2001096418A3 Catalytic solid supported on calcined hydrotalcite for olefinic polymerisation
09/19/2002WO2001096417A3 Catalyst system for carrying out olefin polymerization comprising a calcined hydrotalcite serving as a supporting material
09/19/2002US20020133034 Polyolefin production
09/19/2002US20020132950 Melt-processible, wear resistant polyethylene
09/19/2002US20020132945 Coordination polymerization catalyst
09/19/2002US20020132943 Using coordination polymerization catalyst
09/18/2002EP1241206A1 Polypropylene film and multilayered laminate
09/18/2002EP1241194A1 Polymer and process for producing the same
09/18/2002EP1241175A2 Transition metal compound, catalyst for polymerization of olefin, and process for polymerization of olefin using the catalyst
09/18/2002EP1240216A1 Method for continuous production of polyisobutene
09/18/2002EP1240213A1 Method of polymerization
09/18/2002CN1370183A Metallocene compounds and their use for olefin polymerization
09/17/2002US6451940 Catalysts for olefin polymerizations
09/17/2002US6451939 Polymerization catalysts
09/17/2002US6451938 Catalytic complex formed by activating transition metal compounds comprising cyclopentadienide anions which bear fused heterocyclic rings
09/17/2002US6451933 Bimetallic olefin polymerization catalysts
09/17/2002US6451916 Ethylene-octene copolymer as high performance trash can liners and heavy duty shipping bags
09/17/2002US6451728 Pyrrole-2-carboximine metal complex
09/17/2002US6451725 Method for preparing catalyst components
09/17/2002US6451724 Bis(n-methyl-5,10-dihydroindeno(1,2-b)indol-10 -yl)titanium dichloride
09/12/2002US20020128404 Polymerization process utilizing organometal catalyst compositions and the polymer produced thereby
09/12/2002US20020128403 Constrained geometry addition polymerization catalysts
09/12/2002US20020127582 Generating adenovirus-associated vector; obtain cells, transform with expression vector, propagate, recover transformed cells, propagate and recover vectors
09/11/2002EP1238990A1 Supported catalyst composition for polymerization of olefins; method for preparing the same and process for polymerization using the same
09/11/2002EP1238989A2 Olefin polymerization catalyst and process for producing olefin polymer with the catalyst
09/11/2002EP1237995A1 Foamable polypropylene polymers and their use
09/11/2002EP1237963A1 Articles formed from propylene diene copolymers
09/11/2002EP1237957A1 Preparation of supported polymerization catalysts
09/11/2002EP1237956A1 Coating material comprising linear, isotactic polymers
09/11/2002EP1237955A1 Bodies of polymeric material comprising linear, isotactic polymers
09/11/2002EP1237953A2 Polymerization of olefins
09/11/2002EP1237952A1 Method for the homogeneous catalytic production of highly branched amorphous polyolefins
09/11/2002EP1237951A1 Catalysts for olefin polymerizations
09/11/2002EP1237947A1 Process for reducing the weight average molecular weight and melt index ratio of polyethylenes and polyethylene products
09/10/2002US6448358 Propylene homopolymer soluble in nonpolar organic solvent such as toluene, having given physical properties and stereoregularity index; metallocene catalysts containing birdged ligand having fluorenyl ring
09/10/2002US6448355 Homogeneous branched substantially linear ethylene polymers; do not require additives; recycle compatibility between elastic and nonelastic components; disposable incontinence garments or diapers
09/10/2002US6448349 Stereorigid metallocene for block gas phase polymerizing olefins having three or more carbon atoms
09/10/2002US6448348 Process for polymerizing olefins with supported Ziegler-Natta catalyst systems
09/06/2002WO2002068483A1 Method for polymerising ethylene
09/06/2002WO2002040561A3 Composition based on propylene polymers and process for obtaining same
09/06/2002CA2407367A1 Process for polymerising ethylene
09/05/2002US20020123582 Metallocene catalyst such as dimethylsilandiylbis(2-ethyl-4-phenyl-1-indenyl)zirconium dimethyl for polymerization of propylene
09/05/2002DE10110227A1 Metallocyclocumulene compounds useful as polymerization catalysts are new
09/04/2002EP1235865A1 Tris-(3,5-dimethylpyrazolyl)chromium borate dichloride as component of catalytic systems for the polymerization of olefins and polymerization process using it
09/04/2002EP1235645A1 Polymerization catalyst systems and processes using alkly lithium compounds as a cocatalyst
09/04/2002EP0996651B1 Broad mwd, compositionally uniform ethylene interpolymer compositions, process for making the same and article made therefrom
09/04/2002CN1367797A Process for producing polyolefins
09/04/2002CN1367184A Method for producing ultrahigh melt flow polypropylene resin
09/03/2002US6444833 Metallocene compounds, process for their preparation and their use in catalytic systems for the polymerization of olefins
09/03/2002US6444773 Endcapped polyolefin; graft polymer
09/03/2002US6444764 Supported catalyst system for polymerizing alk-1-enes
09/03/2002US6444763 Using phyllosilicate mixture as catalyst supports
09/03/2002US6444736 Flame retardant polyolefin composition
09/03/2002US6444607 Catalyst solution for the polymerization of α-olefins
09/03/2002US6444606 Supported catalyst system, method for the production and use thereof in olefin polymerization
09/03/2002US6444604 Supported catalysts for the polymerization of olefins
09/03/2002CA2072476C Catalysts components for polymerization of olefins
09/03/2002CA2055218C Metallocenes containing ligands of 2-substituted indenyl derivatives, process for their preparation, and their use as catalysts
08/2002
08/29/2002WO2002066524A1 Catalyst for olefin polymerization
08/29/2002US20020120161 Polyolefin production
08/29/2002US20020120160 Transition metal compound, coordinative compound, catalyst for polymerization of olefin, and process for polymerization of olefin using the catalyst
08/29/2002US20020120081 Using as catalysts complexes of certain transition metals with certain phosphorous-nitrogen bidentate ligands; highly branched, homopolyethylenes are produced.
08/29/2002US20020120080 Use and production of polypropylene
08/29/2002US20020120079 Method of homo- or co-polymerization of alpha-olefin
08/29/2002US20020120077 Producing polyethylene resin of broad molecular weight distribution, when formed into a film, high barrier to moisture; after initial formation of a Cr-Ti-silica catalyst, further titanium (e.g.,tetraisopropoxytitanium) is added
08/29/2002US20020119888 Multi-donor catalyst system for the polymerization of olefins
08/28/2002EP1234837A1 Method for the preparation of metallocene catalysts
08/28/2002EP0986589B1 Continuous process for obtaining propylene polymers
08/28/2002EP0902793B1 Modified polysiloxane catalysts and a method of using the same
08/28/2002EP0856526B1 Olefin (co)polymer composition, process for producing the same, catalyst for (co)polymerizing olefin, and process for producing the same
08/28/2002CN1366528A Organometallic compound useful as cocatalyst for polymerizing olefins
08/27/2002US6441210 Polymerisation catalyst for ethylene
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