Patents for C08F 110 - Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (14,255)
09/2005
09/22/2005US20050209094 Ziegler-natta catalyst for polyolefins
09/21/2005EP1577314A1 Catalyst based on a transition metal complex for polymerization of olefin, and process for polymerization of olefin using the catalyst
09/21/2005CN1671753A At least two-stage process for preparing propylene polymer compositions
09/21/2005CN1671474A Catalyst for olefin polymerization
09/21/2005CN1670071A Polypropylene resin compositions
09/20/2005US6946568 Titanium, zirconium, hafnium, vandium, niobium or tantalum complexed with an imine and an amine, oxy or sulfide
09/20/2005US6946535 Films comprising isotactic propylene copolymers
09/20/2005US6946533 Using transition metal alkylidene complexes as reaction catalysts is provided, wherein the complexes contain a cyclic group; polymerization on the catalyst using cyclic olefin monomers and no linear intermediates are generated
09/20/2005US6946532 Catalysts containing per-ortho aryl substituted aryl or heteroaryl substituted nitrogen donors
09/20/2005US6946507 Nucleating additive formulations of bicyclo[2.2.1]heptane dicarboxylate salts
09/20/2005US6946420 Coordination catalyst systems employing chromium support-agglomerate and method of their preparation
09/15/2005WO2005085305A1 Ionic liquids for heterogenising metallocene catalysts
09/15/2005WO2005040227A3 Polymerization monitoring and control using improved leading indicators
09/15/2005WO2004109417A3 Mechanically operated kill agent injection safety system and method to stop a runaway chemical reaction
09/15/2005WO2004078801B1 A metal catalyst for olefin polymerization and co-polymerization with functional monomers
09/15/2005US20050203255 Low molecular weight polypropylene derivatives
09/15/2005US20050202960 Catalyst for olenfin polymerization
09/15/2005US20050202959 Solid catalytic component and catalytic system of the ziegler-natta type, process for their preparation and their use in the polymerisation of alk-1-enes
09/15/2005US20050202958 dimethylaminotriethoxysilane; diethylaminotriethoxysilane; di-n-propylaminotriethyloxysilane; methyl-n-propylaminotriethoxysilane; high hydrogen response, high polymerization activity, high stereoregularity and excellent melt fluidity
09/14/2005EP1574529A1 Process for the preparation of polyethylene and a catalyst precursor
09/14/2005EP1572762A1 High molecular weight polypropylene process
09/14/2005EP1572761A1 Preparation of supported catalyst systems containing reduced amounts of aluminoxanes
09/14/2005EP1572760A1 Method for the preparation of olefin polymerisation catalyst support and an olefin polymerisation catalyst
09/14/2005EP1472298B1 Polymer film
09/14/2005EP1242477B1 A method for preparing a supported catalyst system and its use in a polymerization process
09/14/2005CN1668657A Enhanced solubility of magnesium halides and catalysts and polymerization process using same
09/14/2005CN1668654A Spray-dried polymerization catalyst and polymerization processes employing same
09/14/2005CN1668653A Supported polymerization catalyst
09/14/2005CN1668652A Preparation of catalyst systems
09/14/2005CN1218951C Silicon ether compound and preparation method and application thereof
09/13/2005US6943256 beta -diketimines that do not necessarily have asymmetric carbon atoms; Group IV metals, zirconium; polymerization catalysts; C2 symmetry
09/13/2005US6943226 Metallocenes having two or more different active sites, one of which is coordinated to an unsaturated nitrogenous ligand, e.g., an imine; polymer control; uniformity; highly active; linear low density polyethylene; isotactic polypropylene
09/13/2005US6943225 Multinuclear metallocene catalyst
09/13/2005US6943224 Process for preparing supported transition metal catalyst systems and catalyst systems prepared thereby
09/13/2005US6943215 Impact resistant polymer blends of crystalline polypropylene and partially crystalline, low molecular weight impact modifiers
09/13/2005CA2210496C Borabenzene based olefin polymerization catalysts
09/09/2005WO2005082957A1 Process of making polypropylene from intermediate grade propylene
09/09/2005WO2005082951A1 Preparation method of solid titanium catalyst for olefin polymerization
09/09/2005WO2005082950A1 Preparation method of solid titanium catalyst for olefin polymerization
09/09/2005WO2005082947A1 De-foaming spray dried catalyst slurries
09/09/2005WO2005082815A1 Heterogeneous chromium catalysts
09/09/2005WO2005082531A1 Transition metal complexes and their uses as catalysts
09/09/2005WO2005081851A2 Polymerization process
09/09/2005CA2553782A1 De-foaming spray dried catalyst slurries
09/08/2005US20050197471 Modified aluminum oxy compound, polymerization catalyst and process for producing olefin polymer and alkenyl aromatic hydrocarbon polymer
09/08/2005US20050197470 Using coordination polymerization catalyst
09/08/2005DE102005006886A1 Biaxial orientierte Polypropylenfolie A biaxially oriented polypropylene film
09/07/2005EP1571163A1 Ionic liquids as solvents in metallocene catalysis
09/07/2005EP1569968A1 Preparation of catalyst compositions having improved activity
09/07/2005EP0903356B1 Crystalline polypropylene, process for preparing the same, polypropylene composition, and thermoformed article
09/07/2005CN1665850A Heterocyclic nitrogen-containing activators and catalyst systems for olefin polymerization
09/07/2005CN1665849A Halogen substituted catalyst system for olefin polymerization
09/07/2005CN1217950C Method for preparing methene bridged bicyclic pentadienyl metallocene
09/07/2005CN1217891C Method for preparing methylene radical bridged dicyclic pentylene compound
09/06/2005US6939933 Heat exchanging capacity
09/06/2005US6939928 Metallocene compound, process for producing metallocene compound, olefin polymerization catalyst, process for producing polyolefin, and polyolefin
09/01/2005WO2005080457A1 Catalyst deployment in bimodal polyolefin production
09/01/2005WO2005080449A2 Olefin polymerisation process in the presence of an anti-fouling agent
09/01/2005WO2005080444A2 Olefin polymerization process with sequential discharging
09/01/2005WO2005080443A2 Slurry loop reactors
09/01/2005WO2005080442A1 Interconnected loop reactors.
09/01/2005WO2005080441A1 Method for improving a polymerisation reaction by taking out and analysing a sample
09/01/2005WO2005080440A1 Polyolefin production using high olefin concentration
09/01/2005WO2005080439A2 Surface finish of reactor
09/01/2005US20050192418 Heterocyclic metallocenes and polymerization catalysts
09/01/2005US20050192414 Tubular polymerization reactors and polymers made therein
08/2005
08/31/2005EP1568716A1 Catalyst system comprising magnesium halide
08/31/2005EP1567566A1 High temperature bulk polymerization of branched crystalline polypropylene
08/31/2005EP1567560A1 Organometallic transition metal compound, biscyclopentadienyl ligand system, catalyst system and process for preparing polyolefins
08/31/2005EP1226180B1 Organometal catalyst compositions
08/31/2005EP1162211B1 Ethylene (co)polymers and uses thereof
08/31/2005EP0991676B1 Multistage polymerization process using a catalyst having different catalytically active sites
08/31/2005CN1662565A Liquid phase process for the polymerization of alpha-olefins
08/31/2005CN1662564A Catalyst composition and polymerization process using mixtures of electron donors
08/31/2005CN1662560A Polymerization process
08/31/2005CN1662367A Thermoplastic elastomer bonded directly to metal substrate
08/31/2005CN1216920C Prepn process of polypropylene catalyst
08/31/2005CN1216918C Catalyst composition for polymerization of olefins and method for preparing same
08/31/2005CN1216916C Catalyst for olefine polymerization and method for producing olefine polymer using said catalyst
08/30/2005US6936667 Polymerization catalyst compositions and processes to produce polymers and bimodal polymers
08/30/2005US6936665 Using computer
08/30/2005US6936563 Coordination compounds and their use for the polymerization of olefins
08/30/2005CA2099214C Metallocenes containing aryl-substituted indenyl derivatives as ligands, process for their preparation, and their use as catalysts
08/25/2005WO2005077990A1 Catalytic system for polymerisation of lower alpha alkene.
08/25/2005WO2005077989A1 Titanocenen-based catalyst system
08/25/2005WO2005077987A1 End-capped polymer chains and products thereof
08/25/2005WO2005077522A1 Method and apparatus for preparing and supplying catalyst slurry to a polymerisation reactor.
08/25/2005WO2005058983A3 Monocyclopentadienyl complexes
08/25/2005WO2005047350A3 Heterogenisation of polymerisation catalysts by ionic liquids
08/25/2005US20050187367 Rigidity, dimension stability and antiblocking property at high temperatures; 1-butene-propylene copolymer
08/25/2005US20050187362 cylcometallated imino-amide tribenzyl zirconiuims, useful for the polymerization of olefins, such as ethylene, higher alpha-olefins, dienes and/or mixtures
08/25/2005US20050187360 Supported Ziegler Natta catalyst with controlled Titanium content; internal electron donor; silicon-based external electron donor; isotactic polypropylene with high melt flow rates and good stereoregularity measured as polymer fluff soluble in xylene
08/25/2005US20050187359 Solid catalyst component for olefin polymerization, catalyst for olefin polymerization and method for producing olefin polymer
08/25/2005US20050187358 separating a propylene stream and a dimethyl ether stream from an olefin stream; recovering an intermediate grade propylene stream contains between 95 and 99.5 wt % propylene; polymerizing with catalyst to form polypropylene and unreacted by-product; recovering unpolymerized propylene and polymerizing
08/25/2005US20050186126 Catalyst slurry feeding assembly for a polymerization reactor
08/25/2005DE10314369B4 Polymerisationskatalysatoren auf Porenbetonbasis, Verfahren zu ihrer Herstellung und ihre Verwendung Polymerization catalysts on porous concrete base, processes for their preparation and their use
08/25/2005CA2554528A1 End-capped polymer chains and products thereof
08/24/2005EP1565499A2 Polyolefin production
08/24/2005EP1565498A2 Processes of producing fluorided catalysts from nitrogenous metallocenes
08/24/2005EP1565262A1 Methods of forming a supported activated catalyst composition
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