Patents for C08F 110 - Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond (14,255)
01/2005
01/19/2005CN1185264C Method for preparing solid catalyst components and catalyst for alpha-olefin polymerization and process for preparing alpha-olefin polymers
01/18/2005US6844480 Method of separating dimethyl ether from an olefin stream
01/18/2005US6844446 Catalysts containing per-ortho aryl substituted aryl or heteroaryl substituted nitrogen donors
01/18/2005US6844408 Using cyclic peroxy promoters
01/18/2005US6844404 Catalyst compositions for the polymerization of olefins
01/18/2005US6844290 Such as (1,3,5-Tris(2-n-propylheptyl)-1,3,5-triazacyclo-hexane)chromium trichloride; high selectivity for trimeri-zation of alpha-olefins
01/13/2005WO2005003191A1 Method for preparing an olefin polymerisation catalyst composition
01/13/2005WO2005003184A1 Polymerization processes using antistatic agents
01/13/2005WO2005003181A2 Polymerization catalyst system using di-sec-butyldimethoxysilane for preparation of polypropylene
01/13/2005WO2004106390A3 Polymerization and oligomerization catalyst with tridentate or tetradentate ligand
01/13/2005WO2004072121A3 A catalyst system for ethylene (co)polymerization
01/13/2005US20050010288 Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices
01/13/2005US20050009973 Reduced melt viscosity; strippable; oxidation resistance; stability
01/13/2005US20050009690 formed via reacting activated magnesium halide composite support with halogenized transition metal compound and chelating diamide in the presence of organo-magnesium as promoter; for production of linear low-density polyethylene
01/13/2005US20050009689 Solid cocatalyst component for olefin polymerization and catalyst system thereof
01/13/2005US20050006821 Radiation and melt treated ultra high molecular weight polyethylene prosthetic devices
01/13/2005DE10328854A1 Verfahren zur Herstellung von Polyisobutenen A process for the preparation of polyisobutenes
01/13/2005CA2545483A1 Polymerization catalyst system using di-sec-butyldimethoxysilane for preparation of polypropylene
01/12/2005EP1496070A1 A polyolefin having internal double bonds and a method for making the same
01/12/2005EP1496068A1 Process to produce bimodal polyolefins with metallocene catalysts using two reaction zones.
01/12/2005EP1495058A1 Polyisobutenamines
01/12/2005EP1495038A1 Azaborolyl group 4 metal complexes, catalysts and olefin polymerization process
01/12/2005EP1461197A4 Oxygen tailoring of polyethylene resins
01/12/2005EP1401883A4 Catalyst for polymerization and copolymerization of ethylene
01/12/2005EP1355952A4 Method for producing a catalyst for homo- or co- polymerization of ethylene
01/12/2005EP1339761A4 Method for producing homo- and co-polymers of ethylene
01/12/2005EP1339760A4 Method for producing homo- and co-polymers of ethylene
01/12/2005EP1259553B1 High activity carbenium-activated polymerization catalysts
01/12/2005EP1124859B1 Compound comprising a transition metal cation linked to an aluminoxate anion and its use as catalyst component
01/12/2005EP1117706B1 Activated carbon filter
01/12/2005CN1563168A Method for preparing nano composite material of polyethylene/montmorillonite
01/12/2005CN1563119A Olefin hydrocarbon polymerization catalyst, method of preparing olefinic polymer, and olefinic polymer
01/12/2005CN1563116A New type ramification of resin containing iodine, synthetic method and application in researching protein group based on mass spectrum
01/12/2005CN1563115A Catalyst in use for synthesizing polypropylene in no specification or low specification, and preparation method
01/12/2005CN1563114A Polyethylene catalyst and preparation method
01/12/2005CN1184256C Propylene polymer composition and its films made therefrom
01/12/2005CN1184244C Polyethylene resin and pipe and joint using same
01/12/2005CN1184242C Catalyst systems and their use in polymerization process
01/12/2005CN1184241C Unique supported metallocene catalyst for producing syndiotactic styrenic polymer
01/11/2005US6841693 Transition metal compound, olefin polymerization catalyst, and method of polymerizing olefin
01/11/2005US6841634 Modified supported catalysts for the polymerization of olefins
01/11/2005US6841632 Components and catalysts for the (co)polymerization of olefins
01/11/2005US6841506 Catalyst system produces polyolefin that has increased melt flow index, broadened molecular weight distribution, and improved thermal processability
01/11/2005US6841504 Polymerization catalyst activator and its use in a polymerization process
01/11/2005US6841503 Process for producing solid catalyst component and catalyst for α-olefin polymerization, and process for producing α-olefin polymer
01/11/2005US6841502 For catalytic polymerization of ethylene/olefin copolymers
01/11/2005US6841501 Catalyst system for the polymerization of olefins
01/11/2005US6841498 For producing ethylene polymer and co-polymer with narrow molecular weight distribution as well as improved branching compositional distribution
01/06/2005WO2005000916A1 Polymerization process for preparing (co)polymers
01/06/2005WO2005000908A2 Process for the preparation of a catalyst and process of polymerization using supercritical fluids and/or fluids at high pressures and its use
01/06/2005WO2004065396A3 Phosphoric esters of polyisobutene-substituted aromatic hydroxy compounds
01/06/2005US20050004385 Fulvene, metallocene catalysts and preparation method thereof, and preparation of polyolefines copolymer using the same
01/06/2005US20050004334 Polymerization of alpha-olefins, and copolymers thereof
01/06/2005US20050004329 Process for forming a ziegler-natta catalyst system having a controlled morphology
01/06/2005US20050004328 Adducts of mid-range vinylidene content polyisobutylene polymer products and methods for making the same
01/06/2005US20050004299 Mixture with polyethylene; controlling particle size; biocompatibility; filter for water pollution control
01/06/2005US20050003951 Using a coordination polymerization catalyst
01/06/2005US20050003151 Crystal structure; biaxial molecular orientation mesh
01/06/2005US20050003125 Thermoplastic structures for the storing and transporting of organoleptic sensitive products
01/06/2005CA2530124A1 Polymerization process for preparing (co)polymers
01/05/2005EP1358223A4 Chelate catalyst for olefin polymerization and olefin polymerization method using the same
01/05/2005EP1353960A4 Method for preparing catalyst for olefin polymerization
01/05/2005EP1307492A4 A catalyst for ethylene homo- and copolymerization
01/05/2005DE10324892A1 Polymerbasierter Werkstoff Polymer-based material
01/05/2005CN1561349A Supported phosphinimine polymerization catalyst
01/05/2005CN1561346A Solid catalyst component for olefin polymerization
01/05/2005CN1560093A Preparation process of polypropylene with wide molecule weight distribution
01/05/2005CN1560092A Composite catalist of titanium substitued nickle acenaphthene diimine of synthesizing branched polyvinyl and its preparation process
01/05/2005CN1183168C Polymer composition, a process for the production thereof and films prepared thereof
01/05/2005CN1183167C Process for reducing the weight average molecular weight and melt index ratio of polyethy lenes and polyethylene products
01/05/2005CN1183165C Polyaddition catalyst compsns. polyaddition catalyst, and method for preparing addition polymer
01/04/2005US6838563 Monocyclopentadienyl complexes of chromium, molybdenum or tungsten
01/04/2005US6838540 Olefin polymer and production processes thereof
01/04/2005US6838538 Hydrogenated modified polymer, process for producing the same and composition containing the same
01/04/2005US6838533 Organometal catalyst composition
01/04/2005CA2294754C Catalyst for the production of olefin polymers
12/2004
12/30/2004US20040267073 Method for producing poly-alpha-olefins
12/30/2004US20040266964 Heat-sealable polyolefins and articles made therefrom
12/30/2004US20040266962 Using di-sec-butyldialkoxysilanes as external electron donors for coordination catalysts (Ziegler-Natta) to provide high activity, high buld density, moderate hydrogen response, moderate donor response and high polydispersityof 7-11; polymers having a melt flow 1-100 decigrams/min.; xylene solubles of <6
12/30/2004US20040266961 Catalyst composition II
12/30/2004US20040266959 Process control for the (co)-polymerisation of olefins
12/30/2004US20040266934 formed by treating non-acid-treated smectite clay with Ziegler-Natta catalyst in the presence of a hydrocarbon, then polymerizing in presence of organoaluminum cocatalyst
12/30/2004US20040266902 Useful for making implants, for example, as components of artificial joints such as acetabular cups
12/30/2004US20040266611 Molecular-sieve catalyst composition, its making and use in conversion processes
12/30/2004US20040266610 Magnesium dichloride-ethanol adduct and catalyst components obtained therefrom
12/30/2004US20040266609 coordination polymerization catalyst containing magnesium, titanium and aluminum compounds
12/29/2004WO2004113402A1 Method for producing polyisobutenes
12/29/2004WO2004113400A2 End-cappped polymer chains and products thereof
12/29/2004WO2004113397A1 Multi-catalyst system for olefin polymerization
12/29/2004WO2004113057A1 Process for the preparation of a shaped part of an ultra high molecular weight polyethylene
12/29/2004WO2004067586A3 Mixed bimetallic olefin polymerisation catalyst
12/29/2004EP1490416A2 Magnesium dichloride-ethanol adducts and catalyst components obtained therefrom
12/29/2004EP1490413A1 Solid titanium catalyst component for olefin polymerization, catalyst for olefin polymerization, and process for olefin polymerization
12/29/2004EP1490172A1 Treatment of acid catalysts with nitrogen compounds
12/29/2004EP1390416B1 Propylene copolymer foams
12/29/2004EP1254186B1 Propylene impact copolymers
12/29/2004EP1222216B1 Propylene polymers and process for the preparation thereof
12/29/2004CN1558884A Process for producing low polymer of alpha-olefin
12/29/2004CN1558792A Integrated advanced chemical process control
12/29/2004CN1182190C In-situ polymerization process for preparing nm-class composite polyolefin/inorganic component material
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