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Matches 701 - 750 out of 13,141

Document Document Title
WO/2008/042059A1
Disclosed is a method of preparing an ultra-high molecular weight, linear low density polyethylene with a catalyst system that comprises a bridged indenoindolyl transition metal complex, a non-bridged indenoindolyl transition metal compl...  
WO/2008/033197A3
Copolymers of an olefin or alpha-olefin and a cyclic olefin where the cyclic olefin comprises greater than 50 mole percent by weight of the copolymer have been discovered. These copolymers have unique properties, including low density, h...  
WO/2008/031790A1
A process for preparing an aqueous polymer dispersion using alkenes having from 4 to 40 carbon atoms.  
WO/2008/033197A2
Copolymers of an olefin or alpha-olefin and a cyclic olefin where the cyclic olefin comprises greater than 50 mole percent by weight of the copolymer have been discovered. These copolymers have unique properties, including low density, h...  
WO/2008/032735A1
A polypropylene resin from which a blown container with excellent transparency, impact resistance and flexibility can be obtained; and, obtained therefrom, a stretch blown container allowing volume reduction/weight reduction. The polypro...  
WO/2008/026628A1
Disclosed is a polyolefin polymer containing vinyl groups at both ends, which contains a constitutional unit derived from at least one substance selected from the group consisting of ethylene (a), α-olefins (b) having 3-20 carbon atoms ...  
WO/2008/027269A3
Telechelic unsaturated polymers suitable for conversion to functionalized derivatives such as polyols are prepared by metathesis of an unsaturated copolymer formed by addition polymerization of ethylene, a diene or alkyne and, optionally...  
WO/2008/025721A1
A 1-butene/propylene copolymer composition having a content of propylene derived units from 4 to 10% by weight, wherein at least 50% of the polymer is present in the thermodynamically stable, trigonal form I after 100 hours at room tempe...  
WO/2008/025710A1
A 1-butene/propylene copolymer composition having a content of propylene derived units from 1 to 4% by weight, wherein at least 50% of the crystalline polymer is present in the thermodynamically stable, trigonal Form I (detected by DSC a...  
WO/2008/025212A1
A process for preparing butyl rubber involves that the mixture of iso-monoolefin, conjugated diene and diluent together with the mixture of initiator and diluent is fed into the hypergravity reactor in a specific proportion to carry out ...  
WO/2008/027116A1
A process for polymerizing propylene is provided. The process comprises contacting propylene and optionally one or more monomers with a catalyst system comprising a bis-indenyl Group 4 metallocene compound supported on silica, the silica...  
WO/2008/022430A1
A magnesium titanium olefin polymerization procatalyst is prepared by A) reacting a diorganomagnesium compound with a source of active chlorine, (with the proviso that the amount of chlorine is insufficient to completely convert the dior...  
WO/2008/021292A3
Provided is a resin composition comprising an amine-neutralized ethylene acid copolymer. These resin compositions may be characterized by enhanced adhesion and reduced crystallinity. Also provided are shaped articles, multilayer films or...  
WO/2008/017525A1
Butene-1 copolymers containing: a) from 1 to 7 % by mole of ethylene derived units, and b) from 3 to 20 % by mole of units derived from one or more alpha-olefin(s) having general formula H2C=CHR, wherein R is methyl or a linear or branch...  
WO/2008/018976A1
This invention relates to a process for maintaining heat transfer capacity of a cycle cooler while polymerizing olefin(s) in the presence of catalyst and a carboxylate metal salt by controlling the amount of carboxylate metal salt presen...  
WO/2008/015113A2
A polymerization process for preparing heterophasic propylene copolymers in two or more gas-phase reactors connected in series, in the presence of a polymerization catalyst comprising a catalytic component based on a titanium compound su...  
WO/2008/016467A1
Disclosed herein is a multimodal polymer composition comprising 45 to 75 wt% of a first polymer fraction, 25 to 55 wt% of a second polymer fraction, and from 10-50 phr of an extender oil. The multimodal polymer composition has an overall...  
WO/2008/016059A1
A film having, in at least a part thereof, a layer comprising an ethylene resin which is a copolymer of ethylene and an α-olefin having 4 to 10 carbon atoms and satisfies the requirements (1) to (5) below or an ethylene resin compositio...  
WO/2008/014217A3
An olefin polymerization process comprising contacting one or more olefins and a catalyst component in a reaction zone under suitable reaction conditions to form a polyolefin, wherein the catalyst component is characterized by the formul...  
WO/2008/010962A3
The invention provides a process of polymerizing ethylene and at least one α- olefin, said process comprises polymerizing the ethylene and the at least one α-olefin in the presence of 5-ethylidene-2-norbornene, which comprises low leve...  
WO/2008/010962A2
The invention provides a process of polymerizing ethylene and at least one α- olefin, said process comprises polymerizing the ethylene and the at least one α-olefin in the presence of 5-ethylidene-2-norbornene, which comprises low leve...  
WO/2008/006636A1
The present invention relates to a copolymer which contains 3-methylbut-1-ene as a comonomer and ethene or propene as a further monomer, wherein the proportion of 3-methylbut-1-ene incorporated is from 0.1 to 40 mol%, and to a process fo...  
WO/2008/008112A1
Disclosed is a selected type of copolymer composition comprising copolymers having units derived from ethylene and dicyclopentadiene (DCPD) co-monomers. Such copolymer compositions: a) have a DCPD-derived comonomer unit content of from a...  
WO/2008/002346A1
Provided for herein is a process for separating a hydrocarbon-rubber from a hydrofluorocarbon diluent comprising contacting a polymer slurry comprising the hydrocarbon-rubber dispersed within the hydrofluorocarbon diluent with a hydrocar...  
WO/2008/002524A3
A process for the production of an ethylene alpha-olefin copolymer is disclosed. The process includes polymerizing ethylene and at least one alpha-olefin by contacting the ethylene and the at least one alpha-olefin with a metallocene cat...  
WO/2008/001682A1
A film that has a layer of specified 4-methyl-1-pentene copolymer and has a specified thickness buildup and thermal shrinkage coefficient. There is provided a film excelling in heat resistance and mold release properties, especially a fi...  
WO/2008/002381A2
A process for the production of an ethylene alpha-olefin copolymer is disclosed, the process including polymerizing ethylene and at least one alpha- olefin by contacting the ethylene and the at least one alpha-olefin with a metallocene c...  
WO/2008/002381A3
A process for the production of an ethylene alpha-olefin copolymer is disclosed, the process including polymerizing ethylene and at least one alpha- olefin by contacting the ethylene and the at least one alpha-olefin with a metallocene c...  
WO/2008/002379A3
Ethylene alpha-olefin copolymers formed by contacting at least one supported metallocene catalyst, ethylene, and an alpha-olefin in a gas phase reactor are disclosed. In some embodiments, the polymer may have: a density of between 0.890 ...  
WO/2008/002379A2
Ethylene alpha-olefin copolymers formed by contacting at least one supported metallocene catalyst, ethylene, and an alpha-olefin in a gas phase reactor are disclosed. In some embodiments, the polymer may have: a density of between 0.890 ...  
WO/2008/000515A1
The present invention provides polymer compositions, comprising a random propylene copolymer having an MFR2 value of 70 or more (g/10 min), which is in particular suitable for preparing thin-walled packaging products by injection molding.  
WO/2008/002524A2
A process for the production of an ethylene alpha-olefin copolymer is disclosed. The process includes polymerizing ethylene and at least one alpha-olefin by contacting the ethylene and the at least one alpha-olefin with a metallocene cat...  
WO/2007/149274A3
A process for deactivating an active catalyst species in an olefin polymer stream exiting a polymerization reactor and neutralizing catalyst residues, as well as reducing corrosion, plugging or fouling of olefin production and recovery e...  
WO/2007/149082A1
The present invention is an improved polymeric resin composition comprising units derived from ethylene, from about 20 wt% to about 30 wt% units derived from an α, β-unsaturated carboxylic acid having from 3 to 8 carbons, and optionall...  
WO/2007/147865A2
The present invention relates to a process for the production of propylene polymers in the presence of a Ziegler-Natta catalyst comprising a titanium compound having at least one titanium-halogen bond, and a blend of a diether compound a...  
WO/2007/149275A2
A process for deactivating an active catalyst species in an olefin polymer stream exiting a polymerization reactor and neutralizing catalyst residues comprising adding to the olefin polymer stream in a quantity at least sufficient to ina...  
WO/2007/147865A3
The present invention relates to a process for the production of propylene polymers in the presence of a Ziegler-Natta catalyst comprising a titanium compound having at least one titanium-halogen bond, and a blend of a diether compound a...  
WO/2007/149274A2
A process for deactivating an active catalyst species in an olefin polymer stream exiting a polymerization reactor and neutralizing catalyst residues, as well as reducing corrosion, plugging or fouling of olefin production and recovery e...  
WO/2007/149275A3
A process for deactivating an active catalyst species in an olefin polymer stream exiting a polymerization reactor and neutralizing catalyst residues comprising adding to the olefin polymer stream in a quantity at least sufficient to ina...  
WO/2007/142742A1
This invention relates to the preparation of thermoplastic vulcanizates (TPVs) with unique morphological features, more specifically, this invention relates to a method for preparing TPV compositions wherein the mixing of plastomers and ...  
WO/2007/138257A1
A process which comprises polymerising an olefin monomer in at least one continuous tubular loop reactor of a multiple reactor system, optionally together with an olefin comonomer, in the presence of a polymerisation catalyst in a diluen...  
WO/2007/138936A1
Disclosed is a tape base exhibiting excellent oil resistance, while having flexibility, cuttability by hand and heat resistance in a balanced manner. Also disclosed is an adhesive tape using the tape base. Specifically disclosed is a tap...  
WO/2007/139440A2
The present invention discloses a class of supported metallocene catalyst systems that can be activated without aluminoxane or perfluorophenylborate.  
WO/2007/140114A3
The instant invention is a high-density polyethylene composition, method of making the same, and articles made therefrom. The high-density polyethylene composition of the instant invention includes an ethylene alpha-olefin copolymer havi...  
WO/2007/140114A2
The instant invention is a high-density polyethylene composition, method of making the same, and articles made therefrom. The high-density polyethylene composition of the instant invention includes an ethylene alpha-olefin copolymer havi...  
WO/2007/139439A3
The present invention discloses a class of metallocene catalyst systems suitable for the homogeneous polymerisation of ethylene or alpha olefins that does not require the addition of aluminoxane or perfluorophenylborates as activating ag...  
WO/2007/139439A2
The present invention discloses a class of metallocene catalyst systems suitable for the homogeneous polymerisation of ethylene or alpha olefins that does not require the addition of aluminoxane or perfluorophenylborates as activating ag...  
WO/2007/139440A3
The present invention discloses a class of supported metallocene catalyst systems that can be activated without aluminoxane or perfluorophenylborate.  
WO/2007/139439A8
The present invention discloses a class of metallocene catalyst systems suitable for the homogeneous polymerisation of ethylene or alpha olefins that does not require the addition of aluminoxane or perfluorophenylborates as activating ag...  
WO/2007/135031A1
The invention relates to a method for the continuous production of ethylene copolymers by radical copolymerization of ethylene and at least one comonomer (b), selected from the group including ethylenically unsaturated carboxylic acids, ...  

Matches 701 - 750 out of 13,141