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Patent Searching and Data


Matches 701 - 750 out of 13,154

Document Document Title
WO/2008/083822A1
The present invention relates to a crosslinkable polymer composition comprising an unsaturated polyolefin having a total amount of carbon-carbon double bonds/1000 carbon atoms of at least 0.38, and at least one crosslinking agent being a...  
WO/2008/079886A1
A process for the preparation of a fluoroolefin polymer, including the step of: contacting in a reaction zone: an initiator; CF3CF=CH2, and optionally, at least one ethylenically unsaturated comonomer capable of copolymerizing therewith;...  
WO/2008/077829A1
The present invention relates to a process for preparing a phosphorus-containing polymer, comprising the steps of (i) copolymerizing at least (a) monoethylenically unsaturated dicarboxylic anhydrides having from 4 to 6 carbon atoms with ...  
WO/2008/074689A1
Novel copolymers of ethylene and alpha-olefins are provided having (a) a density in the range 0.900 - 0.940 g/cm3, (b) a melt index MI2 (2.16 kg, 190°C) in the range of 0.01 - 50 g/10 min, (c) a molecular weight distribution (Mw/Mn) in ...  
WO/2008/074699A1
Terpolymer of propylene, ethylene and C4 to C8α-olefin with good barrier properties and processing properties, wherein the amount of propylene in said terpolymer is at least 94wt.-% and the melting temperature of said terpolymer is more...  
WO/2008/074423A1
The present invention relates to a heterophasic polypropylene composition with a high melt flow rate for processability, a good stiffness and an improved compression performance. These compositions may be employed for the production of m...  
WO/2008/072789A1
Disclosed is an ethylene-propylene copolymer having the structural characteristics shown below. Also disclosed is a polypropylene resin composition comprising the copolymer and a polypropylene having a melting temperature of 160°C or hi...  
WO/2008/068897A1
A cyclic olefin polymer composition comprising: [A] a specific cyclic olefin polymer having a softening temperature (TMA) of 120 to 300°C; and [B] a specific cyclic olefin polymer having a glass transition temperature (Tg) of 50°C or l...  
WO/2008/069278A1
Disclosed is an ethylene/tetrafluoroethylene copolymer having excellent heat resistance. Also disclosed is a method for producing such an ethylene/tetrafluoroethylene copolymer. An ethylene/tetrafluoroethylene copolymer is produced by po...  
WO/2008/068148A2
A method for the preparation of copolymers of ethylene and α-olefins having a fraction (%) of the molecular weight component of > 1,000,000 of less than 6 % comprises polymerising ethylene and an α-olefin in the presence of a supported...  
WO/2008/068148A3
A method for the preparation of copolymers of ethylene and α-olefins having a fraction (%) of the molecular weight component of > 1,000,000 of less than 6 % comprises polymerising ethylene and an α-olefin in the presence of a supported...  
WO/2008/059055A1
The invention relates to the use of polymers, comprising the following polymerised groups: an α-olefin, at least one alkenyl ester and at least one ester of an α,β-unsaturated carboxylic acid with higher alcohols, as additive for fuel...  
WO/2008/058921A1
Method for producing mouldings by using at least one release agent, which comprises as components: (A) 5 to 40% by weight of at least one ethylene copolymer with a kinematic melt viscosity in the range from 20 to 70,000 mm2/s, made up of...  
WO2007070121A8
A process for improving the melt characteristics of polyethylene resins is provided. The process involves contacting a polyethylene resin powder with a low level of free radical initiator at a temperature below the melting point of the r...  
WO/2008/052673A1
Process for the polymerization of olefins in the presence of at least one catalyst comprising an organic transition metal complex, wherein the comonomer incorporation behavior of the catalyst is controlled by addition of one or more auxi...  
WO/2008/048364A2
The present invention provides a method for simplifying manufacture of a mixed alcohol or mixed oxygenate product from synthesis gas. The mixed alcohol or mixed oxygenate product contains ethanol and other oxygenates with two or more car...  
WO/2008/047878A1
Disclosed are: a lubricating oil composition having excellent low-temperature properties; a lubricating oil viscosity modifier which is intended to be contained in the lubricating oil composition; and a specific copolymer which constitut...  
WO/2008/048364A3
The present invention provides a method for simplifying manufacture of a mixed alcohol or mixed oxygenate product from synthesis gas. The mixed alcohol or mixed oxygenate product contains ethanol and other oxygenates with two or more car...  
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...  

Matches 701 - 750 out of 13,154