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Patent Searching and Data


Matches 651 - 700 out of 13,141

Document Document Title
WO/2008/152933A1
Disclosed is a thermoplastic elastomer composition containing 10-60 parts by weight of a non-crosslinkable crystalline polyolefin resin (A), 1-30 parts by weight of a specific propylene 1-butene random copolymer (B) and 89-10 parts by we...  
WO/2008/151794A1
The present invention relates to a process for the production of propylene copolymers wherein in a first step an olefin polymerisation catalyst comprising a solid catalyst component is subjected to a prepolymerisation reaction in a prepo...  
WO/2008/152935A1
Disclosed are a novel ethylene/α-olefin copolymer having excellent crosslinking characteristics; an expansion molded body having low specific gravity and low compression set (CS), a composition which enables to obtain such an expansion ...  
WO/2008/142130A1
Catalyst system comprising (a) a procatalyst composition comprising (i) a transition metal compound of Group 4 to 6 of the Periodic table (IUPAC, Nomenclature of Inorganic Chemistry, 1989), (i) M9Cl2 and (ii) an internal donor, wherein (...  
WO/2008/142122A1
A polypropylene copolymer comprising monomer units of propylene and at least one other α-olefin as a comonomer, wherein (a) the weight ratio of the α-olefin to the sum of monomers present in said polypropylene copolymer (α-olefin/(α-...  
WO/2008/144120A1
In a process for producing an elastomer composition, ethylene, at least one alpha-olefin, and at least one diene is contacted with a catalyst system comprising at least one metallocene catalyst compound and a non-coordinating anion activ...  
WO/2008/142019A1
A propylene polymer composition having a Flexural modulus lower than 500MPa, a total ethylene content from 9 to 30% by weight, a xylene soluble fraction at room temperature higher than 25% by weight, a melting temperature measured by DSC...  
WO/2008/141934A1
A process for the preparation of a propylene copolymer composition having a Flexural modulus lower than 500MPa, a total ethylene content higher than 9% and a Xylene soluble fraction at room temperature higher than 20% comprising at least...  
WO/2008/140280A2
The present invention relates to an ethylene-alpha olefin copolymer comprising long chain branches (LCB), while having a narrow molecular weight distribution. The ethylene-alpha olefin copolymer can be prepared by a continuous solution p...  
WO/2008/140280A3
The present invention relates to an ethylene-alpha olefin copolymer comprising long chain branches (LCB), while having a narrow molecular weight distribution. The ethylene-alpha olefin copolymer can be prepared by a continuous solution p...  
WO/2008/140468A3
Described are methods of making organic compounds by metathesis chemistry. The methods of the invention are particularly useful for making industrially-important organic compounds beginning with starting compositions derived from renewab...  
WO/2008/140835A8
Disclosed herein is a polymer composition, its manufacture and use, said composition may comprise greater than about 90 mole % propylene monomer, and having a unique combination of properties, including one or more of the following: a he...  
WO/2008/140835A1
Disclosed herein is a polymer composition, its manufacture and use, said composition may comprise greater than about 90 mole % propylene monomer, and having a unique combination of properties, including one or more of the following: a he...  
WO/2008/140205A1
The present invention relates to an ethylene α-olefin copolymer having a narrower molecular weight distribution, and a uniform distribution of comonomer. The ethylene α-olefin copolymer according to the present invention has a uniform ...  
WO/2008/132035A1
Butene-1 terpolymers having -a content of propylene derived units of 0.5-13 %mol, and -a content of ethylene derived units of1-3 %mol, -a ratio C3/C2 of the content of propylene and ethylene derived units is of from 1 to 10, said butene-...  
WO/2008/125208A2
The invention relates to a bimodal or multimodal polyethylene which comprises ethylene homopolymers and/or copolymers of ethylene with α-olefins, has a polydispersity index Mw/Mn of the low molecular weight component of less than 10 and...  
WO/2008/125208A3
The invention relates to a bimodal or multimodal polyethylene which comprises ethylene homopolymers and/or copolymers of ethylene with α-olefins, has a polydispersity index Mw/Mn of the low molecular weight component of less than 10 and...  
WO/2008/123526A1
Disclosed is a super high molecular weight ethylene-α-olefin copolymer powder having a limiting viscosity of not less than 5 dl/g, a DSC melting point of not more than 122˚C, an apparent bulk density of not less than 0.30 g/cm3 and a f...  
WO/2008/122445A1
The present invention concerns a propylene copolymer composition, a molded article comprising the composition and the use of the propylene copolymer composition for preparing molded articles, preferably pipes.  
WO/2008/123993A1
At least partially neutralized chlorosulfonated ethylene/alpha-olefin elastomers containing 0.5-10 weight percent chlorine and 0.25 to 5 weight percent sulfur are prepared from ethylene/alpha-olefin copolymer base resins having a ratio o...  
WO/2008/123988A1
Chlorosulfonated propylene/olefin elastomers containing 0.5 55 weight percent chlorine and 0.15 to 5 weight percent sulfur are prepared from metallocene catalyzed propylene/olefin copolymer base resins having a ratio of Mw/Mn less than 3...  
WO/2008/123991A1
Partially neutralized chlorosulfonated polyolefin elastomers containing 0.5 10 weight percent chlorine and 0.25 to 5 weight percent sulfur are prepared from polyolefin elastomer base resins selected from the group consisting of propylene...  
WO/2008/120912A1
The present invention provides a copolymer that includes at least one alkene monomer, at least one acrylate monomer and at least one the unsaturated organic acid monomer having one or more double bonds, and a method of manufacturing the ...  
WO/2008/118576A1
The disclosure provides for a process and polymerization system to produce isoolefin polymers (72) utilizing polymorphogenates (16, 26) in the catalyst system to control polydispersity (MWD). The disclosure also provides a catalyst syste...  
WO/2008/111638A1
Disclosed is a method for producing a butene-ethylene copolymer, which comprises copolymerization of 1-butene and ethylene in the presence of an olefin polymerization catalyst which contains a transition metal complex represented by the ...  
WO/2008/099865A1
Disclosed are: a propylene polymer (A) which can exhibit a desired initial adhesion when used as an adhesive agent and adhered on an article, which causes any contamination in the article, and which can be subjected to a pellet handling ...  
WO/2008/095945A1
The present invention relates to processes 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/2008/095687A1
The invention relates to an elastomeric compound comprising at least one olefinic elastomer comprising ethylene, an α-olefin, from 1 to 7 wt% vinyl norbornene and from 0 to 15 wt% of a second non-conjugated polyene, wherein the wt% are ...  
WO/2008/097422A3
The invention generally provides for methods for controlling polymer properties. In particular, invention provides for methods for controlling the comonomer composition distribution of polyolefins such as ethylene alpha-olefin copolymers...  
WO/2008/092736A1
Monomodal copolymers of ethylene and molding compositions comprising such copolymers, wherein the copolymers have a density determined according to DIN EN ISO 1183-1, variant A in the range from 0.938 to 0.944 g/cm3, a melt index MFR2 1 ...  
WO/2008/090152A1
The invention relates to a method for producing copolymers of vinylphosphonic acid comprising at least one monoethylenically or conjugated diethylenically unsaturated monomer which has a water solubility of less than 50 g/l at 25°C, sai...  
WO/2008/083779A1
The present invention relates to a method for preparing an unsaturated ethylene -diene copolymer by high pressure radical- initiated polymerisation, said method providing an improved conversion of added diene into pendant vinyl groups.  
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...  

Matches 651 - 700 out of 13,141