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Patent Searching and Data


Matches 751 - 800 out of 13,368

Document Document Title
WO/2009/019169A1
The present invention relates to a process for producing a propylene terpolymer comprising comonomer units derived from ethylene and from one alpha-olefin selected from the group of C4-C8 alpha-olefins and being characterized by a total ...  
WO/2009/009158A3
A process for preparing a functionalized polymer, the steps of the process involving contacting a metathesis catalyst under metathesis conditions with a composition comprising: (a) at least one ethylenically unsaturated polymer character...  
WO/2009/009158A2
A process for preparing a functionalized polymer, the steps of the process involving contacting a metathesis catalyst under metathesis conditions with a composition comprising: (a) at least one ethylenically unsaturated polymer character...  
WO/2009/000637A1
A 1-butene ethylene copolymer having an ethylene derived units content ranging from 15.10 % by molto 18.00 % by mol having the following properties: a) distribution of molecular weight lower than 3; preferably b) hardness shore A (measur...  
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...  

Matches 751 - 800 out of 13,368