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6982302 |
Molding for automobile
An automotive molding, which is excellent in scratching resistance, has high gloss, and is excellent in weathering resistance. The automotive molding of the invention has a part composed of an...
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6977287 |
Propylene diene copolymers
The co-polymerization reaction of one or more olefin monomers, such as propylene, with α,ω-diene units and the resulting copolymers are provided. More specifically, the copolymer may have from 90...
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6974851 |
Halogen- and sulfur-free shaped articles containing peroxide curable compounds of butyl rubber
The present invention relates to a shaped article for high purity applications containing at least one peroxide curable compound containing a substantially gel-free butyl polymer. In another of its...
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6943133 |
Diene functionalized catalyst supports and supported catalyst compositions
The present invention relates to functionalized catalyst supports that are useful in the formation of supported polymerization catalysts, supported catalysts derived from such functionalized...
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6927267 |
High solids dispersion for wide temperature, pressure sensitive adhesive applications
A pressure-sensitive adhesive polymer comprising a reaction product of a C 1 to C 20 alkyl (meth)acrylate, an ethylenically unsaturated carboxylic acid, a C 2 to C 8 hydroxyalkyl...
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6924317 |
Process for producing coarse-particle anion-exchanger gels
The present invention relates to a process for producing monodisperse anion-exchanger gels with high stability, purity and coarse particle size greater than 800 μm starting from a monodisperse...
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6867275 |
Solid media
Solid media useful for a variety of applications, such as separations, catalysis, drug carriers, sensors, and combinatorial chemistry, are disclosed. The solid media are prepared with PNPs having a...
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6864332 |
Process for the gas phase polymerization and copolymerization of olefin monomers
A process for polymerizing monomers in the gas phase, in fluidized bed reactors is described, where unsaturated, gas phase monomers are fed into the reactors in the presence of a mixture of inert...
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6858304 |
Preparation of polyindanebisphenols and polymers derived therefrom
Novel polyindanebisphenols or PIBPs for the preparation of new and improved thermosetting polymers having the general formula of
are provided. Also disclosed are thermoplastic or thermoset...
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6844411 |
Process for the preparation of isoolefin polymers with controlled free-radical curability
The present invention is relates to a process for the preparation of an isoolefin polymer containing repeating units derived from at least one isoolefin, at least one divinyl aromatic monomer and,...
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6841642 |
Processability butyl rubber and process for production thereof
A butyl polymer having improved processability is described, together with a process for production thereof. The butyl polymer derived from a reaction mixture which contains: (i) a monomer mixture...
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6838538 |
Hydrogenated modified polymer, process for producing the same and composition containing the same
An objective of the present invention is to provide a hydrogenated modified polymer which can afford a molded body excellent in improvement in the balance among the impact resistance, the strength,...
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6828397 |
Methods of copolymerizing ethylene and isobutylene and polymers made thereby
New ligands, compositions, metal-ligand complexes and arrays with pyridyl-amine ligands are disclosed that catalyze the polymerization of monomers into polymers. Certain of these catalysts with...
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6825291 |
Thermally polymerized copolymers made from styrene and dicyclopentadiene monomers
A hydrocarbon resin is prepared by (1) thermally polymerizing a mixture consisting essentially of (a) about 5% to 25% by weight styrene or aliphatic or aromatic substituted styrene, and (b) about...
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6809168 |
Articles formed from propylene diene copolymers
The co-polymerization reaction of one or more olefin monomers, such as propylene, with α,ω-diene units and the resulting copolymers are provided. More specifically, the copolymer may have from 90...
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6787623 |
Unconjugated cyclopolyene copolymer, rubber composition, and use
A tire provided with a tire tread made from a rubber composition comprising (A) a random copolymer based on non-conjugated cyclic polyene comprising structural units originated from one or more...
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6784255 |
Rubber composition for extrusion molding and for molding with mold and use thereof
This invention relates to a rubber composition for extrusion and molding comprising 100 weight parts of ethylene/α-olefin/non-conjugated polyene copolymer (A) composed of ethylene, α-olefin...
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6759497 |
Modified polymers with a high proportion of cis-position double bonds
The present invention relates to polymers that are modified along the polymer chain and are based on conjugated dienes or conjugated dienes and vinyl-aromatic compounds having a content of...
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6759481 |
Shape memory styrene copolymer
A shape memory polymer which is a reaction product of styrene, a vinyl compound, a multifunctional crosslinking agent and an initiator. The shape memory polymer has particular application as a...
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6750303 |
Functional organic particles for catalysts supports
Functional polymers containing hydroxyl groups as supports for use with catalysts can increase the activity of these catalysts which results in improved ethylene polymerization. The present...
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6750306 |
Hyperbranched polymers by coordination polymerization
Hyperbranched copolymers comprising at least one C2-C20 α-monoolefin monomers and 0.2 to 20 mole % of at least one α, ω-non-conjugated diene monomers having 5 to 18 carbon atoms are prepared by...
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6740724 |
Ethylene styrene copolymer with isolated styrene
An ethylene styrene copolymer having isolated styrene monomer units separated by 5 or 6 methylene groups as determined by 13 C-NMR may be polymerized in the presence of an activator and a...
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6734297 |
Oligonucleotide labeling reagents
A labeling reagent for use in oligonucleotide (“oligo”) synthesis, as well as a method of preparing such a labeling reagent, a method of using such a reagent for synthesizing a labeled...
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6716931 |
Vulcanized solid rubber
There is provided vulcanized solid rubber, which comprises a vulcanized product of an oil-extended copolymer comprising: (i) 100 parts by weight of an ethylene-α-olefin-non-conjugated diene...
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6696523 |
Hydroxyl group-containing diene rubber
The present invention relates to rubber mixtures containing diene rubber with a concentration of primary hydroxyl groups of 0.1 to 2 wt. % and a glass transition temperature of −120° to −50°...
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6693159 |
Manufacturing porous cross-linked polymer monoliths
Highly cross-linked, maroporous/mesoporous polymer monoliths are prepard using supercritical carbon dioxide (scCO 2 ) as the solvent and porogen for the polymerisation of monomers having more than...
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6686419 |
Multimodal ethylene, alpha-olefin and diene polymers, processes for making and devices comprising such compositions
This invention relates generally to synthetic polymers, generally with improved balance of processability, resilience and durability. These polymers are generally of the ethylene, alpha-olefin,...
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6677417 |
Method for adjusting the particle size of popcorn polymers during popcorn polymerization
The particle size of popcorn polymers is established during the popcorn polymerization by a process in which reaction mixtures forming popcorn polymers and comprising monoethylenically unsaturated...
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6673847 |
Water immiscible porogen removal process
The present invention relates to a method of removing water immiscible porogens from macroreticular copolymers comprising distilling said porogen in water soluble organic solvent.
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6667379 |
Modified copolymer of olefin and cycloolefin
The present invention provides an olefin/cycloolefin/alkylstyrene copolymer which is non-functionalized, functionalized, or grafted. By the functionalization of the benzylic protons of the...
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6660813 |
Solid state metathesis chemistry
An in-situ method for performing organic metathesis polymer chemistry in the solid state includes the step of providing an organic monomer and a catalyst, the catalyst for driving a metathesis...
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6653425 |
High refractive index and high photosensitive optical materials and method for preparing the same
The invention is directed to the preparation of vinyl sulfide compounds of general formula —(—R 1 —S—R 4 C═CR 5 —R 3 —S—) n —(—R 2 —S—R 4 C═CR 5 —R 3 —S—) m , where...
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6649708 |
Process for producing polymer particles
To provide a process for producing polymer particles which are spherical and have smooth surfaces and small contents of oil- and the solvent-soluble at the time of being compounded. Polymer...
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6646025 |
Lithographic printing method
The present invention provides a process of printing using a single fluid lithographic printing ink that includes a continuous phase and a discontinuous polyol phase.
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6646082 |
Corrosion inhibiting compositions
A new class of polymeric corrosion inhibiting compositions incorporating pendant heterocyclic groups which are surprisingly effective copper corrosion inhibitors are disclosed. The polymers form a...
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6638995 |
Printing inks
The present invention provides compositions of and methods employing printing inks employing novel vinyl resins that are prepared using polyfunctional monomers, wherein the vinyl resins have low...
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6627720 |
Hyperbranched polymers
A method is provided for producing hyperbranched polymers comprising heating a polymerizable reaction charge comprising (a) a monomer mixture comprising 50-99.1% by weight of at least one...
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6627714 |
Method for producing an olefin type copolymer having a cyclic structure
An olefinic copolymer having a cyclic structure is prepared by copolymerizing a) ethylene (M1) and b) dicyclopentadiene or tricyclopentadiene (M2), and, optionally c) a cyclic olefin (M3), in the...
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6602928 |
Packing material and cartridge for solid phase extraction
A packing material for solid phase extraction, which is a particle having an exclusion limit molecular weight of 1×10 3 to 1.5×10 4 in gel permeation chromatography using a standard polystyrene...
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6593429 |
Polymer having combined linear and nonlinear structure and its preparing method
A combined linear and nonlinear polymer (i.e., having a combined linear, branched and radial structure) P+PnD according to the present invention is represented by (P+PnD) −+ Li, where P is a...
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6583082 |
Functional organic particles for catalyst supports
Functional polymers containing hydroxyl groups as supports for use with catalysts can increase the activity of these catalysts which results in improved ethylene polymerization. The present...
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6579961 |
Ethylene styrene interpolymers with double reverse styrene incorporation
Novel ethylene styrene interpolymers having triads with double reverse styrene incorporation (S SS ) may be prepared in the presence of a transition metal phosphinimine compound and an activator.
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6569911 |
Manufacturing method and article produced by the method
A method of manufacturing a support media from a cross-linked polymerisate based on vinyl compounds, and exhibiting residual vinyl groups. The characteristic feature of the method is that the...
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6555632 |
Process for the preparation of a catalytic system, process for the (CO)polymerization of olefins and (CO)polymers of at least one olefin
Process for the preparation of a catalytic system according to which a mixture of a halogenated neutral metallocene derived from a transition metal chosen from groups IIIB, IVB, VB and VIB of the...
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6533823 |
Dye composition for keratinous fibers
Provided is a dye composition for keratinous fibers, which comprises (A) a hydrolyzate of a lower alkyl vinyl ether/maleic anhydride copolymer partially crosslinked with a terminal unsaturated...
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6534611 |
Cycloaddition functional polymers from (vinyl) polystyrene
A functional polymer having active and stable functional groups useful for separation or reactive processes in chemical manufacture or analysis is disclosed. The polymer comprises repeat units...
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6528606 |
Preparation of a stable composition of radically copolymerisable monomers which contains at least one monomer having urea function(s)
Disclosed is a method of preparing a stable composition of radically copolymerizable monomers, said composition containing firstly at least one monomer which has at least one urea function in its...
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6525156 |
Styrene-containing popcorn polymers, method for producing same and utilisation
Insoluble, only slightly swellable popcorn polymers containing a) from 50 to 99% by weight of styrene and/or at least one monounsaturated styrene derivative, b) from 0.1 to 40% by weight of at...
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6515089 |
Trace metal measuring method
Provided are a method, upon radical copolymerization of a vinyl-containing porphyrin compound and a radically polymerizable monomer, thereby obtaining a porphyrin-nucleus introduced polymer, of...
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6509431 |
Terpolymers
The invention relates to alteration of a linear low density polyethylene which is ordinarily free of long chain branching to introduce long chain branching into the polymer.
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