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8183337 |
Method of purifying ethylene vinyl alcohol copolymers for use with implantable medical devices
Methods for the purification of ethylene vinyl alcohol copolymers are provided.
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8183336 |
Poly (arylene sulfide)
In a process for producing a poly(arylene sulfide) by polymerizing a sulfur source and a dihalo-aromatic compound in the presence of an alkali metal hydroxide in an organic amide solvent, the...
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8168744 |
Polyimide film for molding, its manufacturing method and molding product
To provide a polyimide film for molding that is light and has excellent surface smoothness, safety, moldability, heat resistance, and handleability and thus can be used as the reflector base...
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8163849 |
Process of producing polylactic acid
It is an object of the present invention to produce a polylactic acid having a high molecular weight such as a weight average molecular weight (Mw) of more than 100,000 from which only a...
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8158260 |
Molding method and molded article of fluoropolymer with multilayered particulate structure
A fluoropolymer molding method and the resulting molded article are disclosed where the fluoropolymer is composed of fluoropolymer particles each having a multi-layer structure that consists of at...
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8158743 |
Rosin phenolic resins for printing inks
Rosin modified phenolic resins are prepared by reacting together rosin, fatty acid, phenol and aldehyde. The fatty acid may be Monomer (derived from the fatty acid dimerization process). The...
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8148491 |
Preparation of polytrimthylene ether glycol or copolymers thereof
This invention relates to a process for preparing polytrimethylene ether glycols or copolymers thereof by a polycondensation reaction using at least one acid catalyst, wherein the temperature of...
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8143371 |
Preparation of polytrimethylene ether glycol or copolymers thereof
This invention relates to a process for preparing polytrimethylene ether glycols or copolymers thereof having a number-average molecular weight of at least about 250 g/mole by a polycondensation...
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8129498 |
Polymeric medium
A PBI compound includes imidazole nitrogens at least a portion of which are substituted with a moiety containing a carbonyl group, the substituted imidazole nitrogens being bonded to carbon of the...
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8124718 |
Aminoplast resin of high performance for lignocellulosic materials
A process for preparing an aqueous aminoplastic urea-formaldehyde resin suitable for use in bonding lignocellulosic materials, which provides products of very low formaldehyde emission while...
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8110704 |
Process for the production of stable polymers
Stable NCO prepolymers are produced from polyisocyanates having a melting point greater than 70° C., preferably, naphthalene diisocyanate, having advantageous physical properties. An important ...
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8106104 |
Method for processing and analyzing contaminated mixed waste plastics to produce reformulated, blended feed materials having a desired plastic content
A method for reformulating reclaimed, contaminated mixed waste plastics into useful articles wherein a plurality of batches of the mixed waste plastics are preprocessed to produce substantially...
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8106103 |
Method for processing and analyzing contaminated mixed waste plastics to produce reformulated, blended feed materials having a desired color
A method for reformulating reclaimed, contaminated mixed waste plastics into useful articles wherein a plurality of batches of the mixed waste plastics are preprocessed to produce substantially...
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8101100 |
Method for processing and analyzing contaminated mixed waste plastics to produce reformulated, blended feed materials having a target density
A method for reformulating reclaimed, contaminated mixed waste plastics into useful articles wherein a plurality of batches of the mixed waste plastics are preprocessed to produce substantially...
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8101711 |
Process to modify polymeric materials and resulting compositions
Disclosed is a method for modifying a polymer by carrying out a thermally-induced reaction in a mixing apparatus having a high shear environment and devolatilization capabilities. Also disclosed...
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8097696 |
Method for preparing multi-arm poly(ethylene glycol) chlorides
A method for preparing multi-arm poly(ethylene glycol) (PEG) chlorides from multi-arm PEG polyols is described. The method comprises a process, wherein the multi-arm PEG polyol is reacted with...
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8093350 |
Coordination polymer crystal with porous metal-organic frameworks and preparation method thereof
Disclosed is a coordination polymer crystal with porous metal-organic frameworks (MOFs), in which, while a crystal state of the coordination polymer crystal is maintained, an additional material...
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8088885 |
Method and installation for increasing the intrinsic viscosity of polyester material by solid phase polycondensation
An installation for increasing the intrinsic viscosity of a polyester material by solid phase polycondensation (SSP) comprises a heatable reaction container (2, 2′) in which the polyester m...
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8088881 |
Storage stable melamine-urea-formaldehyde resins and applications thereof
Melamine-urea-formaldehyde resins may be prepared using processes including a first cook stage, a second cook stage, and a final addition wherein: the molar ratio of formaldehyde to urea and...
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8080196 |
Method and apparatus to achieve crystallization of polymers utilizing multiple processing systems
A continuous process wherein polymers or polymeric materials can be subjected to multiple sequential processing systems of differing temperatures and process conditions to synergistically enhance...
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8080191 |
Extrudable polyethylene terephthalate blend
A polymer blend has a base and blend components. The base and blend components could be a branched slow crystallizing PET and a faster crystallizing PET, respectively. The ratio of base and blend...
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8076447 |
Poly (arylene sulfide) and production process thereof
A poly(arylene sulfide) having properties that a melt viscosity is 1 to 3,000 Pa·s as measured under conditions of a temperature of 310° C. and a shear rate of 1,216 sec−1, a pH is 7.0 to 12.0 as ...
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8063176 |
Method and device for the crystallization of polyester material
A method for the manufacture of crystallized polyesters with or without subsequent solid state polycondensation for the manufacture of bottles, foils, films and technical high-performance fibres,...
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8063174 |
Polybenzimidazole compounds
A PBI compound includes imidazole nitrogens at least a portion of which are substituted with a moiety containing a carbonyl group, the substituted imidazole nitrogens being bonded to carbon of the...
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8044107 |
Method of producing an embedded recycled container sheet
A method of producing an embedded recycled container sheet includes: (a) providing a plurality of empty recycled plastic containers; (b) flattening the plurality of empty recycled plastic...
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8039520 |
Electrolyte membrane comprising nanocomposite ion complex, manufacturing method thereof, and fuel cell including the same
An electrolyte membrane includes a nanocomposite ion complex that is a reaction product of a nanocomposite with a basic polymer. The nanocomposite includes a polymer having a sulfonic acid group...
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8039581 |
Thermal crystallization of a molten polyester polymer in a fluid
A process for crystallizing a polyester polymer by introducing a molten polyester polymer, such as a polyethylene terephthalate polymer, into a liquid medium at a liquid medium temperature greater...
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8039577 |
Polyester polymer and copolymer compositions containing titanium nitride particles
Polyester compositions are disclosed that include polyester polymers or copolymers having incorporated therein titanium nitride particles that provide one or more of the following advantages:...
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8025158 |
High molecular weight poly(2,6-dimethyl-1,4-phenylene ether) and process therefor
A poly(2,6-dimethyl-1,4-phenylene ether) having a high molecular weight and a reduced content of low molecular weight species can be prepared by a method that includes specific conditions for the...
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8022165 |
Catalytic process for the phosphonylation of high-temperature polymers
Process for preparing polymeric aromatic phosphonates and also polymeric aromatic phosphonates which can be prepared by the process of the invention and blends comprising these polymeric aromatic...
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8022168 |
Spheroidal polyester polymer particles
Spheroidal polyester polymer particles, as well as preforms and stretch blow molded bottles made from the spheroidal particles, are provided which have: A) an It.V. of at least 0.72 dL/g, and...
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8013027 |
Embedded container sheet basket
A basket is made from embedded recycled container sheet. The basket includes: a side wall and a bottom, the side wall and the bottom being connected to one another in the shape of a basket with an...
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8012541 |
Thermally reversible cross-linked poly (aryl ether ketone) media and method for high density data storage
A method of storing information. The method including: applying a layer of one or more poly(aryl ether ketone) copolymers to a substrate and thermally curing the layer to form a resin layer, each...
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8013028 |
Embedded recycled container sheet binder
An embedded recycled container sheet binder includes a front cover and a back cover, the front cover and the back cover being connected to one another for opening and closing, at least one of the...
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7994275 |
Method for extruding polymers
The disclosure defined by this invention provides a method for extruding thermoplastic polymers which includes the step of creating high pressure steam in the extruding apparatus so as to prevent...
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7994268 |
Cardanol based dimers and uses therefor
Cardanol based dimers are provided. The cardanol dimers are formed by hydrosilylation with silanes. Cardanol based dimers may be further reacted to form epoxy curing agents and epoxies which can be...
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7985778 |
Method for decomposing and reclaiming synthetic resin having ester bond in the composition structure
Synthetic resin containing ester bond is subjected to hydrolysis treatment to reclaim raw material component before polymerization. Method for decomposing and reclaiming synthetic resin having...
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7977448 |
Method for producing highly condensed solid-phase polyesters
The invention relates to a continuous or discontinuous method for the production of highly condensed polyesters in the solid state, comprising a crystallization of a polyester material, wherein the...
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7977453 |
Processes for hydrolyzing polyphosphoric acid in shaped articles
The present invention relates to processes for hydrolyzing polyphosphoric acid in shaped articles.
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7977433 |
Fluororubber composition and production method of cross-linked fluororubber product
A fluororubber composition including a polyol-crosslinkable fluororubber; a cross-linking accelerator comprising a quaternary ammonium salt; and a polyol crosslinking agent; wherein the weight...
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7968022 |
Method for processing and analyzing contaminated mixed waste plastics to produce reformulated blended feed materials having a desired rheology
A method for reformulating reclaimed, contaminated mixed waste plastics into useful articles wherein a plurality of batches of the mixed waste plastics are preprocessed to produce substantially...
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7964699 |
Polymer stream transfer
Process for heating a polymer-containing stream being transferred from a polymerization reactor to a degassing vessel operating at a pressure between 6 bara and 12 bara. The process includes...
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7960490 |
Process for preparing color-stable water-absorbing polymer particles with a low degree of neutralization
The present invention relates to a process for producing water-absorbing polymeric particles by polymerizing a monomer solution comprising at least one ethylenically unsaturated acid-functional...
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7959807 |
Method for recovering useful components from dyed polyester fiber
To establish an efficient and economical useful component recovery method capable of recovering high purity useful components from a dyed polyester fiber. A method for recovering useful components...
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7956156 |
Method for the removal of isobutene oligomers from an isobutene polymer
A process is described for removing isobutene oligomers from an isobutene polymer by stripping the isobutene polymer with vapors of a saturated hydrocarbon having at least 8 carbon atoms and at...
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7943724 |
Process for preparing diaminodiphenylmethanes
Process for preparing diamino diphenyl methane and poly-(diamino diphenyl methane) comprising reacting aniline with formaldehyde in the presence of hydrogen chloride added in the gaseous form...
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7943676 |
Method of recycling waste plastic foam materials
A method of recycling waste plastic foam materials firstly is to smash a waste material including polyurethane foam into fine particles so as to obtain a first starting material. The first starting...
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7935783 |
Polystyrene processing apparatus and method
A method and apparatus for processing polystyrene. The method includes the steps: using at least one scrapped surface heat exchanger (160) to heat a solution of polystyrene dissolved in an organic...
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7935736 |
Method for recycling polyesters or polyester mixtures from polyester-containing waste
The invention relates to a method for recycling polyesters or polyester mixtures from polyester-containing waste, in which the polyester or the polyester mixture is dissolved in a solvent and...
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7906615 |
Process for hydrolyzing polyphosphoric acid in a spun yarn
The present invention relates to processes for hydrolyzing polyphosphoric acid in a fiber and the removal of hydrolyzed polyphosphoric acid from the fiber.
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