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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.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 ...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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 ...
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,...
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...
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...
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...
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...
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:...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
7977453 Processes for hydrolyzing polyphosphoric acid in shaped articles  
The present invention relates to processes for hydrolyzing polyphosphoric acid in shaped articles.
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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.