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| Number | Title | Issue Date |
| 8124717 | Morpholine-substituted poly(arylene ether) and method for the preparation thereof A poly(2,6-dimethyl-1,4-phenylene ether) prepared using a morpholine-containing polymerization catalyst has a monomodal molecular weight distribution with a reduced content of very high molecular weight species. It also exhibits increased morpholine incorporation in... | 02/28/2012 |
| 7718756 | Brominated flame retardant A process for preparing a polybromoaryl ether, comprising adding to a solvent for the polybromoaryl ether a mixture of (1) at least one compound of the structure HO—Ar—X1, X2, X3, X4, X5, wherein Ar is an ar... | 05/18/2010 |
| 7550551 | Brominated flame retardant A process for preparing a polybromoaryl ether comprising adding to a solvent for the polybromoaryl ether a mixture of (1) at least one compound of the structure HO—Ar—X1, X2, X3, X4, X5, wherein Ar is an ary... | 06/23/2009 |
| 7491789 | Disulfide-containing phenolic resin as curing agent for epoxy resin The present invention discloses a sulfur-containing phenolic resin which comprises an organic group represented by the following formula (1): —R1—S—R2—S—R1— (1) wherein R | 02/17/2009 |
| 7344657 | Aromatic liquid-crystalline polyester composition and film of the same An aromatic liquid-crystalline polyester composition is provided, which comprises at least one compound selected from an aliphatic carboxylate aryl ester and an aromatic carboxylic anhydride; an aromatic liquid-crystalline polyester; and a solvent containing at leas... | 03/18/2008 |
| 7282554 | Low molecular weight polyphenylene ether A low molecular weight polyphenylene ether having a reduced viscosity of 0.04 to 0.18 dl/g as measured at 30° C. in a 0.5 g/dl chloroform solution, and a molecular weight distribution of 1.5 to 2.5; or a low molecular weight polyphenylene ether powder comprising th... | 10/16/2007 |
| 7235192 | Capped poly(arylene ether) composition and method A method of preparing a capped poly(arylene ether) resin includes reacting a capping agent with a blend of two or more poly(arylene ether) resins having different intrinsic viscosities. Cured compositions prepared from these capped poly(arylene ether) resins exhibit... | 06/26/2007 |
| 7205377 | Method for the preparation of a poly(arylene ether), and related compositions A method for preparing a poly(arylene ether) with a reduced level of powder fines is described. In one embodiment, the method comprises oxidatively coupling a monohydric phenol in the presence of a solvent and a complex metal catalyst, to produce a poly(arylene ethe... | 04/17/2007 |
| 7165881 | Methods and apparatus for high-shear mixing and reacting of materials Methods and apparatus for high shear reacting and/or mixing of moving fluid streams of materials employ an interdiffusing and reacting zone formed in the space between two stationary surfaces, the surfaces being spaced apart a maximum distance of the sum of the thic... | 01/23/2007 |
| 7098360 | Processes employing multiple successive chemical reaction process steps and apparatus therefore The invention provides processes and apparatus for the production of materials requiring a plurality of chemical reaction steps. In the prior art the number of reaction vessels is minimized by performing two or more reactions together in the same vessel. Instead eac... | 08/29/2006 |
| 7087704 | Method for manufacturing thermotropic liquid-crystalline polymer It is an object of the present invention to manufacture high quality thermotropic liquid-crystalline polymer generating no low boiling gas and inducing no discoloration resulted from thermal degradation at high yield. To manufacture a liquid-crystalline polymer havi... | 08/08/2006 |
| 7071290 | Polymers and oligomers, their synthesis, and electronic devices incorporating same The invention relates to polymers and oligomers, methods of their synthesis, and electronic devices comprising them. ... | 07/04/2006 |
| 7063892 | Aromatic liquid-crystalline polyester and film thereof An aromatic liquid-crystalline polyester having a small dielectric loss in a wide frequency region is provided. An aromatic liquid-crystalline polyester is provided that can manufacture a film having a small volume expansion by heating. An aromatic liquid-crystallin... | 06/20/2006 |
| 7060781 | 2,6-dimethyphenol composition A 2,6-dimethylphenol composition having an m-cresol content of from 15 to 700 ppm on a weight basis has effects of drastically improving polymerization activity and particularly, improving the color tone of polyphenylene ethers. Therefore, the composition makes it p... | 06/13/2006 |
| 7049388 | Process for manufacturing an α-dihydroxy derivative and epoxy resins prepared therefrom A process for manufacturing an α-dihydroxy derivative from an aryl allyl ether wherein such α-dihydroxy derivative can be used to prepare an α-halohydrin intermediate and an epoxy resin prepared therefrom including epoxidizing an α-halohydrin intermediate produc... | 05/23/2006 |
| 7034100 | Heterogeneous reaction method for preparing functionalized polyanilines The present invention is related to the functionalized polyanilines and also to a method for making said functionalized polyanilines. More particularly, a preferred embodiment of the method of the present invention comprises the steps of: ... | 04/25/2006 |
| 6998056 | Process and device for aerating a liquid with gas Apparatus and process for aerating a liquid with gas, the apparatus comprising a pressure vessel including a lower section containing the liquid and an upper section containing a volume of the gas. A pressure connection in the upper section of the pressure vessel ad... | 02/14/2006 |
| 6994330 | Process for high shear gas-liquid reactions A reactor produces a gas-in-liquid emulsion for providing increased interfacial contact area between the liquid and the gas for improved reaction of the gas with the liquid, or more rapid solution or reaction of a difficulty to dissolve or immiscible gas in or with ... | 02/07/2006 |
| 6992166 | Phenolic resin and method of producing the same A phenolic resin obtainable by reacting a dihydroxy compound of the following formula (1) with a phenolic compound, wherein the dihydroxy compound is partially dehydrated. ... | 01/31/2006 |
| 6984712 | Liquid-crystal polyester resin The present invention provides a liquid-crystalline polyester resin which comprises monomer units derived from 2-hydroxy-3-naphthoic acid and/or 2-hydroxynaphthalene-3,6-dicarboxylic acid in an amount of 1-5000 mmol % based on the total monomer components of the res... | 01/10/2006 |
| 6969755 | Ion-exchange polymers Ion-Exchange polymers for a polymer electrolyte membrane include a moiety of formula (I), and/or a moiety of formula (II), and/or a moiety of formula (III) wherein at least some of the units I, II and/or III are sulphonated; wherein the phenyl moieties in units I, I... | 11/29/2005 |
| 6956100 | Polyamide resin-containing varnish and its use An object of the present invention is to provide a polyamide resin composition from which the solvent is easily removed during film formation and which gives a film or adhesive layer reduced in residual solvent content. It is suitable for use especially as vanish. T... | 10/18/2005 |
| 6938687 | Apparatus for transfer of heat energy between a body surface and heat transfer fluid In apparatus for heat exchange to and from a body surface using a heat transfer liquid a heat exchanger comprises a plurality of elements within a casing connected axially against one another with spacer tube elements. Each element has its periphery spaced from the ... | 09/06/2005 |
| 6913792 | Hybrid materials employing PPE/polystyrene/curable epoxy mixtures A curable melt blended composition and a method of making the composition by melt blending a thermoplastic polymer comprising polyphenylene ether (PPE) polymer and a polystyrene polymer, preferably high impact polystyrene (HIPS), and optionally a compatiblizer, with... | 07/05/2005 |
| 6906166 | Polymers and oligomers, their synthesis, and electronic devices incorporating same The invention relates to polymers and oligomers, methods of their synthesis, and electronic devices comprising them. ... | 06/14/2005 |
| 6906120 | Poly(arylene ether) adhesive compositions An adhesive for thermoplastic film is formed from a composition comprising a blend of a poly(arylene ether), a thermosetting resin, a toughening agent, an optional plasticizer, and a cure agent. The adhesive finds particular utility in circuit board applications. | 06/14/2005 |
| 6905637 | Electrically conductive thermoset composition, method for the preparation thereof, and articles derived therefrom A conductive thermosetting composition comprises a functionalized poly(arylene ether), and alkenyl aromatic monomer, an acryloyl monomer, and a conductive agent. After curing, the composition exhibits good stiffness, toughness, heat resistance, and conductivity, and... | 06/14/2005 |
| 6903180 | Epoxy resins, process for preparation thereof, epoxy resin compositions and cured articles This invention relates to novel epoxy resins and epoxy resin compositions comprising said epoxy resins or cured articles thereof. The cured articles have excellent properties in respect to flame retardance, adhesiveness, moisture resistance and heat resistance and c... | 06/07/2005 |
| 6890988 | Aromatic polyester The present invention provides an aromatic polyester which is obtained by condensation polymerization reaction of terephthalic acid, 2,6-naphthalenedicarboxylic acid and acylated product obtained by acylation of parahydroxybenzoic acid and hydroquinone with fatty ac... | 05/10/2005 |
| 6887306 | 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 reaction mixture may optionally include α,β-olefinically unsaturated carb... | 05/03/2005 |
| 6881811 | Fluorinated aromatic polymer and use thereof To provide a fluorinated aromatic polymer having excellent heat resistance and a low relative permittivity; and an insulating film for electronic devices and an insulating film for multilayered wiring boards, which are made of the polymer. A fluorinated aromatic pol... | 04/19/2005 |
| 6835785 | Polyphenylene ether oligomer compound, derivatives thereof and use thereof The present invention provides a bifunctional phenylene ether oligomer compound having a thermosetting functional group at each terminal, an epoxy resin containing the above oligomer compound and a use thereof. That is, it provides a sealing epoxy resin composition ... | 12/28/2004 |
| 6828353 | Ion-exchange polymers Ion-Exchange polymers for a polymer electrolyte membrane include a moiety of formula (I), and/or a moiety of formula (II), and/or a moiety of formula (III) wherein at least some of the units I, II and/or III are sulphonated. The phenyl moieties in units I, II, and I... | 12/07/2004 |
| 6783827 | Method or decreasing the cyclic oligomer content in polyester product The present invention relates to a method for decreasing the cyclic oligomer content level in the manufacturing process of polyethylene terephthalate (PET) and in the PET products produced from said process by adding calcium phosphate at least one selected from the ... | 08/31/2004 |
| 6777532 | Polymers and oligomers, their synthesis, and electronic devices incorporating same The invention relates to polymers and oligomers, methods of their synthesis, and electronic devices comprising them. ... | 08/17/2004 |
| 6774203 | Method for producing liquid crystalline polyester The present invention provides a method for producing a liquid crystalline polyester which is produced from an aromatic carboxylic acid, an aromatic hydroxycarboxylic acid, an aromatic diol and/or an aromatic hydroxylamine, including a polymerization step (1) for pr... | 08/10/2004 |
| 6759104 | Photocurable composition, cured product and process for producing the same A photocurable composition, wherein a small amount of an alicyclic skeleton-containing mono(meth) acrylate is incorporated in a combination of an alicyclic skeleton-containing bis(meth)acrylate and a mercapto compound, a cured product obtained by the copolymerizatio... | 07/06/2004 |
| 6689920 | Bifunctional biphenyl and process for producing bifunctional phenylene ether oligomer compound using the same A process for producing 2,2',3,3',5,5'-hexamethyl-[1,1'-biphenyl]-4,4'-diol, which process comprises, while setting a pH of a reaction liquid containing an alkaline aqueous solution, a surfactant, a copper catalyst and 2,3,6-trimethylphenol during a ... | 02/10/2004 |
| 6667104 | Phenol resin composition for wet friction material and wet friction material A phenol resin composition for wet friction material comprising a curable resin composition obtained by mixing a resol-type phenol resin and a hydrolysis solution of an alkoxysilane or a condensate thereof, wherein the ratio by weight of the nonvolatile c... | 12/23/2003 |
| 6646102 | Process for manufacturing an alpha-dihydroxy derivative and epoxy resins prepared therefrom A process for manufacturing an -dihydroxy derivative from an aryl allyl ether wherein such -dihydroxy derivative can be used to prepare an -halohydrin intermediate and an epoxy resin prepared therefrom including epoxidizing an ... | 11/11/2003 |
