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| Number | Title | Issue Date |
| 8022166 | Polycarbonate compositions Polycarbonate compositions are disclosed. The compositions comprise a polycarbonate polymer (A) having repeating units derived from 2-phenyl-3,3-bis(4-hydroxyphenyl)phthalimidine (PPPBP); a polycarbonate polymer (B) which is different from polymer (A); and an impact... | 09/20/2011 |
| 7678874 | Polyimide having an alcoholic hydroxyl group and a process for the preparation thereof This invention relates to a novel polyimide silicone having an alcoholic hydroxyl group and a process for the preparation thereof. The polyimide of the invention having a primary alcoholic hydroxyl group is represented by the following general formula (1), | 03/16/2010 |
| 7662903 | Thermoplastic polyimide and imide oligomer A thermoplastic polyimide having good processing characteristics, obtainable by polymerizing an acid component and a diamine component, wherein an aromatic tetracarboxylic acid dianhydride represented by formula (I): or its... | 02/16/2010 |
| 7605222 | Copolyetherimides Copolyetherimides compositions having high glass transition temperatures and outstanding ductility are presented. The copolyetherimides having Mw of at least 40,000 comprising isomeric bis(phthalimide) structural units within a relatively narrow range of ... | 10/20/2009 |
| 7507784 | Liquid crystalline thermosets from ester, ester-imide, and ester-amide oligomers Main chain thermotropic liquid crystal esters, ester-imides, and ester-amides were prepared from AA, BB, and AB type monomeric materials and end-capped with phenylacetylene, phenylmaleimide, or nadimide reactive end-groups. The end-capped liquid crystal oligomers ar... | 03/24/2009 |
| 7427654 | Degradable polymides Degradable polyimides are prepared in high yield by polymerizing a monomer containing at least two anhydride groups, and a monomer containing at least two primary amine groups and at least one acidic group, in bulk or in a solvent. The polyimides are very strong in ... | 09/23/2008 |
| 7359629 | Molding compounds for use in furnace blower housings and blower housings molded from these compounds The invention provides blower housings for air handlers and hot air furnaces which are made from molding compounds that allow for wide flexibility in molding complex configurations so as to improve blower efficiency, which improve manufacturing efficiency and safety... | 04/15/2008 |
| 7356296 | Endless belt type transferring apparatus and image forming apparatus An endless belt transports a recording medium through image forming sections and transfers toner images from corresponding ones of the image forming sections onto the recording medium. The endless belt has a surface resistivity and a volume resistivity. The surface ... | 04/08/2008 |
| 7355184 | Radiation detecting apparatus and method for manufacturing the same An underlayer of a phosphor layer is disposed on a sensor panel including two-dimensionally arranged photoelectric conversion devices. The surface of the underlayer is subjected to atmospheric pressure plasma treatment. The phosphor layer is formed on the surface-tr... | 04/08/2008 |
| 7354887 | High temperature LCP for wear resistance A high temperature liquid crystalline polyester (LCP) composition, and articles made therefrom, that provides “good” to “excellent” wear resistance at PVs (pressure×velocity) of at least 1.75 MPa-m/s (50,000 psi-fpm). The high temperature LCP being a matrix... | 04/08/2008 |
| 7351775 | Ion conductive membrane made from a block copolymer and methods of making a block copolymer A block copolymer for use as a solid polymer electrolyte, said block copolymer having at least first and second segments, the first segments being hydrophilic segments provided with acidic substituents for proton transport and the second segments being hydrophobic s... | 04/01/2008 |
| 7351837 | Thermally cleavable surfactants without deprotonation The present invention describes surfactants of formula (I), wherein R, RN, and m are defined herein, processes for their preparation, and methods for their decomposition. ... | 04/01/2008 |
| 7348373 | Polyimide compositions having resistance to water sorption, and methods relating thereto Water absorption resistant polyimide pastes (or solutions), are particularly useful to make electronic screen printable pastes and the electronic components made from these pastes. A group of soluble polyimides and their solvents were discovered to be particularly r... | 03/25/2008 |
| 7348080 | Low temperature polyimide adhesive compositions and methods relating thereto The present invention relates to a polyimide adhesive composition having a polyimide derived from an aromatic dianhydride and a diamine component, where the diamine component is preferably about 50 to 90 mole % of an aliphatic diamine and about 10 to 50 mole % of an... | 03/25/2008 |
| 7326736 | Composite proton exchange membrane and method of manufacturing the same A composite proton exchange membrane and method of manufacturing the same. The composite proton exchange membrane comprises a proton exchange membrane which has been modified by replacing membrane protons in desired areas of the membrane with a cationic polymer. The... | 02/05/2008 |
| 7323241 | Composite materials comprising a reinforcing material and a star polyamide as a thermoplastic matrix, the precursor compound article of said materials and the products obtained using same The invention relates to a precursor article of a composite material comprising a polymer matrix and at least one reinforcing wire and/or fibres, said article comprising at least one reinforcing wire and/or fibres and at least one polymer matrix wire and/or fibres. ... | 01/29/2008 |
| 7309752 | Polymer and film forming composition A polymer obtained by polymerizing, in a presence of a polymerization initiator, a compound having a cage structure with at least 11 carbon atoms and an ethylenic double bond; a film forming composition containing the polymer; an insulating film formed using the com... | 12/18/2007 |
| 7309754 | Stable encapsulant fluid capable of undergoing reversible Diels-Alder polymerization An encapsulant fluid is provided comprising a mixture of a diene-containing compound and a dienophilic compound. At least one of the diene-containing and the dienophilic compounds is protected so that the compounds do not substantially react with each other at room ... | 12/18/2007 |
| 7299535 | Methods for making data storage media and the resultant media Methods for forming data storage media and the media formed thereby are disclosed herein. In one embodiment, the method for forming a data storage media, comprises: injection molding a substrate comprising surface features, wherein said surface features have greater... | 11/27/2007 |
| 7300972 | Water-soluble polyimide precursor, aqueous polyimide precursor solution, polyimide, impregnated material with polyimide binder, and laminate A water-soluble polyimide precursor, which can be suitably applied for aromatic polyimides and exhibits a low reduction in heat resistance and mechanical properties, an aqueous solution of the polyimide precursor and a polyimide obtained from the precursor. A heat-r... | 11/27/2007 |
| 7294683 | Non-gelled curable compositions containing imide functional compounds The present invention is directed to a non-gelled, curable composition including at least one compound having a plurality of imide functional groups. The compound in particular contains a reaction product of at least one secondary monoamine and at least one maleimid... | 11/13/2007 |
| 7282553 | Flexible isopropylidene and tetramethyl-containing fluoropolyamide and fluoropolymide and preparation method thereof Polyamides and polyimides containing flexible isopropylidene, trifluoromethyl and tetramethyl substituents and their synthetic method are disclosed. Polyamide containing flexible isopropylidene, trifluoromethyl and tetramethyl substituents is synthesized by reacting... | 10/16/2007 |
| 7274854 | Polyimide optical waveguides and method for the preparation thereof An optical waveguide has a core layer made by a film containing a cross-linked polyamide based on a repeating unit of general formula (I) and a method for the production thereof. ... | 09/25/2007 |
| 7267883 | Polyimide film and laminate having metal layer and same A polyimide film of the present invention is a polyimide film having a dynamic viscoelasticity whose tan δ peak is located in a range of not less than 310° C. but not more than 410° C., and whose tan δ value at 300° C. is not more than 0.05, or a polyimide film... | 09/11/2007 |
| 7261997 | Spin bowl compatible polyamic acids/imides as wet developable polymer binders for anti-reflective coatings Anti-reflective compositions and methods of using these compositions to form circuits are provided. The compositions comprise a polymer dissolved or dispersed in a solvent system. In a preferred embodiment the polymers of the composition include recurring monomers h... | 08/28/2007 |
| 7252747 | Composite proton exchange membrane and method of manufacturing the same A composite proton exchange membrane and method of manufacturing the same. The composite proton exchange membrane comprises a proton exchange membrane which has been modified by replacing membrane protons in desired areas of the membrane with a cationic polymer. The... | 08/07/2007 |
| 7252881 | Multilayer structure and multilayer wiring board using the same A multilayer structure comprising a conductor layer, an adhesive layer, and a polymer film layer interposed between the conductor layer and the adhesive layer. The multilayer structure can be used to provide a multilayer wiring board having excellent electrical prop... | 08/07/2007 |
| 7244510 | Vapor screen composition The invention relates to a water-dispersible composition for making a water repellent paper with a low permeability for moisture. The composition comprises components (A) to (H), in the following amounts by dry weight (wt): (A) 5 to 89 wt % of polyvinyl butyral (PVB... | 07/17/2007 |
| 7233647 | Radiation window and method of manufacture A radiation window device to transmit radiation as part of an x-ray source or detector includes a support to be subject to a substantial vacuum, and an opening configured to transmit radiation. A film is mounted directly on the support across the opening, and has a ... | 06/19/2007 |
| 7230066 | Polycarbonate—ultem block copolymers The present invention provides novel block copolycarbonates comprising residues from a hydroxy terminated polyetherimide or polyimide, residues from a dihydroxy compound, and residues from an activated carbonate. In a preferred embodiment of the present invention th... | 06/12/2007 |
| 7220467 | Photo-alignment material and liquid crystal display device and its manufacturing method using the same A photo-alignment material, a liquid crystal display device using the photo-alignment material, and a manufacturing method. The photo-alignment material is a polymer having a photo-reactive ethenyl group on a main chain. When used as a photo-alignment layer, the pho... | 05/22/2007 |
| 7220490 | Polyimide based adhesive compositions useful in flexible circuit applications, and compositions and methods relating thereto The low modulus polyimide adhesive compositions of the present invention contain a low modulus polyimidosiloxane polymer, a thermosetting substantially-non-halogenated epoxy (optionally including an epoxy catalyst), a plasticizer, an insoluble halogen-free flame-ret... | 05/22/2007 |
| 7211203 | Polymer electrolyte, proton conductive membrane and membrane-electrode assembly Disclosed are a polymer electrolyte having improved hot water resistance and radical resistance, a proton conductive membrane comprising the polymer electrolyte, and a membrane-electrode assembly including the proton conductive membrane. The polymer electroly... | 05/01/2007 |
| 7206490 | Electro-optic polymer waveguide devices incorporating organically modified sol-gel clads Electro-optic waveguide devices that comprise an electro-optic polymer core and a polymer buffer clad. The polymer buffer clad comprises an organically modified sol-gel and has a refractive index lower than the refractive index of the core. ... | 04/17/2007 |
| 7193020 | Film and laminate of the same A film comprising a resin alloy of a liquid-crystalline polyester, a polyimide and an optional inorganic filler is provided. The film is excellent in heat resistance and dimensional stability. ... | 03/20/2007 |
| 7189877 | Arylamine derivatives having fluorene skeleton, synthetic intermediates thereof, processes of producing those, and organic electrolumivescene devices Arylamine derivatives that can be utilized as hole transport or hole injection materials of organic electroluminescence devices, electrophotographic reactors, etc., and synthetic intermediates thereof, and processes of producing those. The arylamine derivative is re... | 03/13/2007 |
| 7183017 | Composite polymer electrolytes for proton exchange membrane fuel cells Thin films of inexpensive composite polymer electrolyte membranes containing inorganic cation exchange materials including various clay based fillers are fabricated by solution casting. The membranes exhibit higher ion exchange capacity, proton conductivity and/or l... | 02/27/2007 |
| 7183230 | Protective cover system including a corrosion inhibitor A protective cover system (100) for inhibiting corrosion of a metallic object. The protective cover system includes a cover (101, 200, 600) for defining a microenvironment and a corrosion inhibitor source for releasing one or more corrosion inhibitors ... | 02/27/2007 |
| 7183352 | Water-dilutable polyesters with cyclic imide structure The present invention relates to novel polyesterpolyols with cyclic imide structure and to their use in coating compositions. ... | 02/27/2007 |
| 7179519 | Polyimide/metal laminate, and electric/electronic equipment bases, magnetic recording bases, solar battery bases, coating film for aerospace materials and filmy resistance elements with the use thereof Polyimide/metal laminates having a polyimide film and a metal layer laminated thereon, wherein the polyimide film contains titanium element and flexible print wiring boards with the use of the same are disclosed. The polyimide/metal laminates are excellent in adhesi... | 02/20/2007 |
