Solid Polymer Derived From Phenolic Reactant Patents (Class 525/534)
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Patent number: 6906120Abstract: 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.Type: GrantFiled: August 22, 2000Date of Patent: June 14, 2005Assignee: General ElectricInventors: Michael J. Davis, James Estel Tracy, Geoffrey Henry Riding, Gary William Yeager
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Patent number: 6899917Abstract: The present invention provides for a powdered epoxy composition particularly well suited for coating electrical windings. The composition comprises (a) from about 30 to 40 wt % of at least one crystalline epoxy; (b) from about 10 to 40 wt % of at least one phenolic resole resin; and (c) from about 1 to 40 wt % of at least one multifunctional branched hindered phenol, wherein all weight percentages are based on the total weight of said composition.Type: GrantFiled: December 27, 2001Date of Patent: May 31, 2005Assignee: 3M Innovative Properties CompanyInventors: Curtis R. Guilbert, Neil L. Hanssen
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Patent number: 6897282Abstract: The invention relates to a method of forming a polyphenylene ether resin containing residual aliphatic unsaturation. A polyphenylene ether is reacted with a capping agent in a solvent to form the polyphenylene ether resin containing residual aliphatic unsaturation, which is precipitated from solution by combining the solution with an antisolvent. The precipitated polyphenylene ether resin containing residual aliphatic unsaturation has lower levels of residual impurities than the same compound isolated by devolatilization.Type: GrantFiled: October 3, 2003Date of Patent: May 24, 2005Assignee: General ElectricInventors: Amy Freshour, Hua Guo, Robert L. Howe, Edward N. Peters, Gary William Yeager
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Patent number: 6894102Abstract: A syndiotactic polystyrene blend comprises syndiotactic polystyrene and poly(arylene ether) wherein the poly(arylene ether) has an intrinsic viscosity less than about 0.25 deciliters per gram (dl/g) when measured in chloroform at 25° C.Type: GrantFiled: May 20, 2002Date of Patent: May 17, 2005Assignee: General ElectricInventor: Glen David Merfeld
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Patent number: 6878782Abstract: A curable composition includes a functionalized poly(arylene ether); an alkenyl aromatic monomer; an acryloyl monomer; and a polymeric additive having a glass transition temperature less than or equal to 100° C. and a Young's modulus less than or equal to 1000 megapascals at 25° C. The polymeric additive is soluble in the combined functionalized poly(arylene ether), alkenyl aromatic monomer, and acryloyl monomer at a temperature less than or equal to 50° C. The composition exhibits low shrinkage on curing and improved surface smoothness. It is useful, for example, in the manufacture of automotive body panels.Type: GrantFiled: April 9, 2002Date of Patent: April 12, 2005Assignee: General ElectricInventors: Glen David Merfeld, Gary William Yeager, Robert Edgar Colborn, Bryan Duffey
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Patent number: 6878781Abstract: A curable resin composition including a poly(arylene ether), an allylic monomer, and an acryloyl monomer may be formulated as a powder. The resin composition exhibits improved toughness, and it is useful in thermoset processing applications where use of powdered resins is preferred.Type: GrantFiled: March 27, 2001Date of Patent: April 12, 2005Assignee: General ElectricInventors: Kenneth Paul Zarnoch, Gary William Yeager, Hua Guo
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Patent number: 6849696Abstract: A low dielectric constant material has a first backbone with an aromatic moiety and a first reactive group, and a second backbone with an aromatic moiety and a second reactive group, wherein the first and second backbones are crosslinked via the first and second reactive groups in a crosslinking reaction without an additional crosslinker, and wherein a cage structure having at least 10 atoms is covalently bound to at least one of the first and second backbone.Type: GrantFiled: November 12, 2002Date of Patent: February 1, 2005Assignee: Honeywell International Inc.Inventors: Kreisler Lau, Feng Quan Liu, Boris Korolev, Emma Brouk, Roger Leung
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Patent number: 6841629Abstract: Provided is a modified polyphenylene ether resin which is a reaction product of 100 parts by weight of (A) a polyphenylene ether having a main chain structure of the following formula (1): (wherein R1 and R4 each independently represents hydrogen, a primary or secondary lower alkyl, a phenyl, an aminoalkyl or a hydrocarbonoxy, and R2 and R3 each independently represent, hydrogen, a primary or secondary lower alkyl or a phenyl), and 0.01 to 10.0 parts by weight of (B) a modifier selected from conjugated non-aromatic diene compounds, dienophilic compounds having one dienophile group and precursors of the diene or dienophilic compounds, wherein the number of rearrangement structures each represented by the following formula (2): (wherein R1, R2, R3, and R1 have the same meanings as defined above in the formula (1)) is less than 0.01 per 100 phenylene ether units of the formula (1).Type: GrantFiled: April 21, 2000Date of Patent: January 11, 2005Assignee: Asahi Kasei Kabushiki KaishaInventors: Mutsumi Maeda, Hiroaki Adachi
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Patent number: 6828353Abstract: 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 III are independently optionally substituted and optionally cross-linked; m, r; s, t, v, w and z independently represent zero or a positive integer, E and E′ independently represent an oxygen or a sulphur atom or a direct link, G represents an oxygen or sulphur atom, a direct link or a —O—Ph—O— moiety where Ph represents a phenyl group and Ar is selected from one of the moieties (i) to (x) as set forth herein which is bonded via one or more of its phenyl moieties to adjacent moieties.Type: GrantFiled: March 12, 2001Date of Patent: December 7, 2004Assignee: Victrex Manufacturing LimitedInventors: Peter Charnock, David J. Kemmish, Philip A. Staniland, Brian Wilson
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Publication number: 20040232393Abstract: The present invention relates to a non-linear optical material having a dendrimer structure; and, more particularly, to a non-linear optical material having organic chromophores at the ends and formed based on ester linkages and/or ether linkages. Since the non-linear optical material of the present invention is formed based on ester linkages and/or ether linkages, it is very stable. Also, because it is a dendrimer structure, it has the properties of a polymer while having a strong connection ability at the ends, and this makes the non-linear optical material easily adopt organic chromophores easily. As it is stable thermally and optically, it can be applied to optical communication usefully.Type: ApplicationFiled: October 30, 2003Publication date: November 25, 2004Inventors: Jung Yun Do, Seung Koo Park, Jung Jin Ju, Suntak Park, Min-Su Kim, Myung Hyun Lee
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Publication number: 20040225082Abstract: A modified polyphenylene ether resin is provided which is a product of the reaction of 100 parts by weight of (A) a polyphenylene ether having a main chain structure of the following formula (1): 1Type: ApplicationFiled: June 1, 2004Publication date: November 11, 2004Inventors: Mutsumi Maeda, Hiroaki Adachi
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Patent number: 6815483Abstract: Copolymers of polycarbonates or polyarylates with polyether polymers such as polyethersulfones, polyetherketones, and polyetherimides are prepared by reaction of the polyether polymer-forming reagents, e.g., bisphenol A disodium salt and bis(4-chlorophenyl) sulfone, in the presence of the polycarbonate or polyarylate. The reaction may take place in a dipolar aprotic solvent, or in a water-immiscible aromatic solvent in the presence of a phase transfer catalyst, preferably a hexaalkylguanidinium halide. Hydroxy-terminated polyether oligomers may be produced from the copolymers by saponification of carbonate or ester groups.Type: GrantFiled: December 10, 2001Date of Patent: November 9, 2004Assignee: General Electric CompanyInventor: Tohru Takekoshi
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Publication number: 20040220354Abstract: Provided is a polymer electrolyte containing a block copolymer comprising one or more blocks having sulfonic acid groups and one or more blocks having substantially no sulfonic acid group, and at least one block among all blocks is a block having aromatic rings in the main chain thereof, and a method for producing the same. The polymer electrolyte is suitable for a proton conductive film of a fuel cell due to excellent water resistance and heat resistance, and high proton conductivity.Type: ApplicationFiled: May 26, 2004Publication date: November 4, 2004Applicant: Sumitomo Chemical Company, LimitedInventors: Atsushi Terahara, Katsuhiko Iwasaki, Takashi Ikeda
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Publication number: 20040212042Abstract: An aryl amine polymer is provided which contains a specific repeat unit, its use in preparing an organic semiconductor material which contains the aryl amine polymer and an additional specific compound and in the preparation of organic light emitting devices (OLED), organic thin film transistors (TFT) and so on, along with an organic TFT including a substrate, an organic semiconductor layer which contains the organic semiconductor material and is located overlying the substrate, an electrode pair of a source electrode and a drain electrode; and a third electrode.Type: ApplicationFiled: February 13, 2004Publication date: October 28, 2004Inventors: Toshiya Sagisaka, Masaomi Sasaki, Masafumi Torii, Shinichi Kawamura, Takashi Okada, Yoshinobu Nakayama, Yoshikazu Akiyama, Hitoshi Kondoh, Hidenori Tomono, Takumi Yamaga
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Publication number: 20040198926Abstract: The invention herein disclosed comprises the use of oxazolidines, nitroalcohols, nitroamines, aminonitroalcohols, imines, hexahydropyrimidines, nitrones, hydroxylamines, nitro-olefins and nitroacetals to serve as hardeners and/or as catalysts for curing phenolic resins. The hardeners and catalysts described in the invention can be applied in any application where phenolic resins are used, including but not limited to adhesives, molding, coatings, pultrusion, prepregs, electronics, composites, fire resistant, and flame-retardant end uses.Type: ApplicationFiled: April 23, 2004Publication date: October 7, 2004Inventors: Raymond J. Swedo, George David Green
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Patent number: 6797777Abstract: A low dielectric constant material has a first backbone with an aromatic moiety and a first reactive group, and a second backbone with an aromatic moiety and a second reactive group, wherein the first and second backbones are crosslinked via the first and second reactive groups in a crosslinking reaction without an additional crosslinker, and wherein a cage structure having at least 10 atoms is covalently bound to at least one of the first and second backbone.Type: GrantFiled: July 10, 2001Date of Patent: September 28, 2004Assignee: Honeywell International Inc.Inventors: Kreisler Lau, Feng Quan Liu, Boris Korolev, Emma Brouk, Rusian Zherebin, Roger Leung
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Patent number: 6794481Abstract: A bifunctional phenylene ether oligomer of the formula (1), obtained by oxidation polymerization of abivalent phenol of the formula (2) and a monovalent phenol of the formula (3), H&Brketopenst;O—Y&Brketclosest;a&Parenopenst;O—X—O&Parenclosest;&Brketopenst;Y—O&Brketclosest;bH (1) HO—X—OH (2) Y—OH (3) wherein —X— is represented by the formula (2′), and Y—O— is represented by the formula (3), R2, R3, R4, R8, R9, R10 and R11 in the formula (2′) and the formula (3′) being required not to be a hydrogen atom, and its use.Type: GrantFiled: June 27, 2002Date of Patent: September 21, 2004Assignee: Mitsubishi Gas Chemical Company, Inc.Inventors: Akikazu Amagai, Kenzi Ishii, Kiyonari Hiramatsu, Makoto Miyamoto, Daisuke Ohno, Katsutoshi Yamazaki, Yasumasa Norisue
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Patent number: 6784260Abstract: A powder coating composition comprises at least one thermosetting resin such as epoxy resins, carboxy- or hydroxy-functional polyesters; hydroxy-, carboxyl- or glycidyl-functional acrylic resins; and/or hydroxy- or carboxyl-functional fluoropolymers, fluorochloropolymers or fluoroacrylic polymers blended with a at least one poly(phenylene ether) and at least one curing agent for the thermosetting resin.Type: GrantFiled: January 31, 2003Date of Patent: August 31, 2004Assignee: General Electric CompanyInventors: Gary William Yeager, Michael Teruki Takemori
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Publication number: 20040167284Abstract: Disclosed are branched polyphosphonates produced via a superior transesterification process, and methods related thereto. These branched polyphosphonates exhibit a unique and advantageous combination of properties, such as outstanding fire resistance, improved heat stability, improved toughness, and superior processing characteristics. Also disclosed are polymer compositions that comprise these branched polyphosphonates and at least one other polymer, wherein the resulting polymer compositions exhibit flame retardant properties. Further disclosed are articles of manufacture produced from these polymers, such as fibers, films, coated substrates, moldings, foams, fiber-reinforced articles, or any combination thereof; these articles may be coated with a moisture barrier to enhance their moisture resistance properties.Type: ApplicationFiled: February 24, 2003Publication date: August 26, 2004Inventors: Michael Vinciguerra, Dieter Freitag, Norman Rice, Richard Lusignea
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Patent number: 6780893Abstract: A process for producing an anion exchange membrane, which comprises mixing from 25 to 95 mass % of a polymer having anion exchange groups or active groups convertible to anion exchange groups (hereinafter referred to as polymer 1), and from 5 to 75 mass % of a polymer having no anion exchange groups or no active groups convertible to anion exchange groups (hereinafter referred to as polymer 2), and forming the obtained composition into a membrane, said process including a step of cross-linking an aromatic ring of a repeating unit constituting polymer 1 with an aromatic ring of another repeating unit constituting polymer 1 or with a cross-linkable site of polymer 2, and in a case where polymer 1 is a polymer having active groups convertible to anion exchange groups, a step of converting the active groups to anion exchange groups.Type: GrantFiled: July 30, 2002Date of Patent: August 24, 2004Assignees: Asahi Glass Engineering Co., Ltd., Asahi Glass Company, LimitedInventors: Yoshio Sugaya, Hisao Kawazoe
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Patent number: 6780959Abstract: The invention relates to a polyphenylene ether resin containing residual aliphatic unsaturation as well as composites, blends, and articles made from the polyphenylene ether resin containing residual aliphatic unsaturation. Also included are reaction products between the polyphenylene ether resin containing residual aliphatic unsaturation and other resins and unsaturated resin formulations, e.g., thermosetting polyesters, acrylics, bismaleiimides, silicones, and allylics, and thermoplastics such as polyolefins, styrenics, rubbers, etc.Type: GrantFiled: June 3, 2003Date of Patent: August 24, 2004Assignee: General Electric CompanyInventors: Adrianus J. F. M. Braat, Herbert Shin-I Chao, Hua Guo, Juraj Liska, Gary William Yeager
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Patent number: 6776930Abstract: The present invention recites a method comprising reacting in a solvent in the presence of a base a) at least one diacidic monomer comprising about 1 to 100 mole % of at least one light-absorbing monomer having a light absorption maximum between about 300 nm and about 1200 nm and 99-0 mole % of a non-light absorbing monomer which does not absorb significant light at wavelengths above 300 nm or has a light absorption maximum below 300 nm, with b) an organic compound of Formula II X—B—X1 wherein B is a divalent organic radical to form a light absorbing composition comprising a mixture of a polymer having the formula and a cyclic compound having the general formula wherein B is as defined above; n is at least 2, m is 1, 2, 3 or 4 and A comprises the residue of a diacidic monomer comprising about 1 to 100 mole % of at least one light-absorbing monomer having a light absorption maximum between about 300 nm and about 1000 nm and wherein the remaiType: GrantFiled: December 29, 2000Date of Patent: August 17, 2004Assignee: Eastman Kodak CompanyInventors: Max Allen Weaver, James John Krutak, Sr., Brian Edison Maxwell, Gerry Foust Rhodes, Samuel David Hilbert, Jean Carroll Fleischer, William Whitfield Parham
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Patent number: 6756474Abstract: The present invention is generally directed to a polyaniline/high molecular weight polymeric sulfonic acid complex made by oxidative polymerization, and aqueous polyaniline dispersions, where the viscosity of the dispersion has been increased by the presence of the high molecular weight polymeric sulfonic acids during the polymerization process.Type: GrantFiled: January 23, 2002Date of Patent: June 29, 2004Assignee: E. I. du Pont de Nemours and CompanyInventor: Che-Hsiung Hsu
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Publication number: 20040102586Abstract: The invention relates to the use of resins that can be obtained from compounds of formula (1), in which substituents R1 and OH can, with regard to one another, be located in ortho position, meta position or para position, and R1 represents C1-C30 alkyl, C2-C30 alkenyl, C6-C18 aryl or C7-C30 alkyl aryl. The inventive resins are produced using the following steps, which can be carried out in any order: A) reacting with a compound of formula (2): OHC—COOR2, wherein R2 represents H, C1-C30 alkyl, C2-C30 aryl or C7-C30 alkyl aryl, and; B) alkoxylating with a C2-C4 alkylene oxide in molar excess so that the resulting alkoxylate has a degree of alkoxylation of 0 to 100 alkylene oxide units per OH group. In addition, the inventive resins have a molecular weight ranging from 250 to 100,000 units in quantities of 0.0001 to 5 wt. % with regard to the emulsion. The inventive resins are used a demulsiflers for oil-in-water emulsions, in particular, in the domain of petroleum extraction.Type: ApplicationFiled: May 16, 2003Publication date: May 27, 2004Inventors: Dirk Leinweber, Elisabeth Wasmund
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Publication number: 20040102584Abstract: A low dielectric constant material has a polymeric network that is fabricated from a first and a second component. The first component comprises a polymeric strand, and the second component comprises a molecule having a central portion with at least three arms extending from the central portion, wherein each of the arms includes a backbone with a reactive group. The first component and the second component form the polymeric network in a reaction that involves at least one of the reactive groups when the first and second components are thermally activated.Type: ApplicationFiled: November 18, 2003Publication date: May 27, 2004Inventors: Kreisler S. Lau, Feng Quan Liu, Boris Korolev, Emma Brouk, Ruslan Zherebin, David Nalewajek
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Patent number: 6716956Abstract: Disclosed is a process for preparing a polymer of the formula wherein x is an integer of 0 or 1, A is one of several specific groups, such as B is one of several specified groups, such as or mixtures thereof, and n is an integer representing the number of repeating monomer units, said process comprising (A) providing a reaction mixture which comprises (i) a solvent, (ii) a compound of the formula (iii) a compound of the formula (iv) a compound of the formula wherein a is an integer of from 1 to 5, R′ is a hydrogen atom, an alkyl group, an aryl group, an arylalkyl group, an alkylaryl group, an alkoxy group, an aryloxy group, an arylalkyloxy group, an alkylaryloxy group, a polyalkyleneoxy group, or a mixture thereof, and (v) a carbonate base; and (B) heating the reaction mixture and removing generated water from the reaction mixture, thereby effecting a polymerization reaction.Type: GrantFiled: January 9, 2002Date of Patent: April 6, 2004Assignee: Xerox CorporationInventors: Timothy P. Bender, Christine J. DeVisser, Richard A. Burt, Paul F. Smith, Marko D. Saban
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Patent number: 6709753Abstract: A resin composition is provided comprising a silicone-modified epoxy or phenolic resin obtained by reacting an epoxy or phenolic resin having specific structural units with an organopolysiloxane. The modified epoxy or phenolic resin is such that after the modified epoxy or phenolic resin is cured alone or together with another epoxy resin and/or phenolic resin to form a cured product, the organopolysiloxane component does not form a phase separation structure in the cured product. The composition cures into a product having both the adherence, heat resistance and humidity resistance characteristic of epoxy or phenolic resins and the flexibility and impact resistance characteristic of silicone resins.Type: GrantFiled: February 22, 2002Date of Patent: March 23, 2004Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Tsuyoshi Honda, Toshio Shiobara, Tatsuya Kanamaru
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Publication number: 20040044142Abstract: 0.3-5.0 parts by weight of phenol resin, sulfur, and vulcanizing accelerator are added to 100 parts by weight of EPDM rubber. They are kneaded, and the EPDM rubber is vulcanized and molded. Generation of blooming can be suppressed without inhibiting the vulcanizing speed and the vulcanizing start timing.Type: ApplicationFiled: June 10, 2003Publication date: March 4, 2004Applicant: Sumitomo Rubber Industries, Ltd.Inventor: Kenichi Uesaka
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Patent number: 6696529Abstract: The present photosensitive resin composition 2 comprises a polyamic acid resin 4, a photosensitive agent, a dispersible compound 3 dispersible in the polyamic acid resin 4, and a solvent. The porous resin is obtained by removing the solvent from the photosensitive resin composition 2 to form a composition in which the dispersible compound 3 is dispersed in the polyamic acid resin 4, removing the dispersible compound to make the composition porous, and curing the porous photosensitive resin composition. The porous resin enables forming a fine circuit pattern and has a low dielectric constant and, when used as an insulating layer of a circuit board, brings about improved high frequency characteristics.Type: GrantFiled: November 27, 2000Date of Patent: February 24, 2004Assignee: Nitto Denko CorporationInventors: Amane Mochizuki, Takahiro Fukuoka, Mitsuhiro Kanada, Takayuki Yamamoto, Tomohiro Taruno
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Patent number: 6670042Abstract: Provided is an industrially advantageous insulating film obtainable from a resin composition comprising (A) 100 parts by weight of a polyphenylene oxide having a structural unit of the following formula (1): and (B) 0.1 to 60 parts by weight of a copolymer having a functional group reactive with the above-mentioned polyphenylene oxide.Type: GrantFiled: February 13, 2002Date of Patent: December 30, 2003Assignee: Sumitomo Chemical Company, LimitedInventors: Motonobu Furuta, Takanari Yamaguchi
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Patent number: 6646095Abstract: A process for the manufacture of copolymers of formaldehyde and diphenyl oxide and a carboxylic acid uses and acid with a pKa in the range of 1.2 to 3 as the catalyst.Type: GrantFiled: January 16, 2002Date of Patent: November 11, 2003Assignee: National Starch and Chemical Investment Holding CorporationInventors: Kelly J. Seheult, Shane M. Carter, Lawrence J. Scotchie
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Patent number: 6646066Abstract: This invention relates to rubber composition which contains a thermoplastic polymer and use thereof as a tire sidewall component and/or tread supporting ring for use in a tire/rim assembly. Such tire sidewall component may be a sidewall insert and/or apex of a rubber composition which contains a thermoplastic polymer.Type: GrantFiled: March 14, 2002Date of Patent: November 11, 2003Assignee: The Goodyear Tire & Rubber CompanyInventors: Bruce Raymond Hahn, Ivan Glen Hargis, David Andrew Benko
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Patent number: 6632886Abstract: The present invention refers to an optical film comprising one or more polyarylates having at least some units represented by the general structure: wherein A represents one or more different bisphenolfluorene radicals having the general formula (I): wherein R1 and R2 independently represent an alkyl group, a halogen, an alkoxy group, an acyl group, a phenyl group or a nitrile group, with the proviso that R1 and R2 are not both an alkyl group; R3, R4, R5 and R6 represent a hydrogen atom, an alkyl group, a halogen, an alkoxy group, an acyl group, a phenyl group, a nitro group, or a nitrile group; B represents one or more different dicarboxy radicals having the formula: wherein X is a divalent hydrocarbon group having from 1 to 20 carbon atoms, and n is the number of the repeating units which build up the polymer and is a positive integer higher than 20.Type: GrantFiled: April 10, 2001Date of Patent: October 14, 2003Assignee: Ferrania, S.p.A.Inventors: Simone Angiolini, Mauro Avidano, Paolo Salvarani, Roberto Bracco
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Patent number: 6627708Abstract: The invention relates to a polyphenylene ether resin containing residual aliphatic unsaturation as well as composites, blends, and articles made from the polyphenylene ether resin containing residual aliphatic unsaturation. Also included are reaction products between the polyphenylene ether resin containing residual aliphatic unsaturation and other resins and unsaturated resin formulations, e.g., thermosetting polyesters, acrylics, bismaleiimides, silicones, and allylics, and thermoplastics such as polyolefins, styrenics, rubbers, etc.Type: GrantFiled: March 26, 2002Date of Patent: September 30, 2003Assignee: General Electric CompanyInventors: Adrianus J. F. M. Braat, Herbert Shin-I Chao, Hua Guo, Juraj Liska, Gary William Yeager
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Publication number: 20030166796Abstract: The present invention is intended to provide cured articles which has excellent heat resistance and excellent flexibility, excellent adhesion, excellent dielectric properties and excellent toughness suitable laminates, metal foil-clad laminates, insulating materials for build-up substrates, flexible printed wiring boards, materials for flexible printed wiring boards, etc.Type: ApplicationFiled: February 3, 2003Publication date: September 4, 2003Inventors: Masahiro Imaizumi, Toyofumi Asano, Masaki Shinmoto
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Patent number: 6613844Abstract: A chemically amplified positive resist composition comprising a styrene polymer represented by formula (1), terminated with P, and having a weight average molecular wherein R is OH or OR3, R1 is H or CH3, R2 is alkyl, R3 is acid labile group, x≧0, y>0, k≧0, m≧0, n>0, 0<q≦0.8, p+q=1, P is H, alkyl, alkenyl, aromatic, carboxyl, OH, —R4(COR5)r, —R4O(OH)r or —R4 (OR5)r. A chemically amplified positive resist composition comprising the polymer as a base resin has high sensitivity and resolution and forms resist patterns having plasma etching resistance, heat resistance, and reproducibility.Type: GrantFiled: March 19, 2002Date of Patent: September 2, 2003Assignee: Shin-Etsu Chemical Co., Ltd.Inventors: Osamu Watanabe, Shimada Junji, Nagura Shigehiro, Takeda Takanobu
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Patent number: 6608166Abstract: A three dimensional copolymer network of polyphenylene ether segments and styrenic resins such as styrene/acrylonitrile copolymers provide articles of high heat reesistance and dielectric properties suitable for use in electronic components. Methods for preparing the copolymers employ polyphenylene ether polymers with end caps having at least one pair of unsaturated aliphatic carbon atoms, i.e. carbon-carbon double bond, and polymerize styrene monomers and acrylonitrile monomers or styrene/acrylonitrile copolymers or both in the presence of these polyphenylene ether polymers.Type: GrantFiled: August 30, 2001Date of Patent: August 19, 2003Assignee: General Electric CompanyInventors: Hua Guo, Manuel Cavazos, John B. Yates, III
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Patent number: 6593445Abstract: Improved carbonate method for producing poly(biphenyl ether sulfones) having a low color, the improvement being the use of small particle size anhydrous potassium carbonate. The resulting poly(biphenyl ether sulfones) are significantly improved in color.Type: GrantFiled: February 27, 2001Date of Patent: July 15, 2003Assignee: Solvay Advanced Polymers, LLCInventor: Thomas H. Schwab
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Patent number: 6586554Abstract: This invention provides polyarylenes having a recurring unit shown by formula (I) or (II) below and a process for production thereof as well as these monomers: (wherein Ar1 and Ar2 are an arylene; R1 and R2 are C1-C20 hydrocarbon group, etc.; A1 and A2 are C1-C20 hydrocarbon group, etc.; and n is an integer of 2 or more); (wherein Ar1 and Ar2 are an arylene; R1 and R2 are C1-C20 hydrocarbon group, etc.; A1 and A2 are C1-C20 hydrocarbon group, etc.; and n is an integer of 2 or more) The polyarylenes of the invention find extensive applications as electrically conductive resins. The polyarylenes can be used also as resin compositions in a variety of formed shapes.Type: GrantFiled: January 15, 2002Date of Patent: July 1, 2003Assignee: Japan Science and Technology CorporationInventor: Tamotsu Takahashi
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Patent number: 6579954Abstract: A thermoplastic resin composition comprising an aromatic polysulfone resin and at least one resin selected from aromatic polyester resins, wherein the amount of alkali metal which exists in the aromatic polysulfone resin as a terminal phenolate is 50 ppm or less, and molded article thereof. This composition is excellent in heat resistance and melt-mold processability.Type: GrantFiled: February 19, 1999Date of Patent: June 17, 2003Assignee: Sumitomo Chemical Company, LimitedInventors: Tohru Nagashima, Yoshifumi Yoshida, Hiroshi Nakamura
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Patent number: 6576718Abstract: Powder coating compositions comprising at least one thermosetting resin and at least one poly(phenylene ether) are disclosed.Type: GrantFiled: October 4, 2000Date of Patent: June 10, 2003Assignee: General Electric CompanyInventors: Gary William Yeager, Michael Teruki Takemori
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Patent number: 6573342Abstract: Solid blends of rubbery polymers and amorphous or crystalline polymers, said blends being free-flowing at temperatures lower than the glass transition temperature or crystalline melting temperature of the amorphous or crystalline polymer, are prepared by intimate mixing procedures. In general, said mixing conditions include high shear conditions sufficient to convert polymer A to dispersed particles coated with polymer B and produce a free-flowing powder blend.Type: GrantFiled: February 21, 2002Date of Patent: June 3, 2003Assignee: General Electric CompanyInventors: Navjot Singh, Joseph Michael Anostario
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Patent number: 6558783Abstract: Disclosed are a curable polyphenylene ether (PPE) resin composition comprising (a) a PPE resin and (b) a of a compound having a 3,4-dihydro-3-substituted-1,3-benzoxazine skeleton (DSBS compound), or a mixture of the DSBS compound and a ring-opening polymerization re-action product thereof; a cured PPE resin composition obtainable by curing the curable PPE resin composition; and a laminate structure obtained by using the curable or cured PPE resin composition. The curable PPE resin composition exhibits, after cured, excellent chemical resistance, moisture resistance, dielectric characteristics, heat resistance, flame retardancy and dimensional stability, so that it can be used as a dielectric, insulating or heat resistant material in the electrical, electronic, space and aircraft industries.Type: GrantFiled: June 28, 2000Date of Patent: May 6, 2003Assignee: Asahi Kasei Kabushiki KaishaInventors: Akihiro Kato, Shozo Kinoshita
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Patent number: 6548608Abstract: A polymer composition comprises at least one thermoplastic polymer selected from the group formed by polyetherimides and polysulphones, at least one epoxy resin modified by at least one aromatic polyamine, and at least one other thermoplastic selected from the group consisting of a polyphenylene ether, a polyphenylene sulfide and an aromatic polyether. The epoxy resin is formed from at least one polyepoxide containing at least 2 epoxy groups in its molecule and the aromatic polyamine contains at least two primary amine groups in its molecule and preferably at least one alkyl substituent containing 1 to 12 carbon atoms located alpha to one of the amino groups. The molar ratio of the polyamine to the epoxy is such that, each amino group corresponds to 1.6 to 2.6 epoxy groups.Type: GrantFiled: April 20, 2001Date of Patent: April 15, 2003Assignee: Institut Francais du PetroleInventors: Yves Camberlin, Jacky Grenier, Jacques Vallet, Anthony Bonnet, Jean-Pierre Pascault, Mohamed Taha
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Patent number: 6521732Abstract: A (meth)acrylate terpolymer comprising 1-30% of total terpolymer weight epoxy-functional (meth)acrylate monomer units, 1-98% of total terpolymer weight tackifier (meth)acrylate monomer units, and 1-98% of total terpolymer weight compatibilizing (meth)acrylate monomer units, wherein the compatibilizing (meth)acrylate monomer unit is a (meth)acrylic ester derived from an aromatic alcohol containing 6-14 carbon atoms. Also provided are self-fixturing adhesive compositions comprising the acrylate terpolymer of the present invention and methods of their use.Type: GrantFiled: April 5, 2001Date of Patent: February 18, 2003Assignee: 3M Innovative Properties CompanyInventors: Mario Alberto Perez, Ahmed Salih Abuelyaman, Ikuko Ebihara, Lani S. Kangas
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Patent number: 6509415Abstract: A low dielectric constant material has a first backbone with an aromatic moiety and a first reactive group, and a second backbone with an aromatic moiety and a second reactive group, wherein the first and second backbones are crosslinked via the first and second reactive groups in a crosslinking reaction without an additional crosslinker, and wherein a cage structure having at least 10 atoms is covalently bound to at least one of the first and second backbone.Type: GrantFiled: April 7, 2000Date of Patent: January 21, 2003Assignee: Honeywell International Inc.Inventors: Kreisler Lau, Feng Quan Liu, Boris Korolev, Emma Brouk, Rusian Zherebin, Roger Leung
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Publication number: 20020188097Abstract: A polymer which has a flexible structure in its main chain and thus exhibits a high toughness and can difficultly be deteriorated in its mechanical properties and thermal properties even when sulfonated, a sulfonic acid group-containing polymer obtained by the sulfonation of the polymer, and a proton-conductive membrane having an excellent mechanical strength and durability made of the sulfonic acid group-containing polymer.Type: ApplicationFiled: March 26, 2002Publication date: December 12, 2002Applicant: JSR CORPORATIONInventors: Kohei Goto, Masayuki Takahashi, Yoshitaka Yamakawa, Makoto Higami
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Patent number: 6469124Abstract: The invention relates to a polyphenylene ether resin containing residual aliphatic unsaturation as well as composites, blends, and articles made from the polyphenylene ether resin containing residual aliphatic unsaturation. Also included are reaction products between the polyphenylene ether resin containing residual aliphatic unsaturation and other resins and unsaturated resin formulations, e.g., thermosetting polyesters, acrylics, bismaleiimides, silicones, and allylics, and thermoplastics such as polyolefins, styrenics, rubbers, etc.Type: GrantFiled: December 18, 2001Date of Patent: October 22, 2002Assignee: General Electric CompanyInventors: Adrianus J.F.M. Braat, Herbert Shin-I Chao, Hua Guo, Juraj Liska, Gary William Yeager
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Patent number: 6462148Abstract: A resin composition useful as an adhesive film and insulating material for a multilayer wiring substrate or electronic parts comprises (A) a polymer containing a quinoline ring represented by the formula (1) in the structure such as 6,6′-bis(2-(4-fluorophenyl)-4-phenylquinoline) and 4,4′-(1,1,1,3,3,3-hexafluoro-2,2-propylidene)bisphenol, and (B) a bismaleimide compound represented by the formula (2) such as 2,2-bis((4-maleimidophenoxy)phenyl)propane.Type: GrantFiled: October 7, 1999Date of Patent: October 8, 2002Assignee: Hitachi Chemical Co., Ltd.Inventors: Masahiro Suzuki, Shin Nishimura, Masao Suzuki, Akio Takahashi, Akira Kageyama, Yoshihiko Honda, Toshiyasu Kawai, Shinji Iioka, Yoshihiro Nomura
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Patent number: 6451932Abstract: A novel resin composite consists of a thermosetting resin or photosensitive resin and a thermoplastic resin and has a quasi-homogeneous compatible structure not only having properties inherent to the thermosetting or photosensitive resin but also exhibiting values of properties higher than those inherent to the thermoplastic resin.Type: GrantFiled: April 19, 2000Date of Patent: September 17, 2002Assignee: Ibiden Co., Ltd.Inventors: Dong Dong Wang, Motoo Asai