Patents Examined by Tae Yoon
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Patent number: 6174602Abstract: A spontaneously degradable fiber excellent in bulkiness, softness, stretchability and feeling, which comprises (A) a low heat-shrinkable fiber component comprising a high crystalline aliphatic polyester and (B) a high heat-shrinkable fiber component comprising an aliphatic polyester, e.g., a low crystalline or non-crystalline aliphatic polyester, and a block copolymer or a mixture the main component of which is an aliphatic polyester and which comprises a high-melting component and a low-melting component. Further, fibers excellent in self-crimpability or self-adhesion property and dividable fibers are obtained by suitably combining the fiber components (A) and (B) to form conjugated fibers or composite yarns.Type: GrantFiled: November 13, 1998Date of Patent: January 16, 2001Assignees: Shimadzu Corporation, Kanebo, Ltd.Inventors: Masao Matsui, Eiichi Ozeki, Yoshikazu Kondo, Hiroshi Kajiyama
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Patent number: 6174354Abstract: The invention provides an ink comprising a coloring material, a solvent for dissolving or dispersing the coloring material, and an amphoteric polymer having both anionic and cationic groups. The invention also provides an ink-jet recording process and apparatus using such an ink.Type: GrantFiled: April 2, 1996Date of Patent: January 16, 2001Assignee: Canon Kabushiki KaishaInventors: Yoshihisa Takizawa, Yoshifumi Hattori, Mayumi Yamamoto, Mikio Sanada
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Patent number: 6172158Abstract: The vinylidene chloride-based latex of the invention has a chlorine ion content reduced to or below 500 ppm based on the total concentration of all solid matter in the latex by weight, preferably by dialysis, and has excellent resistance to hot water treatment.Type: GrantFiled: October 20, 1999Date of Patent: January 9, 2001Assignee: Asahi Kasei Kogyo Kabushiki KaishaInventors: Hideki Sakai, Yukio Yamawaki, Masahisa Yokota
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Patent number: 6166143Abstract: A thermoplastic elastomer composition containing a component (A) (thermoplastic polyolefin resin), component (B) (epoxy-group-containing ethylene acrylic ester copolymer rubber), and component (C) (acid-modified polyolefin resin) comprising a continuous phase of the component (A) in which the component (B) is dispersed as a dispersed phase and is cross-linked by a peroxide; a thermoplastic elastomer composition comprising a continuous phase of a thermoplastic polyolefin resin (A) and a dispersed phase of an epoxy-group-containing ethylene-acrylic ester copolymer rubber component (B) and acrylonitrile butadiene rubber component (C), which is dynamically cross-linked; and a hose having an inner tube, at least one reinforcing layer, and an outer cover, wherein the inner tube and the outer cover contain a thermoplastic elastomer composition comprised of a thermoplastic resin in which is blended an at least partially cross-linked elastomer component, the reinforcing layer is a brass-plated wire, and the reinforcinType: GrantFiled: July 2, 1998Date of Patent: December 26, 2000Assignee: The Yokohama Rubber Co., Ltd.Inventors: Jiro Watanabe, Yuichi Hara, Daisuke Irii, Takashi Satoh, Gou Kawaguchi, Shigeru Yamauchi, Susumu Hatanaka, Noriaki Kuroda
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Patent number: 6166262Abstract: Branched-chain olefins are prepared and used as feedstocks in the manufacture of detersive surfactants.Type: GrantFiled: October 13, 1998Date of Patent: December 26, 2000Assignee: The Procter & Gamble CompanyInventor: Daniel Stedman Connor
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Patent number: 6166109Abstract: The present invention relates to the use of hollow microspheres filled with a hydrocarbon, to introduce uniform cell geometries in syntactic foams having a bimodal cell structure. The rigid foam product includes from 20 to 80 percent by weight of the hollow microspheres, the microspheres having average diameters ranging from 80 to 200 microns. The microspheres are encapsulated from 80 to 20 percent by weight of a closed cell polyurethane foam, the cells of the foam having average diameters from 0.01 to 60 microns.Type: GrantFiled: September 23, 1998Date of Patent: December 26, 2000Assignee: Bayer CorporationInventors: Kieth G. Spitler, William J. Nicola, Carl E. Holsinger
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Patent number: 6162866Abstract: Thermoplastic molding compositions comprise:______________________________________ A) from 20 to 96% by weight of star polymers obtainable by polymerizing vinylaromatic monomers with a branched monomer building block which contains at least two vinylaromatic functions, B) from 3 to 50% by weight of copolymers comprising vinylaromatic monomers, 1,1-diphenylethylene and, if desired, dienes, C) from 1 to 15% by weight of polyarylene ethers, D) from 0 to 5% by weight of nucleating agents, E) from 0 to 5% by weight of antioxidants, F) from 0 to 5% by weight of stabilizers, and G) from 0 to 50% by weight of fibrous or particulate fillers.Type: GrantFiled: August 12, 1999Date of Patent: December 19, 2000Assignee: BASF AktiengesellschaftInventors: Josef Wunsch, Konrad Knoll, Hermann Gausepohl
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Patent number: 6160042Abstract: A low viscosity high thermal conductivity polymer-based boron nitride composition and a surface-treated boron nitride material for use as a filler in this composition, and methods of preparation is described.Type: GrantFiled: October 1, 1998Date of Patent: December 12, 2000Assignee: Edison Polymer Innovation CorporationInventor: Hatsuo Ishida
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Patent number: 6156445Abstract: The present invention provides an ablatively photodecomposable polymer having a photoabsorber bound to the polymer (the "ablatively photodecomposable polymer") which does not phase separate, nor does it crystallize. The ablatively photodecomposable polymer provides even ablation, high resolution and in preferred embodiments, can withstand potassium permanganate etchant and ferric chloride etchant. The ablatively photodecomposable polymer is strippable, although it can remain on the substrate if desired. The ablatively photodecomposable polymer comprises a polymer to which a photoabsorber is bound, either covalently or ionically. The present invention is also directed to a process for forming a metal pattern on a substrate employing the ablatively photodecomposable polymer.Type: GrantFiled: February 24, 1998Date of Patent: December 5, 2000Assignee: International Business Machines CorporationInventors: Francis Charles Burns, William Weathers Fleming, Victor Yee-Way Lee, Randy William Snyder
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Patent number: 6156824Abstract: There is provided a lubricating polymer-containing liquid which comprises a film-forming lubricating polymer, preferably a fluoropolymer, and a liquid medium predominantly comprised of cyclic hydrofluorocarbon wherein said lubricating polymer is dissolved or dispersed. A lubricative polymer film of good performance is formed by coating, for example, a magnetic recording hard disk, an ink jet recording head or a cleaning blade of an image-forming device with the lubricating polymer containing liquid, and then removing the liquid medium.Type: GrantFiled: September 21, 1998Date of Patent: December 5, 2000Assignee: Nippon Zeon Co., Ltd.Inventors: Toshiro Yamada, Kuniaki Goto, Noriyasu Ohtsuki
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Patent number: 6153808Abstract: In a method for separating at least one alkylnaphthalene from a stock mixture containing at least two alkylnaphthalenes selected from the group consisting of monoalkylnaphthalenes and dialkylnaphthalenes, a column packed with an optically active chromatographic packing is used for separation. The method can effectively separate a variety of alkylnaphthalenes from a mixture thereof.Type: GrantFiled: October 2, 1998Date of Patent: November 28, 2000Assignee: Kabushiki Kaisha Kobe Seiko ShoInventors: Masahiro Motoyuki, Koji Yamamoto, Shingo Yoshida, Yonezo Matsumoto, Hisako Nakashima, Midori Kumazawa, Masaaki Matsuda
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Patent number: 6150436Abstract: This invention relates to materials containing polyreaction products, which contain reaction products of dicarboxylic acids or polycarboxylic acids or derivatives thereof with epoxidation products of carboxylic acid esters and at least one filler, methods for the production thereof, and the use thereof for the production of planar structures based on renewable raw materials.Type: GrantFiled: June 24, 1999Date of Patent: November 21, 2000Assignee: DLW AktiengesellschaftInventors: Bernd Kastl, Milko Ess, Hanns-Jorg Mauk
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Patent number: 6143807Abstract: An aqueous ink jet ink composition having a pigment wherein at least 50% of the pigment particles have an average diameter or size .ltoreq.0.3 microns with the remaining particles in the ink composition having a diameter or size .ltoreq.3.0 microns, water, a dispersant which is a reaction product of an aldehyde and a naphthalene sulfonate salt, and/or a sulfone solvent. The aqueous ink jet ink possesses a latency of at least 10 seconds at a relative humidity of 15% in either a high resolution (>360 spi) printhead or full-width array printhead having at least one nozzle opening of a diameter or size ranging from 10 to about 49 microns.Type: GrantFiled: March 4, 1997Date of Patent: November 7, 2000Assignee: Xerox CorporationInventors: John Wei-Ping Lin, Gary R. Fague, Raymond R. Wong
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Patent number: 6140435Abstract: Cross-linked copolymers possessing high thickening and suspending properties obtainable by polymerization of monomeric systems comprising a) 10-97% of at least one unsaturated carboxylic acid, b) 0-80% of at least one alkyl ester of an unsaturated acid, c) 0.5-80% of an associative monomer, d) 0-20% of an unsaturated amide, e) 0.2-20% of a suitable cross-linking agent and f) 0-20% of an unsaturated sulfonic acid; processes for their preparation, which comprise polymerization by precipitation, suspension and solution polymerizations or emulsion polymerization; latexes comprising up to 50% or more of said copolymers; said cross-linked copolymers and said latexes whenever prepared by the above polymerization processes; their use as thickening agents of aqueous, or substantially aqueous systems; and the new cross-linking agents.Type: GrantFiled: April 8, 1998Date of Patent: October 31, 2000Assignee: 3V, Inc.Inventor: Matteo Zanotti-Russo
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Patent number: 6140423Abstract: A chlorinated vinyl chloride resin composition, which is suitably used for the production of extruded pipes, containing a chlorinated vinyl chloride resin which has a polymerization degree of from 600 to 1500 prior to chlorination and a chlorination degree of from 62 to 70 wt. %, methyl methacrylate-butadiene-styrene copolymer particles having a butadiene content of less than 60 wt. % and a styrene content of larger than 30 wt. % in the whole particles, and a chlorinated polyethylene having a chlorine content of from 10 to 50 wt. %, in which the methyl methacrylate-butadiene-styrene copolymer particles have an average dispersed particle size of 2,000 angstroms or less in an extruded pipe produced from the composition.Type: GrantFiled: December 22, 1998Date of Patent: October 31, 2000Assignee: Kaneka CorporationInventors: Takeyuki Suzuki, Toshio Okuhara, Minoru Isshiki
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Patent number: 6136447Abstract: Silicone rubber composition comprising an alkenyl-substituted diorganopolysiloxane, an inorganic filler, an organopolysiloxane that contains at least two silicon-bonded hydrogen atoms in each molecule, in a quantity that affords a value from 0.4 to 10 for the molar ratio of silicon-bonded hydrogen in the organopolysiloxane to alkenyl groups in the alkenyl-substituted diorganopolysiloxane, an organohydrogenpolysiloxane, in a quantity that affords a value from 0.01 to 0.5 for the molar ratio of silicon-bonded hydrogen in this component to alkenyl groups in the alkenyl-substituted diorganopolysiloxane, and a platinum catalyst.A fluororesin-covered fixing roll in which a fluororesin layer is placed over the circumference of a roll shaft with a silicone rubber layer interposed between the fluororesin layer and the roll shaft, wherein said silicone rubber composition is formed by curing the silicone rubber composition described above.Type: GrantFiled: January 24, 2000Date of Patent: October 24, 2000Assignee: Dow Corning Toray Silicone Co., Ltd.Inventors: Akito Nakamura, Yoshito Ushio
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Patent number: 6133372Abstract: Aqueous polymer dispersions are produced by polymerizing monoethylenically unsaturated monomers bearing acid groups in an acid, partially or totally neutralized form, optionally with other monomers that can be copolymnerized therewith in the presence of hydrophilized vegetable, animal and/or synthetic fats or oils. Also disclosed is a process for preparing the same, their use for preparing oil-in-water emulsions by admixture of another oil phase composed of vegetable, animal or synthetic oils and/of fats and/or non-self-emulsifying silicones, and their use in the field of wet currying of leather or pelts.Type: GrantFiled: December 23, 1998Date of Patent: October 17, 2000Assignee: Stockhausen GmbH & Co. KGInventors: Helmut Lohmann, Thomas Muller, Waldemar Inger, Stephan Ramlow
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Patent number: 6132641Abstract: Soluble poly(bis-9,9'-fluorenes) comprise identical or different structural repeating units of the formula I, ##STR1## where the two R.sub.1 s are, independently of one another, H, C.sub.1-C.sub.18 alkyl, C.sub.6 -C.sub.14 aryl, C.sub.7 -C.sub.15 aralkyl, C.sub.1 -C.sub.18 alkoxy, R.sub.2 --(O--C.sub.n H.sub.2n).sub.m --O--, C.sub.1 -C.sub.18 alkylthio, C.sub.1 -C.sub.18 dialkylamino, --C(O)OH, --C(O)O-C.sub.1 -C.sub.18 alkyl, --C(O)--N(C.sub.1 -C.sub.18 alkyl).sub.2, --SO.sub.3 H, --SO.sub.3 -C.sub.1 -C.sub.18 alkyl, --SO.sub.2 --N(C.sub.1 -C.sub.18 alkyl).sub.2, C.sub.1 -C.sub.17 -alkyl-C(O)--O-- or C.sub.1 -C.sub.17 alkyl-C(O)--, R.sub.2 is H or C.sub.1 -C.sub.12 alkyl, n is from 2 to 6 and m is from 1 to 12.The polymers can be used either alone or in admixture with at least one additional fluorophore whose absorption band overlaps the emission band (fluorescent emission) of the polymer of the formula I as active radiative layer for light-emitting diodes, VDUs and display elements.Type: GrantFiled: May 29, 1998Date of Patent: October 17, 2000Assignee: Vantico, Inc.Inventors: Ralf-Roman Rietz, Wolfgang Wernet
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Patent number: 6133373Abstract: A water-borne fluoroelastomer composition comprising an aqueous dispersion of a fluoroelastomer polymer, from about 2 to about 30 parts by weight per one hundred parts by weight of polymer of a curative system, said curative system having been formed by blending from about 6 to about 94 parts by weight of a stabilized siloxane and from about 94 to about 6 parts by weight of a non-stabilized silane, where said stabilized siloxane and said non-stabilized silane total about one hundred parts by weight of the curative system, from 0 to about 40 parts by weight of an additive filler per one hundred parts by weight of polymer, and sufficient water to provide a composition having a solids content of from about 10 to about 80 percent by weight of the total composition.Type: GrantFiled: December 21, 1998Date of Patent: October 17, 2000Assignee: Lauren International, Inc.Inventors: Pavel Kirochko, James G. Kreiner
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Patent number: 6130282Abstract: A flame retardant resin composition comprising (A) 100 parts by weight of a synthetic resin, (B) 20 to 150 parts by weight of magnesium hydroxide particles and (C) 20 to 150 parts by weight of aluminum hydroxide particles, wherein the magnesium hydroxide particles and the aluminum hydroxide particles satisfy the following conditions (i) to (v): (i) the average secondary particle diameter measured by a microtrack method is 0.4 to 4 .mu.m; (ii) the specific surface measured by a BET method is 1 to 15 m.sup.2 /g; (iii) the total content of an iron compound and a manganese compound is 200 ppm or less in terms of metals (Fe+Mn); (iv) the ratio of the specific surface measured by the BET method to the specific surface measured by a Blaine method is 1 to 4; and (v) the content of a water-soluble sodium salt is 500 ppm or less in terms of metal sodium.Type: GrantFiled: September 29, 1998Date of Patent: October 10, 2000Assignee: Kyowa Chemical Industry Co LtdInventors: Takeshi Imahashi, Keiko Katsuki, Noriko Iijima, Makoto Yoshii