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4520000 Process for production of carbon black
Carbon Vol. 24, No, 3, pa. I-IV. Printed in Great Britain.
1986 0
WS-6223186 1986 Pergamon
13 iw)+ 00 lournals Ltd.
NEW PATENTS This Section contains abstracts and, where appropriate, illustrations of recently issued United States patents and published patent applications filed from over 30 countries under the Patent Cooperation Treaty. This information was obtained from recent additions to the Pergamon PATSEARCH” online database in accordance with interest profiles developed by the Editors. Further information about Pergamon PATSEARCH K can be obtained from Pergamon InfoLine inc., 1340 Old Chain Bridge Road, McLean, Virginia 22101 U.S.A. Copies of complete patents announced in this Section are available from Pergamon InfoLine Inc. for $8 per copy. Pavment with order is reauired. Orders outside North America add $2 for air postage. Order by patent number fo; Pergamon InfoLine c&y.
4520000 PROCESS FOR PRODUCTION CARBON BLACK
based fibers. The spun yarn has a twist coefficient of 30 to 60.
OF
John Casperson, Paul D Hann assigned to Phillips Petroleum Company
4521294 STARTING PITCHES FOR CARBON FIBERS Seiichi Uemura, Shunich Yamamoto, Takao Hirose, Hiroak Takashima, Osamu Kato, Tokyo, Japan assigned to Nippon Oil Co Ltd
A carbon black reactor employs the following components to produce non-uniform gas flow patterns. (a) a precombustion chamber skewed at an angle of 30-60 degrees from the reactor axis, comprising: (1) offset tangential hot gas entries (2) axial or of&et multiple oil feed entries (b) an optional venturi which can be offset from the reactor axis and/or asymmetric in form.
4520623 ACTIVATED CARBON FIBER SPUN YARN Hiroyasu Ogawa, Kazuo Izumi, Kenji Shimazaki, Shizuoka, Japan assigned to Toho Beslon Co Ltd An activated carbon fiber spun yam having excellent workability and adsorptive property is disclosed. The activated carbon fiber spun yarn comprising activated carbon fibers having a specific surface area of 500 to 1,500 m2/g, a ductility of at least 0.5x, and a tensile strength of at least 10 kg/mm2 and derived from acrylonitrile-
A starting pitch for carbon fibers, obtained by (A) mixing together (1) a heavy fraction oil boiling at not lower than 200 degrees C. obtained at the time of fluidized catalytic cracking of petroleum, (2) a hydrogenated oil selected from aromatic hydrocarbons of 2-10 rings having their nuclei partly hydrogenated and specific fractions boiling at 160 degrees-650 degrees C. and containing such aromatic hydrocarbons and (3) a heavy fraction oil boiling at not lower than 200 degrees C. obtained at the time of steam cracking of petroleum, to form a mixture of the oils (l), (2) and (3), and then (B) heat treating the thus formed oil mixture at 370 degrees-480 degrees C. and 2-50 Kgicm2.G thereby to obtain the starting pitch.
4522801 PROCESS FOR PRODUCING CARBON FIBER OR GRAPHITE FIBER Osamu Yoshinari, Yoshifumi Kawakatsu, Hideaki Fukuizumi, Shizuoka, Japan assigned to Toho Beslon Co Ltd High-performance carbon fiber or graphite fiber can be produced by treating the preoxidized fiber
1986 0
WS-6223186 1986 Pergamon
13 iw)+ 00 lournals Ltd.
NEW PATENTS This Section contains abstracts and, where appropriate, illustrations of recently issued United States patents and published patent applications filed from over 30 countries under the Patent Cooperation Treaty. This information was obtained from recent additions to the Pergamon PATSEARCH” online database in accordance with interest profiles developed by the Editors. Further information about Pergamon PATSEARCH K can be obtained from Pergamon InfoLine inc., 1340 Old Chain Bridge Road, McLean, Virginia 22101 U.S.A. Copies of complete patents announced in this Section are available from Pergamon InfoLine Inc. for $8 per copy. Pavment with order is reauired. Orders outside North America add $2 for air postage. Order by patent number fo; Pergamon InfoLine c&y.
4520000 PROCESS FOR PRODUCTION CARBON BLACK
based fibers. The spun yarn has a twist coefficient of 30 to 60.
OF
John Casperson, Paul D Hann assigned to Phillips Petroleum Company
4521294 STARTING PITCHES FOR CARBON FIBERS Seiichi Uemura, Shunich Yamamoto, Takao Hirose, Hiroak Takashima, Osamu Kato, Tokyo, Japan assigned to Nippon Oil Co Ltd
A carbon black reactor employs the following components to produce non-uniform gas flow patterns. (a) a precombustion chamber skewed at an angle of 30-60 degrees from the reactor axis, comprising: (1) offset tangential hot gas entries (2) axial or of&et multiple oil feed entries (b) an optional venturi which can be offset from the reactor axis and/or asymmetric in form.
4520623 ACTIVATED CARBON FIBER SPUN YARN Hiroyasu Ogawa, Kazuo Izumi, Kenji Shimazaki, Shizuoka, Japan assigned to Toho Beslon Co Ltd An activated carbon fiber spun yam having excellent workability and adsorptive property is disclosed. The activated carbon fiber spun yarn comprising activated carbon fibers having a specific surface area of 500 to 1,500 m2/g, a ductility of at least 0.5x, and a tensile strength of at least 10 kg/mm2 and derived from acrylonitrile-
A starting pitch for carbon fibers, obtained by (A) mixing together (1) a heavy fraction oil boiling at not lower than 200 degrees C. obtained at the time of fluidized catalytic cracking of petroleum, (2) a hydrogenated oil selected from aromatic hydrocarbons of 2-10 rings having their nuclei partly hydrogenated and specific fractions boiling at 160 degrees-650 degrees C. and containing such aromatic hydrocarbons and (3) a heavy fraction oil boiling at not lower than 200 degrees C. obtained at the time of steam cracking of petroleum, to form a mixture of the oils (l), (2) and (3), and then (B) heat treating the thus formed oil mixture at 370 degrees-480 degrees C. and 2-50 Kgicm2.G thereby to obtain the starting pitch.
4522801 PROCESS FOR PRODUCING CARBON FIBER OR GRAPHITE FIBER Osamu Yoshinari, Yoshifumi Kawakatsu, Hideaki Fukuizumi, Shizuoka, Japan assigned to Toho Beslon Co Ltd High-performance carbon fiber or graphite fiber can be produced by treating the preoxidized fiber