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Kunio Koga

age ~83

from Deer Park, TX

Kunio Koga Phones & Addresses

  • Deer Park, TX
  • Houston, TX

Us Patents

  • Method For Improving The Color Of Mtbe, Etbe And Tame

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  • US Patent:
    58472240, Dec 8, 1998
  • Filed:
    Jun 23, 1995
  • Appl. No.:
    8/494235
  • Inventors:
    Kunio Koga - Houston TX
    Misao Mori - Houston TX
  • Assignee:
    Global Octanes Corporation - Houston TX
  • International Classification:
    C07C 4134
  • US Classification:
    568699
  • Abstract:
    A process for improving the color of oxygenates, such as MTBE, ETBE and TAME, which utilizes a hydrogenation treater in the presence of a catalyst, containing at least one noble metal, along with a circulation of hydrogen to remove the color. The process reduces existing color bodies in the oxygenate and may proceed at room temperature and at normal pressure for economically providing a completely clear product having a +30 saybolt number.
  • Method For Improving Conversion Of Isobutylene In Mtbe Process

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  • US Patent:
    54141478, May 9, 1995
  • Filed:
    Aug 24, 1993
  • Appl. No.:
    8/111385
  • Inventors:
    Kunio Koga - Houston TX
  • Assignee:
    Global Octanes Corporation - Deer Park TX
  • International Classification:
    C07C 4106
  • US Classification:
    568697
  • Abstract:
    A method for improving the conversion of isobutylene in the MTBE reaction process while simultaneously producing a substantially methanol-free MTBE utilizes an increased methanol to isobutylene molar ratio in the reaction process and methanol-free C4 hydrocarbons as reflux. The use of a methanol-free C4 hydrocarbon stream as reflux eliminates the excess methanol generated by increasing the methanol to isobutylene molar ratio without requiring a higher reflux ratio or changing operating conditions. The method permits isobutylene conversion of more than 98% while producing a purified MTBE with less than 0. 5% methanol content.

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