Patents Assigned to Iwatani Industrial Gases Corp.
  • Patent number: 4656279
    Abstract: A process for the production of decahydroisoquinoline is disclosed which comprises hydrogenating isoquinoline or partially hydrogenated isoquinoline in the presence of a ruthenium catalyst at a temperature of C. to C. under a hydrogen pressure of at least 10 kg/cm.sup.2 .multidot.G.
    Type: Grant
    Filed: December 21, 1984
    Date of Patent: April 7, 1987
    Assignees: Nippon Steel Chemical Co., Ltd., Iwatani Industrial Gases Corp.
    Inventors: Hiroshi Okazaki, Mahito Soeda, Hiromu Wada, Kiyotaka Onishi