Patents Assigned to General Director of the Agency of Industrial Science and Technology, Seiichi Ishizaka
  • Anti-ulcer composition comprising terpenoid containing two functional groups and method of treating ulcers
    Patent number: 4435423
    Abstract: A process for the preparation of a two-functional-group-containing terpenoid having the general formula: ##STR1## in which n is an integer of from 1 to 5, R represents a hydroxymethyl, formyl or carboxyl group, and A represents the hydrogen atom, or a 2-tetrahydropyranyl, benzyl, methoxymethol or methoxyethoxymethyl group comprising the oxidation with a microorganism belonging to the genus Nocardia. Some of the terpenoids are of value as anti-ulcer agents, while others are useful as intermediates.
    Type: Grant
    Filed: March 22, 1982
    Date of Patent: March 6, 1984
    Assignees: Eisai Co., Ltd., General Director of the Agency of Industrial Science and Technology, Seiichi Ishizaka
    Inventors: Akio Sato, Kenji Nakajima, Yoshimasa Takahara, Shizumasa Kijima, Noriaki Kuwana, Shinya Abe, Kouzi Yamada