Patents Assigned to Osaka Chemical Laboratory Co., Ltd.
  • Patent number: 4594412
    Abstract: A method of isolating soyasaponins which comprises defatting or not defatting the whole plant and/or the seed of a plant belonging to Leguminosae Trifolium, Leguminesae Medicago, Leguminosae Astragalus and Leguminosae Vicia, extracting said whole plant and/or seed with water, an organic solvent miscible with water or a mixture of such organic solvent and water, and isolating soyasaponin I from the extract obtained.
    Type: Grant
    Filed: January 6, 1984
    Date of Patent: June 10, 1986
    Assignee: Osaka Chemical Laboratory Co., Ltd.
    Inventor: Isao Kitagawa
  • Patent number: 4524067
    Abstract: This invention is directed to new saponins isolated from soybean seeds, a method for isolating the same and uses of the saponin component of soybeans as an antioxidant for foodstuffs or cosmetics and as an agent for affecting the metabolism in human beings.
    Type: Grant
    Filed: April 21, 1983
    Date of Patent: June 18, 1985
    Assignee: Osaka Chemical Laboratory Co., Ltd.
    Inventors: Shigeru Arichi, Yoshihiro Uchida
  • Patent number: 4352796
    Abstract: There discloses a substantially alkaloid-free aqueous extract of an aconite root which is the dried tuberous root of Aconitum japonicum or like plant belonging to Ranunculaceae, which is useful as analgesic and antiphlogistic.
    Type: Grant
    Filed: June 11, 1980
    Date of Patent: October 5, 1982
    Assignee: Osaka Chemical Laboratory Co., Ltd.
    Inventors: Shigeru Arichi, Yoshihiro Uchida
  • Patent number: 4317816
    Abstract: This invention is directed to a pharmaceutical composition containing saponin and a method of using the saponin containing composition for preventing and treating adrenal atrophy and other organ diseases.
    Type: Grant
    Filed: July 24, 1980
    Date of Patent: March 2, 1982
    Assignee: Osaka Chemical Laboratory Co., Ltd.
    Inventors: Shigeru Arichi, Yoshihiro Uchida