Patents Assigned to Shiraimatsu Shinyaku Company, Ltd.
  • Deodorant compositions
    Patent number: 4501730
    Abstract: Potent, long acting deodorant compositions are produced from isolates of the theaceae plant which isolates are produced by dry-distillation of all or a part of said plant.
    Type: Grant
    Filed: June 19, 1984
    Date of Patent: February 26, 1985
    Assignee: Shiraimatsu Shinyaku Company Ltd.
    Inventors: Kuniyoshi Torii, Chikashi Egma
  • Process for preparing anthocyans from corresponding flavonoid glycosides
    Patent number: 4255563
    Abstract: A process for preparing anthocyans by reducing the corresponding flavonoid glycosides with a metal and acid at temperatures not higher than 30.degree. C. under acidic conditions, precipitating the anthocyans formed from the reduction reaction as a metal salt by neutralizing the reaction solution with an alkali and isolating the free anthocyans by decomposing the metal salt with concentrated hydrochloric acid.
    Type: Grant
    Filed: February 2, 1979
    Date of Patent: March 10, 1981
    Assignee: Shiraimatsu Shinyaku Company, Ltd.
    Inventors: Kazuo Wakihira, Satoshi Kikumoto, Hiroshi Kigawa, Osamu Nozaki, Michio Minami