Patents Assigned to Meiji Milk Prod. Co., Ltd.
  • Anti-inflammatory, stable aqueous preparation comprising azulene sodium sulfonate and polyhydric alcohol
    Patent number: 5411993
    Abstract: Aqueous solution preparations which comprise azulene sodium sulfonate as an active ingredient and 20 w/v % or more of a polyhydric alcohol are disclosed wherein azulene sodium sulfonate is stable in the preparation for a prolonged period of time is suited for use in treating inflammation of the oral cavity and/or throat.
    Type: Grant
    Filed: July 12, 1993
    Date of Patent: May 2, 1995
    Assignees: Nihon Tenganyaku Kenkyusho Co, Ltd., Meiji Milk Prod. Co., Ltd.
    Inventors: Tokihiko Yamamoto, Tomoyuki Yamaoka, Yoshiaki Yoshida, Kazuo Shin, Hiromitu Aonuma, Tutomu Tanaka