Patents Assigned to Nippon Hypox Laboratories Inc.
  • Anti-inflammation analgesic preparation
    Publication number: 20030045572
    Abstract: The present invention is concerned with an anti-inflammation analgesic preparation which contains a specific 3-0-substituted ascorbic acid as an active ingredient, shows excellent anti-inflammation analgesic effects and is excellent in shelf life, safety to a skin and endermic absorptivity of the active ingredient.
    Type: Application
    Filed: July 2, 2002
    Publication date: March 6, 2003
    Applicant: NIPPON HYPOX LABORATORIES INC.
    Inventors: Yasunori Niyiro, Shigeru Koda, Satoru Sugiyama
  • Anti-inflammatory analgesic
    Patent number: 6447817
    Abstract: The present invention is concerned with an anti-inflammation analgesic preparation which contains a specific 3-0-substituted ascorbic acid as an active ingredient, shows excellent anti-inflammation analgesic effects and is excellent in shelf life, safety to a skin and endermic absorptivity of the active ingredient.
    Type: Grant
    Filed: January 23, 2001
    Date of Patent: September 10, 2002
    Assignee: Nippon Hypox Laboratories Inc.
    Inventors: Yasunori Niyiro, Shigeru Koda, Satoru Sugiyama
  • Ascorbic acid derivative
    Patent number: 5011949
    Abstract: This invention relates to a novel ascorbic acid derivative having excellent antioxidant action, particularly eliminating action on superoxides and a process for preparing the same.Furthermore, this invention also relates to a novel antioxidant comprising the aforementioned novel ascorbic acid derivative or other known ascorbic acid derivatives.
    Type: Grant
    Filed: July 20, 1989
    Date of Patent: April 30, 1991
    Assignee: Nippon Hypox Laboratories, Inc.
    Inventors: Toshio Satoh, Yasunori Niiro, Hisao Kakegawa, Hitoshi Matsumoto