Patents Assigned to Otsuka Kagaku Kabushiki Kaisya
  • Interior construction material having deodorizing activity
    Patent number: 7955472
    Abstract: High odor eliminating property is provided to a building material for interiors by compounding a hydrazide compound. Additionally, the odor eliminating property of the building material for interiors is improved and hygroscopicity and size stability at the time of use are provided by adding and compounding an organic carbide, an inorganic hygroscopic material, and a water repellent. Also, an interior structure in which these building materials for interiors are employed is provided.
    Type: Grant
    Filed: August 19, 2009
    Date of Patent: June 7, 2011
    Assignees: Otsuka Kagaku Kabushiki Kaisya, Yoshino Gypsum Co., Ltd.
    Inventors: Yoshinobu Abe, Michio Nishi, Itaru Yokoyama
  • Building material for interiors having odor elilinating property and interior structure of building using the same
    Patent number: 7604853
    Abstract: High odor eliminating property is provided to a building material for interiors by compounding a hydrazide compound. Additionally, the odor eliminating property of the building material for interiors is improved and hygroscopicity and size stability at the time of use are provided by adding and compounding an organic carbide, an inorganic hygroscopic material, and a water repellent. Also, an interior structure in which these building materials for interiors are employed is provided.
    Type: Grant
    Filed: October 9, 2001
    Date of Patent: October 20, 2009
    Assignees: Otsuka Kagaku Kabushiki Kaisya, Yoshino Gypsum Co. Ltd.
    Inventors: Yoshinobu Abe, Michio Nishi, Itaru Yokoyama