Patents Assigned to Kabushiki Kaisha Ueno Seiyako Oyo Kenkyujo
  • Granules of 2-hydroxynaphthalene-3-carboxylic acid and method for preparing the same
    Patent number: 6562998
    Abstract: Granular product of 2-hydroxynaphthalene-3-carboxylic acid with well-suppressed dusting tendency, and process for preparing the same is provided. Granular product of 2-hydroxynaphthalene-3-carboxylic acid having an average particle size of 150 &mgr;m or more and a hardness of 70-3000 g, and a process for preparing the same comprising the steps of dry compressing powdery 2-hydroxynaphthalene-3-carboxylic acid to give compressed material and pulverizing and classifying the same.
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: May 13, 2003
    Assignee: Kabushiki Kaisha Ueno Seiyako Oyo Kenkyujo
    Inventors: Ryuzo Ueno, Masaya Kitayama, Nobutaka Izumichi, Syungo Nara, Masaharu Kittaka
  • Process for producing cured meat products having antibotulinal activity
    Patent number: 4356203
    Abstract: A process for producing meat cured products having antibotulinal activity, which comprises separately adding to meat ascorbic acid or its salt and/or erythorbic acid or its salt in the form of a powder or aqueous solution and (B) a nitrite salt in the form of a powder or aqueous solution.
    Type: Grant
    Filed: October 19, 1981
    Date of Patent: October 26, 1982
    Assignee: Kabushiki Kaisha Ueno Seiyako Oyo Kenkyujo
    Inventors: Ryuzo Ueno, Toshio Matsuda, Tatsuo Kanayama, Kunihiko Tomiyasu, Yatsuka Fujita, Kiyoshi Nagata