Patents Examined by E. D. McFarlane
  • Method for preparing hydrazinolysis catalyst
    Patent number: 5286701
    Abstract: A catalyst for hydrazinolysis having high catalytic activity and long life concurrently with high thermal resistance is disclosed. The catalyst is composed of an alumina support having a substantially extended specific surface area and iridium being substantially supported thereon. The alumina support is prepared by the steps of adding aluminum alkoxide into hexyleneglycol (2-methyl-2, 4-pentanediol), heating at temperatures between 100.degree. and 200.degree. C. to form a sol, hydrolyzing the sol to a gel, and drying and calcining the gel.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: February 15, 1994
    Assignees: Agency of Industrial Science and Technology, Nissan Motor Company, Ltd.
    Inventors: Fujio Mizukami, Tsuneji Sano, Koji Masuda