Patents by Inventor Yo Osada

Yo Osada has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Selective adsorbent for CO and method of manufacturing the same
    Patent number: 4783433
    Abstract: This invention proposes an adsorbent containing mainly Cu(I) ion-exchanged and carried in a cation exchange site of a zeolite at an ion exchange ratio of not less than 50%, the zeolite having a silica/alumina ratio of not more than 10, and a salt of a least one metal selected from the group consisting of Cu(I), Fe, Zn, Ni, and Mg, the metal salt being dispersed and carried in pores of the zeolite. This invention also proposes a method of manufacturing the above adsorbent.
    Type: Grant
    Filed: November 10, 1986
    Date of Patent: November 8, 1988
    Assignee: Nippon Kokan Kabushiki Kaisha
    Inventors: Kazuo Tajima, Yo Osada
  • Method of separating carbon monoxide and carbon monoxide adsorbent used in this method
    Patent number: 4743276
    Abstract: In a method of the invention for selectively adsorbing CO in a gas mixture containing at least CO and CO.sub.2 with an adsorbent and desorbing the adsorbed CO, the adsorbent carries one metal or a mixture of metals selected from Ni, Mn, Rh, Cu(I) and Ag, and an adsorption temperature is set to be 50.degree. to 250.degree. C. to allow a single-step treatment.
    Type: Grant
    Filed: December 31, 1986
    Date of Patent: May 10, 1988
    Assignee: Nippon Kokan Kabushiki Kaisha
    Inventors: Taisuke Nishida, Kazuo Tajima, Yo Osada, Osamu Shigyo, Hiroaki Taniguchi