Patents by Inventor Yogo Tukahara

Yogo Tukahara 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).

  • Process for removing a nitrogen gas from mixture comprising N.sub.2 and CO or N.sub.2 ' CO.sub.2 and CO
    Patent number: 4468238
    Abstract: Processes for removing N.sub.2 from a feed gas comprising CO+N.sub.2 or CO, CO.sub.2 +N.sub.2 through PSA by using at least two adsorption columns containing an adsorbent exhibiting selective adsorb property to carbon monoxide which comprises:(i) a step of pressurizing an adsorption column by the feed gas;(ii) a step of introducing the feed gas into the adsorption column, in which step (i) was previously completed, so as to adsorb CO, or CO+CO.sub.
    Type: Grant
    Filed: July 26, 1983
    Date of Patent: August 28, 1984
    Assignees: Osaka Oxygen Industries Ltd., Kawasaki Steel Corporation
    Inventors: Sigeo Matsui, Yogo Tukahara, Shigeki Hayashi, Masahiko Kumagai