Patents by Inventor Ei Oigo

Ei Oigo 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).

  • Separation of carbon monoxide from nitrogen with Ba exchanged zeolite X
    Patent number: 4765808
    Abstract: A crystalline zeolite having, except for water crystallization, the formula:Ba.sub.43x Na.sub.86(1-x) [(AlO.sub.2).sub.86 (SiO.sub.2).sub.104 ](I)wherein x is a number from 0.6 to 0.8. This crystalline zeolite can be mixed with a binder, followed by the calcination. Thus, a zeolitic molecular sieve agglomerate suitable for use in the separation and/or removal of a specific component (e.g., carbon monoxide, oxygen, carbon dioxide, or water vapor) from a fluid stream containing the same.
    Type: Grant
    Filed: September 28, 1987
    Date of Patent: August 23, 1988
    Assignee: Union Showa Kabushiki Kaisha
    Inventors: Ei Oigo, Yoshitaka Noguchi