Patents by Inventor Oren E. Berwaldt

Oren E. Berwaldt 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).

  • Patent number: 4477418
    Abstract: In a process for the separation of oxygen from a gas stream by adsorption, the improvement comprising using, as the adsorbent, a compound have the formula M.sub.x [M'(CN).sub.6 ].sub.ywherein M is an element having an atomic number of 21, 25 to 30, 39, 50, or 57 to 59;M' is an element having an atomic number from 24 to 27; andx and y are positive whole numbers such that the sum of the valence of M times x plus the valence of [M'(CN.sub.6)] times y is equal to zero.
    Type: Grant
    Filed: August 23, 1983
    Date of Patent: October 16, 1984
    Assignee: Union Carbide Corporation
    Inventors: Joseph T. Mullhaupt, Oren E. Berwaldt