Patents by Inventor Herbert C. Shaw

Herbert C. Shaw 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 adsorption of NO.sub.x from gas streams
    Patent number: 4153429
    Abstract: In the process for selectively adsorbing NO.sub.x from nitric acid plant acid absorber tower tail gas streams wherein the tailgas stream, comprising water vapor, oxygen, nitrogen and unreacted NO.sub.x is first dried by passage through a silica adsorbent mass and thereafter the NO.sub.x is selectively adsorbed in a zeolitic molecular sieve bed, the improvement which comprises utilizing as the molecular sieve adsorbent a zeolite Y composition having a high degree of ionic character coupled with a high degree of acid stability.
    Type: Grant
    Filed: May 21, 1975
    Date of Patent: May 8, 1979
    Assignee: Union Carbide Corporation
    Inventors: William G. Matthews, Herbert C. Shaw