Patents by Inventor Stanford T. Holbrook

Stanford T. Holbrook 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 the preparation of nitric acid
    Patent number: 4062928
    Abstract: A process for the preparation of nitric acid from nitrogen oxides, oxygen and water which utilizes an aqueous stripping liquid having a nitric acid content within a specified range which passes through a reaction zone. By controlling the process parameters within specified ranges three regions are provided with the reaction zone.
    Type: Grant
    Filed: March 17, 1977
    Date of Patent: December 13, 1977
    Assignee: American Hydrocarbon Company
    Inventors: James M. Applegate, Stanford T. Holbrook, Wayne A. Proell, Clifford E. Selin