Patents by Inventor David A. Csejka

David A. Csejka 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).

  • Composition for accelerating oxygen removal comprised of a mixture of aqueous hydrazine and an aryl amine compound
    Patent number: 3983048
    Abstract: The rapid removal of dissolved oxygen from aqueous solutions is accomplished by the use of a composition comprised of a mixture of an aqueous solution of hydrazine and a catalytic proportion of an aryl amine compound. The compositions of this invention are particularly useful in the removal of dissolved oxygen from aqueous solutions such as boiler water, thereby inhibiting corrosion of the metal surfaces of the boiler.
    Type: Grant
    Filed: December 10, 1973
    Date of Patent: September 28, 1976
    Assignee: Olin Corporation
    Inventors: Henry W. Schiessl, John D. Kaufman, David A. Csejka