Patents by Inventor Darryl John Gisch

Darryl John Gisch 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).

  • ANION EXCHANGE RESINS HAVING CONTROLLED NITROSAMINE FORMATION
    Publication number: 20120172465
    Abstract: An anion exchange resin produced comprising providing an anion exchange resin with a nitrosating agent and applying an antioxidant to the resin to inhibit formation of nitrosamines on the anion exchange resin.
    Type: Application
    Filed: December 27, 2011
    Publication date: July 5, 2012
    Inventors: Chris Raymond Eicher, Darryl John Gisch