Patents by Inventor Robert P. Zajac

Robert P. Zajac 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).

  • Highly adsorptive macroporous polymers
    Patent number: 4307201
    Abstract: A method for preparing macroporous aminotriazine-aldehyde resins by reaction in the presence of an acid catalyst and a miscible porogen. The resin product has high surface area and porosity and displays excellent sorption capacity.
    Type: Grant
    Filed: June 18, 1980
    Date of Patent: December 22, 1981
    Assignee: Diamond Shamrock Corporation
    Inventors: Richard Won, Robert P. Zajac