Patents by Inventor James Summerfield

James Summerfield 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).

  • REMOVING COLLOIDAL COBALT FROM AN AQUEOUS COMPOSITION
    Publication number: 20190143297
    Abstract: A method of removing colloidal cobalt from an aqueous composition comprising bringing the aqueous composition into contact with a vinyl aromatic resin, wherein the vinyl aromatic resin comprises benzyl alcohol groups, benzyl ether groups, and methylene bridge groups, wherein the vinyl aromatic resin has a chlorine content, by weight based on the weight of resin, of 10,000 ppm or less.
    Type: Application
    Filed: June 19, 2017
    Publication date: May 16, 2019
    Inventors: William Carlin, John C. Rohanna, Alfred K. Schultz, James Summerfield