Patents by Inventor Nathan Millman

Nathan Millman 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).

  • Improved method of beneficiating clay by removal of titanium and iron impurities
    Patent number: 4088732
    Abstract: A method of beneficiating kaolin clay by the addition of non-dispersing neutral salts to assist in the removal of discolored impurities, such as titanium and iron bearing minerals from a clay slurry. This process is capable of producing clays having a brightness in the 90- 95 range.
    Type: Grant
    Filed: January 21, 1977
    Date of Patent: May 9, 1978
    Assignee: J. M. Huber Corporation
    Inventors: Robert N. Maynard, Bobby R. Skipper, Nathan Millman