Patents by Inventor Thomas E. Pinder

Thomas E. Pinder 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).

  • Vermiculite flotation promoter
    Patent number: 4710285
    Abstract: An improved method for the froth flotation recovery and/or grade of vermiculite from vermiculite containing rock and clay. It uses a composition comprising oil and between 2-60% by weight of an alkyl phenol formaldehyde condensation product.
    Type: Grant
    Filed: December 4, 1986
    Date of Patent: December 1, 1987
    Assignee: Nalco Chemical Company
    Inventors: Anthony E. Gross, Richard D. Christie, Thomas E. Pinder