Patents by Inventor Steven T. Council

Steven T. Council 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).

  • Method of making bleaching clay
    Patent number: 6365536
    Abstract: A bleaching clay having an enhanced bleaching performance in oils is produced by first beneficiating a raw clay to remove sand and thereafter conditioning and then concentrating the beneficiated clay with a pH modifier and a Lewis acid salt.
    Type: Grant
    Filed: May 5, 2000
    Date of Patent: April 2, 2002
    Assignee: Oil-Dri Corporation of America
    Inventors: Steven T. Council, Marc A. Herpfer, Dov Shaked
  • Sorptive purification for edible oils
    Patent number: 6346286
    Abstract: Pre-treatment sorbents suitable for sorptive pre-treatment of edible oils prior to bleaching are produced by mixing a clay mineral composition with a dry granular organic acid.
    Type: Grant
    Filed: April 26, 1995
    Date of Patent: February 12, 2002
    Assignee: Oil-Dri Corporation of America
    Inventors: Steven T. Council, G. Robert Goss, Dov Shaked