Patents Assigned to I.P. Holdings
  • Patent number: 6426423
    Abstract: This invention relates to improved methods for treating phosphatide-containing mixtures. More particularly, this invention relates to methods for recovering purified vegetable oil, aqueous organic acid, and organic acid-treated phosphatide from a phosphatide-containing mixture comprising an acid-and-oil mixture obtained from organic acid refining of vegetable oil.
    Type: Grant
    Filed: February 2, 2001
    Date of Patent: July 30, 2002
    Assignee: I.P. Holdings
    Inventors: Dick Copeland, W. Maurice Belcher
  • Patent number: 6423857
    Abstract: This invention relates to improved methods for recovering fatty acids during purification of vegetable oil. More particularly, this invention relates to improved methods for recovering fatty acids from a phosphatide-containing material obtained from organic acid refining of vegetable oil.
    Type: Grant
    Filed: March 14, 2001
    Date of Patent: July 23, 2002
    Assignee: I.P. Holdings
    Inventors: Dick Copeland, W. Maurice Belcher