Patents by Inventor Perry M. Parker

Perry M. Parker 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).

  • Organic acid-treated amorphous silicas for refining glyceride oils
    Patent number: 4939115
    Abstract: Adsorbents comprising organic acid-treated amorphous silicas with effective average pore diameters of about 60 to about 5000 Angstroms are useful in processes for the removal of trace contaminants, specifically phospholipids and associated metal ions, from glyceride oils.
    Type: Grant
    Filed: March 13, 1987
    Date of Patent: July 3, 1990
    Assignee: W. R. Grace & Co.-Conn.
    Inventors: Perry M. Parker, William A. Welsh
  • Method for refining glyceride oils using acid-treated amorphous silica
    Patent number: 4734226
    Abstract: Adsorbents comprising organic acid-treated amorphous silicas with effective average pore diameters of about 60 to about 5000 Angstroms are useful in processes for the removal of trace contaminants, specifically phospholipids and associated metal ions, from glyceride oils.
    Type: Grant
    Filed: January 28, 1986
    Date of Patent: March 29, 1988
    Assignee: W. R. Grace & Co.
    Inventors: Perry M. Parker, William A. Welsh