Patents by Inventor E. Jack Swarthout

E. Jack Swarthout 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).

  • Absorbent polymeric compositions derived from corn flour and starch
    Patent number: 4221684
    Abstract: Absorbent polymeric compositions are disclosed which are prepared by graft copolymerizing acrylonitrile onto a starch or corn flour-containing substrate followed by subjecting the graft copolymer to alkaline saponification. A polymeric composition of increased absorbency is obtained by isolating the saponified graft copolymer from solution as a colloidal precipitate subsequent to the slow addition of an alcohol to the solution.
    Type: Grant
    Filed: December 18, 1978
    Date of Patent: September 9, 1980
    Assignee: Illinois Cereal Mills
    Inventors: Phillip Antholz, E. Jack Swarthout
  • Absorbent polymeric compositions derived from amylaceous material-formaldehyde substrates
    Patent number: 4204983
    Abstract: Absorbent polymeric compositions are disclosed which are prepared by graft copolymerizing acrylonitrile onto an amylaceous material--formaldehyde substrate and then subjecting the graft copolymer to alkaline saponification. The resulting absorbent polymeric composition sets up into a hard gel after absorbing multiple weights (e.g., up to about 3,000 times its own weight) of water.
    Type: Grant
    Filed: May 7, 1979
    Date of Patent: May 27, 1980
    Assignee: Illinois Cereal Mills
    Inventors: E. Jack Swarthout, Phillip Antholz