Patents by Inventor Foner P. Curtis

Foner P. Curtis 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).

  • .beta.-1,3-glucan polysaccharides, compositions, and their preparation and uses
    Patent number: 5688775
    Abstract: Irradiated or nonirradiated substantially pure .beta.-1,3-glucan polysaccharides, derivatives and coprocessed mixtures thereof with other hydrocolloids, methods for their preparation, and uses for the aqueous gels prepared from them, including their use in the electrophoresis of DNA, RNA, and their fragments.
    Type: Grant
    Filed: January 24, 1994
    Date of Patent: November 18, 1997
    Assignee: FMC Corporation
    Inventors: Donald W. Renn, Lisa E. Dumont, William C. Snow, Foner P. Curtis
  • Polysaccharide resolving gels and gel systems for stacking electrophoresis
    Patent number: 5143646
    Abstract: Electrophoretic resolving gel compositions, discontinuous stacking gel systems containing these and other resolving gel compositions, and kits for preparing such gel systems, comprising one or more polysaccharide hydrogels of which agarose is typical wherein at least one of the gels in the resolving gel composition has been derivatized and at least one of the gels in the resolving gel composition has been depolymerized sufficiently to reduce its casting-effective viscosity.
    Type: Grant
    Filed: June 20, 1991
    Date of Patent: September 1, 1992
    Assignee: FMC Corporation
    Inventors: Samuel Nochumson, Foner P. Curtis, Jonathan H. Morgan, Francis H. Kirkpatrick