Patents by Inventor John Karkalas

John Karkalas 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).

  • Orally administrable compositions comprising cation cross-linked polysaccharide and a polymer digestible in the lower gastrointestinal tract
    Patent number: 6649191
    Abstract: Orally administrable compositions comprising cation cross-linked polysaccharides are provided. The compositions have the ability to mask the taste and delay the release of an active material included therein. A novel method for the preparation of the compositions is also provided. The cation cross-linked polysaccharide is preferably selected from alginic acid and demethylated pectin and the composition further comprises a digestible polymer, preferably chosen from starch, starch derivatives, &agr;-glucans, peptides and polypeptides.
    Type: Grant
    Filed: October 20, 2000
    Date of Patent: November 18, 2003
    Assignee: Glycologic Limited
    Inventors: Richard Frank Tester, John Karkalas