Patents by Inventor John N. Zikopoulos

John N. Zikopoulos 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).

  • Patent number: 4335100
    Abstract: Dextransucrase synthesis of dextran from sucrose is inhibited by substituted sucrose compounds which have an inhibiting group bonded to the 5-position ring carbon. Oral compositions containing such substituted sucrose compounds can be used to control dextran formation in the mouth, and dextran comprises the principal component of dental plaque.
    Type: Grant
    Filed: August 6, 1980
    Date of Patent: June 15, 1982
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: John F. Robyt, John N. Zikopoulos
  • Patent number: 4228150
    Abstract: Dextransucrase synthesis of dextran from sucrose is inhibited by novel fluorosucroses which are substituted with fluorine for at least the C.sub.6 hydroxyl, and which may also be substituted with fluorine for other hydroxyls. Oral compositions containing such fluorosucrose can be used to control dextran formation in the mouth. Dextran comprises the principal component of dental plaque.
    Type: Grant
    Filed: April 23, 1979
    Date of Patent: October 14, 1980
    Assignee: Iowa State University Research Foundation, Inc.
    Inventors: John F. Robyt, John N. Zikopoulos