Patents by Inventor Judith M. Liddle

Judith M. Liddle 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).

  • Starch based natural adhesives used in cigarette manufacture
    Patent number: 5085228
    Abstract: An adhesive for use in cigarette manufacturing which is a natural based starch material having excellent flow or fluidity characteristics and viscosity stability and comprising a mixture of crosslinked starch and a fluidity or converted starch, particularly an acid converted starch, the starches having an amylopectin content of at least 70% by weight and prepared by cooking at high temperature and pressure.
    Type: Grant
    Filed: May 21, 1990
    Date of Patent: February 4, 1992
    Assignee: National Starch and Chemical Investment Holding Corporation
    Inventors: Neil T. Mooney, Judith M. Liddle, Wayne C. Wright, Geoffrey Smith