Patents by Inventor Filippo Biviano

Filippo Biviano 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).

  • Auto-cross-linked gellan gum
    Patent number: 6172219
    Abstract: The present invention is drawn to inner esters of gellan, wherein the carboxy groups are esterified with hydroxy groups from either the same or different molecules of gellan. The present invention is further drawn to methods of using the present inner esters of gellan in the fields of cosmetics, pharmaceuticals and in sanitary and surgical articles. The present invention is further drawn to products made from inner esters of gellan and to be used in the indicated fields.
    Type: Grant
    Filed: November 25, 1997
    Date of Patent: January 9, 2001
    Assignee: M.U.R.S.T. Italian Ministry for Universities and Scientific and Technological Research
    Inventors: Lanfranco Callegaro, Filippo Biviano, Vittorio Crescenzi