Patents by Inventor Ursula Staeger-Roos

Ursula Staeger-Roos 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).

  • Plasmid vectors and GRAS microorganisms promoting ice nucleation
    Patent number: 5514586
    Abstract: Ice nucleation is promoted in an ingestible biological material by treating the material with an ice-nucleating protein carried by a yeast or lactococcal GRAS microorganism, or a fraction thereof, transformed by a plasmid vector carrying a gene coding for the ice-nucleating protein.
    Type: Grant
    Filed: October 19, 1992
    Date of Patent: May 7, 1996
    Assignee: Nestec S.A.
    Inventors: Herbert Hottinger, Peter Niederberger, David Pridmore, Ursula Staeger-Roos