Patents by Inventor Cecile Rang

Cecile Rang 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).

  • Pepsin-sensitive modified Bacillus thuringiensis insecticidal toxin
    Publication number: 20040096934
    Abstract: The invention relates to the degradation of Bacillus thuringiensis Cry proteins in the digestive tracts of mammals and concerns Bacillus thuringiensis Cry proteins having a peptide sequence that has been modified in such a way as to make said proteins sensitive to the specific enzymes in the digestive tracts of mammals, in particular pepsins. According to the invention, the Cry proteins are modified by inserting pepsin cleavage sites in the peptide sequence thereof. The invention also relates to transformed plants expressing said modified Cry proteins.
    Type: Application
    Filed: September 19, 2003
    Publication date: May 20, 2004
    Inventors: Georges Freyssinet, Cecile Rang, Roger Frutos