Patents by Inventor Jéröme Berger

Jéröme Berger 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).

  • Pseudo-thermosetting neutralized chitosan composition forming a hydrogel and a process for producing the same
    Publication number: 20100113618
    Abstract: The composition disclosed is a pseudo-thermosetting neutralized chitosan composition, neutralized with a hydroxylated base, forming a phosphate-free transparent hydrogel at a temperature higher than 5° C. Said composition contains a homogeneously reacetylated chitosan derived from a chitosan having a deacetylation degree of 80-90%, having a molecular weight of not smaller than 200 kDa and a deacetylation degree of 30-60%, and may further contain a diol. Said composition may be used as a drug delivery system.
    Type: Application
    Filed: December 29, 2009
    Publication date: May 6, 2010
    Inventors: Jéröme Berger, Robert Gurny, Marianne Reist Oechslin