Patents by Inventor Helene Chautard

Helene Chautard 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).

  • Enhanced phytase variants
    Patent number: 9109210
    Abstract: The present invention provides the field of enhancing proteins and in particular to that of proteins enhanced by molecular change. It provides a variant of a phytase that is termed enhanced in that is has better thermostability and/or activity than the original phytase. The invention also provides a nucleic acid coding for said variant, a cassette or an expression vector containing said variant, a host cell expressing said variant, a composition comprising said variant and uses thereof, principally in the preparation of food additives and animal feed.
    Type: Grant
    Filed: July 1, 2010
    Date of Patent: August 18, 2015
    Assignee: BIOMETHODES
    Inventors: Stephane Blesa, Helene Chautard, Marc Delcourt, Laurent Mesta, Bruno Winter
  • ENHANCED PHYTASE VARIANTS
    Publication number: 20130122567
    Abstract: The present invention provides the field of enhancing proteins and in particular to that of proteins enhanced by molecular change. It provides a variant of a phytase that is termed enhanced in that is has better thermostability and/or activity than the original phytase. The invention also provides a nucleic acid coding for said variant, a cassette or an expression vector containing said variant, a host cell expressing said variant, a composition comprising said variant and uses thereof, principally in the preparation of food additives and animal feed.
    Type: Application
    Filed: July 1, 2010
    Publication date: May 16, 2013
    Applicant: BIOMETHODES
    Inventors: Stephane Blesa, Helene Chautard, Marc Delcourt, Laurent Mesta, Bruno Winter
  • HUMAN INTERFERON-GAMMA (INFGAMMA) VARIANTS
    Publication number: 20100260704
    Abstract: The present invention relates to human interferon gamma variants with improved thermostability, to a nucleic acid encoding said variants, to a pharmaceutical composition containing them, and to their use for the treatment of a viral infection and of cancer.
    Type: Application
    Filed: March 8, 2007
    Publication date: October 14, 2010
    Applicant: BIOMETHODES
    Inventors: Jose Berenguer, Marc Delcourt, Héléne Chautard, Thierry Menguy