Patents by Inventor Anne De Sousa Delgado

Anne De Sousa Delgado 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).

  • Use of a catalytic system for lactide and glycolide (co) oligomerization
    Patent number: 8389668
    Abstract: The use of a catalytic ring-opening lactide and glycolide (co)oligomerization system consisting of a strongly acidic ion-exchange resin-type polymeric catalyst and a (co)oligomerization additive, and a lactide and glycolide (co)oligomerization method using said catalytic system, are disclosed.
    Type: Grant
    Filed: March 15, 2005
    Date of Patent: March 5, 2013
    Assignee: Ipsen Pharma S.A.S.
    Inventors: Frédéric Ben, Didier Bourissou, Roland Cherif-Cheikh, Anne De Sousa Delgado, Magalie Graullier, Blanca Martin-Vaca
  • Use of catalytic system for lactide and glycolide (co) oligomerization
    Publication number: 20070185304
    Abstract: The use of a catalytic ring-opening lactide and glycolide (co)oligomerization system consisting of a strongly acidic ion-exchange resin-type polymeric catalyst and a (co)oligomerization additive, and a lactide and glycolide (co)oligomerization method using said catalytic system, are disclosed.
    Type: Application
    Filed: March 15, 2005
    Publication date: August 9, 2007
    Inventors: Frederic Ben, Didier Bourissou, Roland Cherif-Cheikh, Anne De Sousa Delgado, Magalie Graullier, Blanca Martin-Vaca