Patents by Inventor Alexandre Louchoff

Alexandre Louchoff 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).

  • Method for preparing polyesters having intrachain free acid functions
    Publication number: 20040127676
    Abstract: The invention relates to a method for preparing polyesters A containing several mid-chain free acid functions by ring-opening polymerisation in the presence of a chain initiator: the benzyl diester of the tartaric acid, the phenyl radical of which is optionally substituted. A: aliphatic based on cyclic esters such as lactides and glycolides.
    Type: Application
    Filed: December 1, 2003
    Publication date: July 1, 2004
    Inventors: Jean-Bernard Cazaux, Charles Brigati, Alexandre Louchoff