Patents by Inventor Alexandre Manfredi

Alexandre Manfredi 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).

  • Polyhydroxylated and highly fluorinated compounds, their preparation and their use as surfactants
    Patent number: 4985550
    Abstract: Compounds having a polyhydroxylated hydrophilic moiety, a highly fluorinated moiety and a functional junction group linking said moieties together, wherein said hydrophilic moiety is derived from a polyol or an aminopolyol, and wherein said highly fluorinated moiety consists of a fluorocarbon group wherein at lest 50% of the atoms bonded to the carbon skeleton are fluorine atoms, the other atoms bonded to the carbon skeleton being hydrogen, chlorine or bromine atoms, said highly fluorinated moiety containing at least 4 fluorine atoms; as well as the internal ethers and ketals thereof; process for their preparation; and a compositions containing said compounds as surfactants, together with non polar compounds, for use as gas carriers.
    Type: Grant
    Filed: July 28, 1987
    Date of Patent: January 15, 1991
    Assignee: Alliance Pharmaceutical Corp.
    Inventors: Brigitte Charpiot, Jacques Greiner, Maurice Le Blanc, Alexandre Manfredi, Jean Riess, Leila Zarif