Patents by Inventor Loic Lecomte

Loic Lecomte 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).

  • Process for the preparation of aliphatic or cycloaliphatic chlorides
    Patent number: 5910617
    Abstract: The process according to the invention consists in preparing chlorides of aliphatic or cycloaliphatic hydrocarbons by reacting the corresponding mono- or polyalcohol with phosgene or thionyl chloride in the presence of at least one catalyst chosen from hexasubstituted guanidinium halides and their hydrohalides, optionally grafted via one of their radicals to a silica-based support.The chlorides are quickly obtained with good yields and contain few by-products such as carbonates or chloroformates.
    Type: Grant
    Filed: June 18, 1998
    Date of Patent: June 8, 1999
    Assignee: Societe Nationale Des Poudres Et Exploisfs
    Inventors: Loic Lecomte, Serge Metge, Denis Souyri