Patents by Inventor Rene Lemal

Rene Lemal 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 production of maleic anhydride from butane
    Patent number: 3987063
    Abstract: Process for the manufacture of maleic anhydride which comprises contacting in the vapor phase a mixture of butane and molecular oxygen with a catalyst comprising in chemical combination phosphorus, vanadium, oxygen and at least one metal activator selected from the group consisting of cobalt, nickel and cadmium as well as said catalyst used in this process.
    Type: Grant
    Filed: July 31, 1974
    Date of Patent: October 19, 1976
    Assignee: U.C.B., Societe Anonyme
    Inventors: Rene Lemal, Jacques Vekemans