Patents by Inventor Bernard Haemmerle

Bernard Haemmerle 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).

  • Organic compounds for use as fuel additives
    Patent number: 3980448
    Abstract: This invention relates to gasoline compositions containing additives which are reaction products of a maleic anhydride of the formula ##EQU1## with a linear polyamine of the formulaH.sub.2 N--(CH.sub.2).sub.n -- NH].sub.m R'in which R.sub.1 and R.sub.2 are selected from the group consisting of a hydrogen atom and a monovalent hydrocarbon radical of 1 - 30 carbon atoms, R' is a monovalent aliphatic hydrocarbon radical having 6 - 30 carbon atoms, n is an integer from 3 to 10 and m is an integer from 1 to 10.
    Type: Grant
    Filed: May 2, 1973
    Date of Patent: September 14, 1976
    Assignee: Institut Francais du Petrole, des Carburants et Lubrifiants et Entreprise de Recherches et d'Activities Petrolieres Elf
    Inventors: Bernard Haemmerle, Bernard Sillion, Gabriel De Gaudemaris