Patents by Inventor Alain Chaffardon

Alain Chaffardon 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).

  • Fuel compositions containing at least one fulvene derivative and their use
    Patent number: 5609653
    Abstract: Fuel compositions containing a major proportion of at least one fuel base and a minor proportion of at least one fulvene derivative, characterized in that the said fulvene derivative is a 5-(alkylalkylidene)-1,3-cyclopentadiene of formula (I) below: ##STR1## where R.sub.1 is the hydrogen atom or an alkyl group containing from one to three carbon atoms and R.sub.2 is a hydrogen atom or a saturated or unsaturated aliphatic group containing from one to four carbon atoms. Use of the fuel compositions in reciprocating engines with spark ignition and turbine and jet engines.
    Type: Grant
    Filed: July 14, 1995
    Date of Patent: March 11, 1997
    Assignee: Elf Antar France
    Inventors: Jean-Philippe Roman, Alain Chaffardon