Patents by Inventor Emile Mourier

Emile Mourier 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 recovery of citronellal from solutions thereof
    Patent number: 3997610
    Abstract: A process is provided for the recovery of citronellal and homologous unsaturated aldehydes from alcohol solutions thereof which comprises adding to the solution a small amount of water and an alkali or alkaline earth salt of a boric acid, and then distilling off the alcohol and recovering the citronellal or homologous unsaturated aldehyde.
    Type: Grant
    Filed: March 20, 1975
    Date of Patent: December 14, 1976
    Assignee: Rhone-Poulenc S.A.
    Inventor: Emile Mourier
  • Process for the semihydrogenation of citral to citronellal
    Patent number: 3971831
    Abstract: A process is provided for the semihydrogenation of the olefinic group in conjugated position to a carbonyl group in citral and homologous dienic aldehydes. The dienic aldehyde is hydrogenated catalytically using a palladium catalyst, and in solution in a lower aliphatic alcohol in the presence of an alkali or alkaline earth metal borate. The process is of particular application to the semihydrogenation of citral to citronellal.
    Type: Grant
    Filed: May 2, 1973
    Date of Patent: July 27, 1976
    Assignee: Rhone-Poulenc S.A.
    Inventor: Emile Mourier