Patents by Inventor Aim Menassa

Aim Menassa 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).

  • Undecylenate deodorization of paper mill effluents
    Patent number: 5439641
    Abstract: Malodorous/foul smelling paper mill effluents are deodorized by treating same with an effective deodorizing amount, e.g., from 0.01% to 5% by weight thereof, of an alkyl or polyoxyalkylene ester of undecylenic acid, for example methyl undecylenate or a polyoxyethylene undecylenate having 8 or 10 ethylene oxide recurring structural units.
    Type: Grant
    Filed: July 28, 1993
    Date of Patent: August 8, 1995
    Assignees: Elf Atochem S.A., Delta Agro Industries
    Inventors: Henri-Jean Caupin, Aim Menassa