Patents by Inventor Jerald Edson Dirks

Jerald Edson Dirks 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).

  • Purification of alkyl esters
    Patent number: 3951756
    Abstract: A distillation process for removing light ends impurities from alkyl esters of carboxylic acids wherein a purified ester is removed as residue, and wherein an inert gas and water are added to the overhead vapors from the distillation so as to facilitate separation of the light ends therefrom.
    Type: Grant
    Filed: November 8, 1974
    Date of Patent: April 20, 1976
    Assignee: Celanese Corporation
    Inventors: Jerald Edson Dirks, Gene Jordan Fisher