Patents by Inventor Cecil D. Homer, Jr.

Cecil D. Homer, Jr. 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).

  • Recovery of acrylic acid and/or ethyl acrylate from black acid
    Patent number: 4968834
    Abstract: Black acid or the sulfuric acid residue obtained in the manufacture of ethyl acrylate by reaction of ethylene and acrylic acid in the presence of sulfuric acid is heated and distilled in a distillation zone in the presence of a solvent to form an overhead mixture comprising an organic phase containing ethyl acrylate and solvent, and an aqueous phase containing water, solvent and acrylic acid. The aqueous phase is recycled to the distillation zone for recovery of additional acrylic acid value from the organic phase.
    Type: Grant
    Filed: May 7, 1990
    Date of Patent: November 6, 1990
    Assignee: Hoechst Celanese Corporation
    Inventors: Brad L. Smith, Adolfo Aguilo, Cecil D. Homer, Jr.