Patents by Inventor George C. Woehr

George C. Woehr 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).

  • Distillation of hexahalocyclopentadiene
    Patent number: 3996112
    Abstract: Ultra high purity hexachlorocyclopentadiene is obtained by a two-stage distillation procedure, in the first stage of which crude hexachlorocyclopentadiene is distilled to separate hexachlorobutadiene as a distillate and in the second stage, ultra high purity hexachlorocyclopentadiene is obtained as a distillate fraction and octachlorocyclopentene is obtained as a distillation residue.
    Type: Grant
    Filed: April 15, 1974
    Date of Patent: December 7, 1976
    Assignee: Hooker Chemicals & Plastics Corporation
    Inventor: George C. Woehr