Patents by Inventor Wesley Gerald Schindel

Wesley Gerald Schindel 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).

  • Catalyzed fluorination of chlorocarbons
    Patent number: 4053530
    Abstract: Described is the production of chlorofluorocarbons, particularly trichlorofluoromethane, by reaction between chlorocarbons, e.g., carbon tetrachloride, and ammonium bifluoride at around 300.degree.-550.degree. C in the presence of certain catalysts, e.g., an alkaline earth metal fluoride or ferric fluoride, calcium fluoride being preferred.
    Type: Grant
    Filed: July 29, 1976
    Date of Patent: October 11, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Wesley Gerald Schindel
  • Preparation of CCl.sub.3 F and CCl.sub.2 F.sub.2 from fluorspar and CCl.sub .
    Patent number: 4009215
    Abstract: Preparation of CCl.sub.3 F and CCl.sub.2 F.sub.2 by countercurrently contacting CaF.sub.2 and CCl.sub.4 under reaction conditions to provide high conversion both of CCl.sub.4 to fluorine-containing products and CaF.sub.2 to CaCl.sub.2.
    Type: Grant
    Filed: March 16, 1976
    Date of Patent: February 22, 1977
    Inventors: Edmund Odon Banas, Wesley Gerald Schindel