Patents by Inventor Robert M. Schisla, Jr.

Robert M. Schisla, 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).

  • Patent number: 5244545
    Abstract: Disclosed is an improved process for the removal of acetone from a production system wherein acetic anhydride is produced by contacting a mixture comprising methyl iodide and methyl acetate and/or dimethyl ether with carbon monoxide in the presence of a carbonylation catalyst or catalyst system. The process comprises two distillation steps wherein acetone is separated from a mixture of methyl acetate, methyl iodide and acetone.
    Type: Grant
    Filed: October 9, 1991
    Date of Patent: September 14, 1993
    Assignee: Eastman Kodak Company
    Inventors: Steven L. Cook, Robert M. Schisla, Jr., Charles E. Outlaw, Joseph R. Zoeller
  • Patent number: 5057192
    Abstract: Disclosed is an improved process for the removal of acetone from a production system wherein acetic anhydride is produced by contacting a mixture containing methyl iodide and methyl acetate and/or dimethyl ether with carbon monoxide in the presence of a carbonylation catalyst or catalyst system. The process involves a water-methyl iodide extraction step wherein acetone is separated from a mixture of methyl acetate, methyl iodide and acetone.
    Type: Grant
    Filed: February 28, 1991
    Date of Patent: October 15, 1991
    Assignee: Eastman Kodak Company
    Inventors: Joseph R. Zoeller, Steven L. Cook, Charles E. Outlaw, Robert M. Schisla, Jr.