Patents by Inventor William E. Wimer

William E. Wimer 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).

  • Method for producing 1,2,4-trichlorobenzene
    Patent number: 4835327
    Abstract: 1,2,4-Trichlorobenzene is produced by chlorinating benzene, chlorobenzene, meta-dichlorobenzene, ortho-dichlorobenzene, or a mixture of two or more thereof in a reaction medium comprising a liquid phase and a catalytic amount of zeolite L, zeolite Y, or a mixture thereof.
    Type: Grant
    Filed: December 5, 1986
    Date of Patent: May 30, 1989
    Assignee: PPG Industries, Inc.
    Inventors: Joseph E. Milam, William E. Wimer