Patents by Inventor Wallace E. Embrey

Wallace E. Embrey 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: 4701529
    Abstract: Process for the production of 2,4,6-trimethyl pyridine wherein acetone or an acetone derivative is reacted under pressure with ammonia in the presence of a metallic catalyst to form mixture of products with a high preparation of 2,4,6-trimethyl pyridine and recovering the trimethyl pyridine.
    Type: Grant
    Filed: October 9, 1986
    Date of Patent: October 20, 1987
    Assignee: The Dow Chemical Company
    Inventors: Loren L. Swearingen, Wallace E. Embrey, Randy J. LaTulip, Jim D. Earls, Garnet E. McConchie
  • Patent number: 4559110
    Abstract: Distillation of the heavy waste stream from the manufacture of phenol via the cumene process provides an overhead stream containing phenol, acetophenone and 2-phenyl propionaldehyde. Extraction of the overhead stream with aqueous caustic removes the phenol and subsequent distillation of the remaining two components in the presence of a catalytic amount of caustic provides a substantially pure acetophenone distillate.
    Type: Grant
    Filed: July 11, 1983
    Date of Patent: December 17, 1985
    Assignee: The Dow Chemical Company
    Inventors: Loren L. Swearingen, Alfred W. Heinsohn, Craig W. Snook, Wallace E. Embrey, Garnet E. McConchie