Patents by Inventor Ernest Leon Yeakey

Ernest Leon Yeakey 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: 4101515
    Abstract: Particular 2,2-dialkylepoxide compositions are provided which are characterized by their novel structure, their liquidity at room temperature and by their unique applicability to a variety of uses.
    Type: Grant
    Filed: September 27, 1976
    Date of Patent: July 18, 1978
    Assignee: Texaco Development Corp.
    Inventors: Robert Malone Gipson, Ernest Leon Yeakey, William Jennings Peppel
  • Patent number: 3943162
    Abstract: An improved process is disclosed for the production of cyanoethylated aromatic amines comprising contacting an aromatic amine with acrylonitrile in the presence of a silica-alumina catalyst in a liquid phase reaction at elevated temperature. Aromatic polyamines are cyanoethylated according to the process of this invention to form a reaction product comprising poly-(N-monocyanoethylated) aromatic amines and poly-(N-monocyanoethylated) aromatic amines additionally having at least one cyanoethyl group attached to the nucleus of the aromatic ring.
    Type: Grant
    Filed: April 16, 1975
    Date of Patent: March 9, 1976
    Assignee: Jefferson Chemical Co., Inc.
    Inventors: Michael E. Brennan, Ernest Leon Yeakey