Patents by Inventor Richard E. Yeager

Richard E. Yeager 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).

  • Spirothiazolidinyl piperazine derivatives
    Patent number: 4456756
    Abstract: Piperazinyl derivatives containing a spiro-2,4-thiazolidinedione heterocyclic component with relatively selective psychotropic properties are disclosed. The compound 2-[4-[4-(7,9-dioxo-6-thia-8-azaspiro[4.4]nonan-8-yl)butyl]-1-piperazinyl]p yridine-3-carbonitrile which has selective anti-psychotic activity constitutes a typical embodiment of the invention.
    Type: Grant
    Filed: August 3, 1981
    Date of Patent: June 26, 1984
    Assignee: Mead Johnson & Company
    Inventors: Davis L. Temple, Jr., Richard E. Yeager
  • Thiazolidinylalkylene piperazine derivatives
    Patent number: 4367335
    Abstract: Piperazinyl derivatives containing a 3-alkylene-2,4-thiazolidinedione heterocyclic component with relatively selective psychotropic properties are disclosed. The compound 3-[4-[4-(2-pyrimidinyl)-1-piperazinyl]butyl]-2,4-thiazolidinedione which has selective anxiolytic activity constitutes a typical embodiment of the invention.
    Type: Grant
    Filed: August 3, 1981
    Date of Patent: January 4, 1983
    Assignee: Mead Johnson & Company
    Inventors: Davis L. Temple, Jr., Richard E. Yeager