Patents by Inventor Richard E. Ray

Richard E. Ray 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).

  • Thio-ester of 1 (p-chlorobenzoyl)-5-methoxy-2-methylindole-3-acetic acid
    Patent number: 4119638
    Abstract: This invention relates to a new class of compounds of the indole series. Particularly, it relates to novel thio esters of 1-(p-chlorobenzoyl)-5-methoxy-2-methylindole-3-acetic acid. These novel compounds are prepared by reacting 1-(p-chlorobenzoyl)-5-methoxy-2-methylindole-3-acetic acid with an appropriate thiol and diethyl phosphorocyanidate or diphenyl phosphorazidate in the presence of triethylamine in a dimethylformamide solution. These compounds are useful anti-inflammatory agents.
    Type: Grant
    Filed: November 29, 1976
    Date of Patent: October 10, 1978
    Assignee: G. D. Searle & Co.
    Inventor: Richard E. Ray
  • Anti-inflammatory sydnones
    Patent number: 4020079
    Abstract: 3-Alkylthioalkyl-4-optionally substituted sydnones, useful as anti-inflammatory pharmaceutical agents, are prepared.
    Type: Grant
    Filed: August 1, 1974
    Date of Patent: April 26, 1977
    Assignee: G. D. Searle & Co.
    Inventors: Richard E. Ray, Hans A. Wagner