Patents by Inventor Charles D. Ashbrook

Charles D. Ashbrook 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).

  • Substituted furanones, compositions and antiarthritic use
    Patent number: 6066667
    Abstract: The invention provides substituted furanone antiarthritic and analgesic pharmaceutical agents defined by Formula I, ##STR1## wherein: R.sup.1 is selected from the group consisting of(a) S(O).sub.2 CH.sub.3,(b) S(O).sub.2 NH.sub.2,(c) S(O).sub.2 NHC(O)CF.sub.3,(d) S(O)(NH)CH.sub.3,(e) S(O)(NH)NH.sub.2,(f) S(O)(NH)NHC(O)CF.sub.3,(g) P(O)(CH.sub.3)OH, and(h) P(O)(CH.sub.3)NH.sub.2 ;R.sup.2 and R.sup.3 independently are selected from(1) hydrogen,(2) halo,(3) C.sub.1 -C.sub.6 alkyl,(4) C.sub.1 -C.sub.6 alkoxy, and(5) C.sub.1 -C.sub.6 alkylthio;n is an integer from 1 to 3;m is an integor from 1 to 3;or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: August 17, 1999
    Date of Patent: May 23, 2000
    Inventor: Charles D. Ashbrook