Patents by Inventor Gary P. Stack

Gary P. Stack 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).

  • .beta.-Carboline anticonvulsants
    Patent number: 4539407
    Abstract: There are disclosed compounds of the formula ##STR1## wherein X is O, S or NHR.sup.3, wherein R.sup.3 is hydrogen, lower alkyl or cycloalkyl;R is loweralkyl, loweralkoxy, aralkoxy of up to 10 carbon atoms or NR.sup.4 R.sup.5 wherein R.sup.4 and R.sup.5 are, independently, hydrogen, lower alkyl, cycloalkyl or aminoalkyl; or R is alkoxymethyl or hydroxymethyl;n is one of the integers 2, 3 or 4;R.sup.1 and R.sup.2 are, independently, hydrogen, halo, nitro, cyano, SCH.sub.3, or NR.sup.6 R.sup.7, NHCOR.sup.6, COOR.sup.6, OR.sup.6 or SO.sub.2 NR.sup.6 R.sup.7 wherein R.sup.6 and R.sup.7 are independently hydrogen or loweralkyl;and their activity as anticonvulsants, having use in the treatment of epileptic conditions.
    Type: Grant
    Filed: January 31, 1985
    Date of Patent: September 3, 1985
    Assignee: American Home Products Corporation
    Inventors: Gary P. Stack, John A. Moyer