Patents by Inventor David C. Swinney

David C. Swinney 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).

  • 1,3-Dioxolane derivatives as cholesterol-lowering agents
    Patent number: 5158949
    Abstract: Compounds of formula (I): ##STR1## wherein n is 2 or 3;p is 0, 1 or 2;q is 0, 1 or 2;X is oxygen or S(O).sub.t where t is 0, 1 or 2;each R.sup.1 is independently halo, lower alkyl, lower alkoxy, or trifluoromethyl;each R.sup.2 is independently halo or lower alkyl;R.sup.3 is nitro or --N(R.sup.5)R.sup.6 whereR.sup.5 is hydrogen or lower alkyl;R.sup.6 is hydrogen lower alkyl, lower alkylsulfonyl or --C(Y)R.sup.7 where Y is oxygen or sulfur and R.sup.7 is hydrogen, lower alkyl, lower alkoxy or --N(R.sup.8)R.sup.9 where R.sup.8 is hydrogen or lower alkyl and R.sup.9 is hydrogen, lower alkyl or lower alkoxycarbonyl; orR.sup.5 and R.sup.6 together with N is pyrrolidino, piperidino, morpholino, thiomorpholino or piperazino, wherein the piperazino is optionally substituted at the 4-position by --N(O)R.sup.10 where R.sup.10 is hydrogen, lower alkyl, lower alkoxy or amino; andR.sup.
    Type: Grant
    Filed: December 20, 1990
    Date of Patent: October 27, 1992
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Keith A. Walker, Pamela M. Burton, David C. Swinney