Patents Examined by Rebbecca Anderson
  • Kappa agonist compounds and pharmaceutical formulations thereof
    Patent number: RE38133
    Abstract: Compounds having kappa opioid agonist activity, compositions containing them and method of using them as analgesics are provided. The compounds of formulae I, II, III and IV have the structure: wherein: X, X4, X5, X7, X9; R1, R2, R3, R4; and Y, Z and n are as described in the specification.
    Type: Grant
    Filed: February 4, 2002
    Date of Patent: June 3, 2003
    Assignee: Adolor Corporation
    Inventors: Lawrence I. Kruse, An-Chih Chang, Diane L. DeHaven-Hudkins, John J. Farrar, Forrest Gaul, Virendra Kumar, Michael Anthony Marella, Alan L. Maycock, Wei Yuan Zhang