Patents Represented by Attorney Rebbeca R. Barrett
  • Patent number: 6166050
    Abstract: Compounds of the formula ##STR1## which inhibit leukocyte adhesion mediated by interaction of the .alpha..sub.4 .beta..sub.1 integrin (VLA-4) with its counterreceptor VCAM-1, and their use for the treatment of inflammatory and autoimmune diseases.
    Type: Grant
    Filed: December 10, 1999
    Date of Patent: December 26, 2000
    Assignee: American Home Products Corporation
    Inventors: Louis J. Lombardo, Joan Sabalski
  • Patent number: 6127392
    Abstract: Compounds of the formula: wherein:R.sub.1, R.sub.2, R.sub.3, R.sub.4,R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are, independently, hydrogen, COOR.sub.15, halogen, nitro, cyano, C.sub.1-10 alkoxy, C.sub.1-10 haloalkoxy, sulfonic acid, C.sub.1-10 alkylsulfonyl, C.sub.6-12 arylsulfonyl, C.sub.6-12 aralkylsulfonyl, C.sub.1-10 alkylsulfinyl, C.sub.6-12 arylsufinyl, C.sub.6-12 aralkylsulfinyl, sulfamoyl, C.sub.1-10 alkylsulfamido, C.sub.6-12 arylsulfamido, C.sub.1-10 alkanoyl, C.sub.6-12 aryloyl, C.sub.6-12 aralkanoyl, amino, C.sub.1-10 alkylamino, C.sub.2-10 dialkylamino, C.sub.6-12 aralkylamino, C.sub.6-12 arylamino, carboxamido, C.sub.1-10 alkylcarboxamido, C.sub.6-12 arylcarboxamido, C.sub.1-10 haloalkyl, C.sub.1-10 alkyl, C.sub.2-12 alkenyl, C.sub.6-12 aryl, C.sub.6-12 aralkyl; with the proviso that at least one of R.sub.4 and R.sub.5 is COOR.sub.15 ;R.sub.9 is hydrogen, C.sub.1-10 alkyl and C.sub.1-10 haloalkyl;R.sub.10 is hydrogen, C.sub.1-10 alkyl, C.sub.1-10 haloalkyl, or C.sub.2-12 alkylidene;R.sub.
    Type: Grant
    Filed: August 3, 1998
    Date of Patent: October 3, 2000
    Assignee: American Home Products Corporation
    Inventors: Joseph Richard Lennox, Schuyler Adam Antane, John Anthony Butera
  • Patent number: 5821372
    Abstract: The compound of formula I ##STR1## in which R.sup.1 is alkyl, alkenyl, aryl or arylalkyl; R.sup.2 is alkyl, R.sup.3 is a halogen and R.sup.4 is hydrogen; or R.sup.2 is hydrogen, R.sup.3 is a halogen, and R.sup.4 is alkyl are useful for increasing blood serum HDL levels.
    Type: Grant
    Filed: November 21, 1996
    Date of Patent: October 13, 1998
    Assignee: American Home Products Corporation
    Inventors: Hassan M. Elokdah, Sie-Yearl Chai, Theodore S. Sulkowski, Donald P. Strike