Patents by Inventor Ravindar N. Girotra

Ravindar N. Girotra 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).

  • Patent number: 5776983
    Abstract: Compounds of the formula ##STR1## or pharmaceutically acceptable salts thereof wherein: A is a bond, --(CH.sub.2).sub.n -- or --CH(B)--, where n is an integer of 1 to 3 and B is --CN, --CON(R.sup.9)R.sup.9' or --CO.sub.2 R.sup.7 ;R.sup.1 is lower alkyl, aryl or arylalkyl;R.sup.2 is hydrogen, hydroxy, alkoxy, --CH.sub.2 OH, cyano, --C(O)OR.sup.7, --CO.sub.2 H, --CONH.sub.2, tetrazole, --CH.sub.2 NH.sub.2 or halogen; ##STR2## R.sup.3 is hydrogen, alkyl, heterocycle or R.sup.4 is hydrogen, alkyl or B;R.sup.5, R.sup.5', R.sup.8, R.sup.8' or R.sup.8" are independently hydrogen, alkoxy, lower alkyl, halogen, --OH, --CN, --(CH.sub.2).sub.n NR.sup.6 COR.sup.7, --CON(R.sup.6)R.sup.6', --CON(R.sup.6)OR.sup.6', --CO.sub.2 R.sup.6, --SR.sup.7, --SOR.sup.7, --SO.sub.2 R.sup.7, --N(R.sup.6)SO.sub.2 R.sup.1, --N(R.sup.6)R.sup.6', --NR.sup.6 COR.sup.7, --OCH.sub.2 CON(R.sup.6)R.sup.6', --OCH.sub.2 CO.sub.2 R.sup.7 or aryl; orR.sup.5 and R.sup.5' or R.sup.8 and R.sup.
    Type: Grant
    Filed: December 2, 1994
    Date of Patent: July 7, 1998
    Assignee: Bristol-Myers Squibb Company
    Inventors: William N. Washburn, Ravindar N. Girotra, Philip M. Sher, Amarendra B. Mikkilineni, Kathleen M. Poss, Arvind Mathur, Gregory S. Bisacchi, Ashvinikumar V. Gavai