Patents by Inventor Manoj C. Desai

Manoj C. Desai 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).

  • 3-aminopiperidine derivatives and related nitrogen containing heterocycles and pharmaceutical compositions and use
    Patent number: 5232929
    Abstract: The present invention relates to novel 3-aminopiperidine derivatives and related nitrogen containing heterocyclic compounds, and specifically, to compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8, Y and m are as defined below. These novel compounds are useful in the treatment of inflammatory and central nervous system disorders, as well as other disorders. The invention also relates to novel intermediates used in the synthesis of compounds of the formula I.
    Type: Grant
    Filed: July 1, 1991
    Date of Patent: August 3, 1993
    Assignee: Pfizer Inc.
    Inventors: Manoj C. Desai, Terry J. Rosen
  • Certain 9-amino-2-(or 4)-oxa 1,2,3,4-tetrahydro- or 1,2,3,4,5,6,7,8-octahydro-acridines
    Patent number: 5202440
    Abstract: Compounds selected from the group consisting of 9-amino-4-oxa-1,2,3,4-tetrahydro-acridine, 9-amino-2-oxa-1,2,3,4-tetrahydro-acridine, 9-amino-8-fluoro-4-oxa-1,2,3,4-tetrahydro-acridine, 9-amino-4-oxa-1,2,3,4,5,6,7,8-octahydro-acridine or a pharmaceutical acceptable salt thereof are useful treating Alzheimer's disease.
    Type: Grant
    Filed: April 27, 1990
    Date of Patent: April 13, 1993
    Assignee: Pfizer Inc.
    Inventor: Manoj C. Desai