Patents by Inventor Dhiru B. Vashi

Dhiru B. Vashi 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).

  • Process for preparing intermediates to florfenicol
    Patent number: 5663361
    Abstract: A process for preparing a compound of formula I ##STR1## wherein R and R" are as described herein. Compounds of formula I are useful as intermediates in the preparation of florfenicol.
    Type: Grant
    Filed: August 19, 1996
    Date of Patent: September 2, 1997
    Assignee: Schering Corporation
    Inventors: James C. Towson, Dhiru B. Vashi
  • Tricyclic derivatives, compositions and methods of use
    Patent number: 5538986
    Abstract: Disclosed are compounds of Formula I: ##STR1## or a pharmaceutically acceptable salt or solvate thereof, wherein: R.sup.3 is alkyl, alkenyl, alkynyl, aryl, alkaryl, aralkyl, cycloalkyl, acyloxymethyl, alkoxy, alkoxymethyl, or alkyl substituted with cycloalkyl;R.sup.4 is H, alkyl, alkenyl, alkoxy, or --OH.Also disclosed are pharmaceutical compositions containing compounds of Formula I, methods for inhibiting tumor necrosis factor-.alpha. and methods for treating septic shock, inflammation, or allergic disease by administering a compound of Formula I.
    Type: Grant
    Filed: December 6, 1993
    Date of Patent: July 23, 1996
    Assignee: Schering Corporation
    Inventors: Pauline C. Ting, Daniel M. Solomon, Richard J. Friary, Frank J. Villani, John J. Piwinski, Joe F. Lee, Dhiru B. Vashi
  • Organic acid-substituted guanidine anthelmintics
    Patent number: 4723029
    Abstract: This invention relates to organic acid-substituted guanidine compounds. Also disclosed are methods for preparing the compounds, compositions containing them, and methods for their use as anthelmintics.
    Type: Grant
    Filed: September 23, 1983
    Date of Patent: February 2, 1988
    Assignee: Schering Corporation
    Inventors: Dhiru B. Vashi, Jeffrey N. Clark, Neil A. Lindo
  • N-((2-nitro)phenyl)-N' (organic acid) guanidine anthelmintics
    Patent number: 4701447
    Abstract: This invention relates to organic acid-substituted guanidine compounds. Also disclosed are methods for preparing the compounds, compositions containing them, and methods for their use as anthelmintics.
    Type: Grant
    Filed: September 23, 1983
    Date of Patent: October 20, 1987
    Assignee: Schering Corporation
    Inventors: Dhiru B. Vashi, Jeffrey N. Clark, Neil A. Lindo