Patents by Inventor Sankar Chatterjee

Sankar Chatterjee 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).

  • Ketomethylene group-containing cysteine and serine protease inhibitors
    Patent number: 6034095
    Abstract: The present invention is directed to novel ketomethylene group-containing inhibitors of cysteine or serine proteases. Methods for the use of the protease inhibitors are also described.
    Type: Grant
    Filed: October 15, 1998
    Date of Patent: March 7, 2000
    Assignee: Cephalon, Inc.
    Inventor: Sankar Chatterjee
  • Multicatalytic protease inhibitors
    Patent number: 5990083
    Abstract: Disclosed herein are inhibitors of the multicatalytic protease enzyme which are represented by the general formula: ##STR1## Constituent members and preferred constituent members are disclosed herein. Methodologies for making and using the disclosed compounds are also set forth herein.
    Type: Grant
    Filed: March 13, 1997
    Date of Patent: November 23, 1999
    Assignee: Cephalon, Inc.
    Inventors: Mohamed Iqbal, James L. Diebold, Robert Siman, Sankar Chatterjee, James C. Kauer
  • Cysteine and serine protease inhibitors containing D-amino acid at the P2 position, methods of making same, and methods of using same
    Patent number: 5852007
    Abstract: The present invention is directed to (D)-amino acid containing inhibitors of cysteine or serine proteases. Methods for the use of the protease inhibitors are also described.
    Type: Grant
    Filed: February 6, 1997
    Date of Patent: December 22, 1998
    Assignee: Cephalon, Inc.
    Inventor: Sankar Chatterjee
  • Multicatalytic protease inhibitors
    Patent number: 5830870
    Abstract: Disclosed herein are inhibitors of the multicatalytic protease enzyme which are represented by the general formula: ##STR1## Constituent members and preferred constituent members are disclosed herein. Methodologies for making and using the disclosed compounds are also set forth herein.
    Type: Grant
    Filed: December 4, 1996
    Date of Patent: November 3, 1998
    Assignee: Cephalon, Inc.
    Inventors: Mohamed Iqbal, James L. Diebold, Robert Siman, Sankar Chatterjee, James C. Kauer
  • Ketomethylene group-containing cysteine and serine protease inhibitors
    Patent number: 5827877
    Abstract: The present invention is directed to novel ketomethylene group-containing inhibitors of cysteine or serine proteases. Methods for the use of the protease inhibitors are also described.
    Type: Grant
    Filed: May 7, 1996
    Date of Patent: October 27, 1998
    Assignee: Cephalon, Inc.
    Inventor: Sankar Chatterjee
  • Thiomethylene group-containing aldehyde cysteine and serine protease inhibitors
    Patent number: 5744339
    Abstract: The present invention is directed to thiomethylene group-containing aldehyde inhibitors of cysteine or serine proteases. Methods for the use of the protease inhibitors are also described.
    Type: Grant
    Filed: August 30, 1996
    Date of Patent: April 28, 1998
    Assignee: Cephalon, Inc.
    Inventor: Sankar Chatterjee
  • Ketomethylene group-containing aldehyde cysteine and serine protease inhibitors
    Patent number: 5723580
    Abstract: The present invention is directed to novel ketomethylene group-containing aldehyde inhibitors of cysteine or serine proteases. Methods for the use of the protease inhibitors are also described.
    Type: Grant
    Filed: May 7, 1996
    Date of Patent: March 3, 1998
    Assignee: Cephalon, Inc.
    Inventor: Sankar Chatterjee
  • Cysteine protease and serine protease inhibitors
    Patent number: 5658906
    Abstract: The present invention is directed to irreversible inhibitors of serine and cysteine proteases which most preferably contain a 1-oxytriazole or 1-oxyimidazole functionality. Methods for the use of the protease inhibitors are also described.
    Type: Grant
    Filed: January 26, 1996
    Date of Patent: August 19, 1997
    Assignee: Cephalon, Inc.
    Inventors: John P. Mallamo, Ron Bihovsky, Sankar Chatterjee, Rabindranath Tripathy
  • Multicatalytic protease inhibitors
    Patent number: 5614649
    Abstract: Disclosed herein are inhibitors of the multicatalytic protease enzyme which are represented by the general formula: ##STR1## Constituent members and preferred constituent members are disclosed herein. Methodologies for making and using the disclosed compounds are also set forth herein.
    Type: Grant
    Filed: November 3, 1995
    Date of Patent: March 25, 1997
    Assignee: Cephalon, Inc.
    Inventors: Mohamed Iqbal, James L. Diebold, Robert Siman, Sankar Chatterjee, James C. Kauer
  • Multicatalytic protease inhibitors
    Patent number: 5550262
    Abstract: Disclosed herein are inbibitors of the multicatalytic protease enzyme which are represented by the general formula: ##STR1## Constituent members and preferred constituent members are disclosed herein. Methodologies for making and using the disclosed compounds are also set forth herein.
    Type: Grant
    Filed: November 14, 1994
    Date of Patent: August 27, 1996
    Assignee: Cephalon, Inc.
    Inventors: Mohamed Iqbal, James L. Diebold, Robert Siman, Sankar Chatterjee, James C. Kauer
  • Cysteine protease and serine protease inhibitors
    Patent number: 5498616
    Abstract: The present invention is directed to irreversible inhibitors of serine and cysteine proteases which most preferably contain a 1-oxytriazole or 1-oxyimidazole functionality. Methods for the use of the protease inhibitors are also described.
    Type: Grant
    Filed: November 4, 1994
    Date of Patent: March 12, 1996
    Assignee: Cephalon, Inc.
    Inventors: John P. Mallamo, Ron Bihovsky, Sankar Chatterjee, Rabindranath Tripathy