Patents by Inventor Ketan M. Patel

Ketan M. Patel 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).

  • Polymorph of a pharmaceutical
    Patent number: 9255092
    Abstract: A new crystalline polymorph of ritonavir and methods for its use and preparation are disclosed.
    Type: Grant
    Filed: October 14, 2013
    Date of Patent: February 9, 2016
    Assignee: AbbVie Inc.
    Inventors: John F. Bauer, Azita Saleki-Gerhardt, Bikshandarkoil A. Narayanan, Sanjay R. Chemburkar, Ketan M. Patel, Harry O. Spiwek, Philip E. Bauer, Kimberly A. Allen
  • POLYMORPH OF A PHARMACEUTICAL
    Publication number: 20150031731
    Abstract: A new crystalline polymorph of ritonavir and methods for its use and preparation are disclosed.
    Type: Application
    Filed: October 14, 2013
    Publication date: January 29, 2015
    Applicant: AbbVie Inc.
    Inventors: John F. Bauer, Azita Saleki-Gerhardt, Bikshandarkoil A. Narayanan, Sanjay R. Chemburkar, Ketan M. Patel, Harry O. Spiwek, Philip E. Bauer, Kimberly A. Allen
  • Polymorph of a pharmaceutical
    Patent number: 8674112
    Abstract: A new crystalline polymorph of ritonavir and methods for its use and preparation are disclosed.
    Type: Grant
    Filed: May 25, 2012
    Date of Patent: March 18, 2014
    Assignee: AbbVie Inc.
    Inventors: John F. Bauer, Azita Saleki-Gerhardt, Bikshandarkoil A. Narayanan, Sanjay R. Chemburkar, Ketan M. Patel, Harry O. Spiwek, Philip E. Bauer, Kimberly A. Allen
  • Polymorph of a Pharmaceutical
    Publication number: 20120232284
    Abstract: A new crystalline polymorph of ritonavir and methods for its use and preparation are disclosed.
    Type: Application
    Filed: May 25, 2012
    Publication date: September 13, 2012
    Applicant: ABBOTT LABORATORIES
    Inventors: John F. Bauer, Azita Saleki-Gerhardt, Bikshandarkoil A. Narayanan, Sanjay R. Chemburkar, Ketan M. Patel, Harry O. Spiwek, Philip E. Bauer, Kimberly A. Allen
  • Polymorph of a pharmaceutical
    Patent number: 8193367
    Abstract: A new crystalline polymorph of ritonavir and methods for its use and preparation are disclosed.
    Type: Grant
    Filed: December 22, 2009
    Date of Patent: June 5, 2012
    Assignee: Abbott Laboratories
    Inventors: John F. Bauer, Azita Saleki-Gerhardt, Bikshandarkoil A. Narayanan, Sanjay R. Chemburkar, Ketan M. Patel, Harry O. Spiwek, Philip E. Bauer, Kimberly A. Allen
  • Retroviral protease inhibiting compounds
    Patent number: 7968707
    Abstract: A compound of the formula: is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.
    Type: Grant
    Filed: February 27, 2007
    Date of Patent: June 28, 2011
    Assignee: Abbott Laboratories
    Inventors: Hing Leung Sham, Daniel W. Norbeck, Xiaoqi Chen, David A. Betebenner, Dale J. Kempf, Thomas R. Herrin, Gondi N. Kumar, Stephen L. Condon, Arthur J. Cooper, Daniel A. Dickman, Steven M. Hannick, Lawrence Kolaczkowski, Patricia A. Oliver, Daniel J. Plata, Peter J. Stengel, Eric J. Stoner, Jieh-Heh J. Tien, Jih-Hua Liu, Ketan M. Patel
  • Polymorph of a Pharmaceutical
    Publication number: 20100144804
    Abstract: A new crystalline polymorph of ritonavir and methods for its use and preparation are disclosed.
    Type: Application
    Filed: December 22, 2009
    Publication date: June 10, 2010
    Applicant: Abbott Laboratories
    Inventors: John F. Bauer, Azita Saleki-Gerhardt, Bikshandarkoil A. Narayanan, Sanjay R. Chemburkar, Ketan M. Patel, Harry O. Spiwek, Philip E. Bauer, Kimberly A. Allen
  • Polymorph of a pharmaceutical
    Patent number: 7659405
    Abstract: A new crystalline polymorph of ritonavir and methods for its use and preparation are disclosed.
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: February 9, 2010
    Assignee: Abbott Laboratories
    Inventors: John F. Bauer, Azita Saleki-Gerhardt, Bikshandarkoil A. Narayanan, Sanjay R. Chemburkar, Ketan M. Patel, Harry O. Spiwek, Philip E. Bauer, Kimberly A. Allen
  • Retroviral protease inhibiting compounds
    Patent number: 7279582
    Abstract: A compound of the formula: is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.
    Type: Grant
    Filed: October 25, 2002
    Date of Patent: October 9, 2007
    Assignee: Abbott Laboratories
    Inventors: Eric J. Stoner, Arthur J. Cooper, Lawrence Kolaczkowski, Ketan M. Patel, Hing Leung Sham, Daniel W. Norbeck, Xiaoqi Chen, David A. Betebenner, Thomas R. Herrin, Gondi N. Kumar, Stephen L. Condon, Daniel A. Dickman, Patricia A. Oliver, Jien-Heh J. Tien
  • Retroviral protease inhibiting compounds
    Publication number: 20030100755
    Abstract: A compound of the formula: 1
    Type: Application
    Filed: October 25, 2002
    Publication date: May 29, 2003
    Inventors: Hing Leung Sham, Daniel W. Norbeck, Xiaoqi Chen, David A. Betebenner, Dale J. Kempf, Thomas R. Herrin, Gondi N. Kumar, Stephen L. Condon, Arthur J. Cooper, Daniel A. Dickman, Steven M. Hannick, Lawrence Kolaczkowski, Patricia A. Oliver, Daniel J. Plata, Peter J. Stengel, Eric J. Stoner, Jieh-Heh J. Tien, Jih-Hua Liu, Ketan M. Patel
  • Retroviral protease inhibiting compounds
    Patent number: 6472529
    Abstract: A compound of the formula: is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.
    Type: Grant
    Filed: April 18, 2001
    Date of Patent: October 29, 2002
    Assignee: Abbott Laboratories
    Inventors: Hing Leung Sham, Daniel W. Norbeck, Xiaoqi Chen, David A. Betebenner, Dale J. Kempf, Thomas R. Herrin, Gondi N. Kumar, Stephen L. Condon, Arthur J. Cooper, Daniel A. Dickman, Steven M. Hannick, Lawrence Kolaczkowski, Patricia A. Oliver, Daniel J. Plata, Peter J. Stengel, Eric J. Stoner, Jieh-Heh J. Tien, Jih-Hua Liu, Ketan M. Patel
  • Processes and intermediates for preparing retroviral protease inhibitors
    Patent number: 6372905
    Abstract: The instant invention provides processes and intermediates employed in the synthesis of ((2S,3S,5S)-2-(2,6-dimethylphenoxyacetyl)-amino-3-hydroxy-5-(2S-(1-tetrahydropyrimid-2-onyl)-3-methyl-butanoyl)amino-1,6-diphenylhexane and analogs thereof.
    Type: Grant
    Filed: August 29, 2001
    Date of Patent: April 16, 2002
    Assignee: Abbott Laboratories
    Inventors: Sanjay R. Chemburkar, Ketan M. Patel, Harry O. Spiwek
  • Processes and intermediates for preparing retroviral protease inhibitors
    Publication number: 20020035254
    Abstract: The instant invention provides processes and intermediates employed in the synthesis of ((2S,3S,5S)-2-(2,6-dimethylphenoxyacetyl)-amino-3-hydroxy-5-(2S-(1-tetrahydropyrimid-2-onyl)-3-methyl-butanoyl)amino-1,6-diphenylhexane and analogs thereof.
    Type: Application
    Filed: August 29, 2001
    Publication date: March 21, 2002
    Inventors: Sanjay R. Chemburkar, Ketan M. Patel, Harry O. Spiwek
  • Retroviral protease inhibiting compounds
    Publication number: 20020004503
    Abstract: A compound of the formula: 1
    Type: Application
    Filed: April 18, 2001
    Publication date: January 10, 2002
    Inventors: Hing Leung Sham, Daniel W. Norbeck, Xiaoqi Chen, David A. Betebenner, Dale J. Kempf, Thomas R. Herrin, Gondi N. Kumar, Stephen L. Condon, Arthur J. Cooper, Daniel A. Dickman, Steven M. Hannick, Lawrence Kolaczkowski, Patricia A. Oliver, Daniel J. Plata, Peter J. Stengel, Eric J. Stoner, Jieh-Heh J. Tien, Jih-Hua Liu, Ketan M. Patel
  • Retroviral protease inhibiting compounds
    Patent number: 6313296
    Abstract: A compound of the formula: is disclosed as an HIV protease inhibitor. Methods and compositions for inhibiting an HIV infection are also disclosed.
    Type: Grant
    Filed: February 23, 2000
    Date of Patent: November 6, 2001
    Assignee: Abbott Laboratories
    Inventors: Hing Leung Sham, Daniel W. Norbeck, Xiaoqi Chen, David A. Betebenner, Dale J. Kempf, Thomas R. Herrin, Gondi N. Kumar, Stephen L. Condon, Arthur J. Cooper, Daniel A. Dickman, Steven M. Hannick, Lawrence Kolaczkowski, Patricia A. Oliver, Daniel J. Plata, Peter J. Stengel, Eric J. Stoner, Jieh-Heh J. Tien, Jih-Hua Liu, Ketan M. Patel