Patents by Inventor Vikram Kalthod

Vikram Kalthod 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).

  • ENZYME COMPOSITIONS WITH REDUCED VIRAL AND MICROBIAL CONTAMINATION
    Publication number: 20220211825
    Abstract: The present invention pertains to an enzyme preparation obtained from e-beam irradiated animal tissue, such as porcine pancreas. The present invention also pertains to methods for making such enzyme preparations, pharmaceutical compositions comprising such enzymes preparations, and methods for using such pharmaceutical compositions and enzyme preparations.
    Type: Application
    Filed: March 21, 2022
    Publication date: July 7, 2022
    Inventors: Martin Babcock, Cynthia Burnell, Vikram Kalthod, Joerg Breitenbach, Frithjof Sczesny, Frauke-Regina Rueffer, George Shlieout
  • Enzyme compositions with reduced viral and microbial contamination
    Patent number: 11278603
    Abstract: The present invention pertains to an enzyme preparation obtained from e-beam irradiated animal tissue, such as porcine pancreas. The present invention also pertains to methods for making such enzyme preparations, pharmaceutical compositions comprising such enzymes preparations, and methods for using such pharmaceutical compositions and enzyme preparations.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: March 22, 2022
    Assignee: AbbVie Inc.
    Inventors: Martin Babcock, Cynthia Burnell, Vikram Kalthod, Joerg Breitenbach, Frithjof Sczesny, Frauke-Regina Rueffer, George Shlieout
  • ENZYME COMPOSITIONS WITH REDUCED VIRAL AND MICROBIAL CONTAMINATION
    Publication number: 20190201502
    Abstract: The present invention pertains to an enzyme preparation obtained from e-beam irradiated animal tissue, such as porcine pancreas. The present invention also pertains to methods for making such enzyme preparations, pharmaceutical compositions comprising such enzymes preparations, and methods for using such pharmaceutical compositions and enzyme preparations.
    Type: Application
    Filed: March 6, 2019
    Publication date: July 4, 2019
    Inventors: Martin Babcock, Cynthia Burnell, Vikram Kalthod, Joerg Breitenbach, George Shlieout, Frithjof Sczesny, Frauke-Regina Rueffer
  • Anti-viral compounds
    Patent number: 10053474
    Abstract: The present invention features compounds effective in inhibiting active against Hepatitis C virus (“HCV”) polymerase. The invention also features processes of making such compounds, compositions comprising such compounds, and methods of using such compounds to treat HCV infection.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: August 21, 2018
    Assignee: AbbVie Inc.
    Inventors: Jaclyn Chau, Hui-Ju J. Chen, David A. DeGoey, John Hartung, Nathan Ide, Vikram Kalthod, Allan C. Krueger, Yi-Yin Ku, Tongmei Li, John T. Randolph, Rolf Wagner, Geoff T. Halvorsen, Christopher C. Marvin, Eric Voight, Brian S. Brown, Steven R. Martinez, Anurupa Shrestha, Howard R. Heyman
  • ENZYME COMPOSITIONS WITH REDUCED VIRAL AND MICROBIAL CONTAMINATION
    Publication number: 20180036393
    Abstract: The present invention pertains to an enzyme preparation obtained from e-beam irradiated animal tissue, such as porcine pancreas. The present invention also pertains to methods for making such enzyme preparations, pharmaceutical compositions comprising such enzymes preparations, and methods for using such pharmaceutical compositions and enzyme preparations.
    Type: Application
    Filed: September 27, 2017
    Publication date: February 8, 2018
    Inventors: Martin Babcock, Cynthia Burnell, Daniel Crandall, John Dete, Mark Hess, Shannon Hertzler, Vikram Kalthod, William Riordan, Houston Sanders
  • Anti-Viral Compounds
    Publication number: 20180022763
    Abstract: The present invention features compounds effective in inhibiting active against Hepatitis C virus (“HCV”) polymerase. The invention also features processes of making such compounds, compositions comprising such compounds, and methods of using such compounds to treat HCV infection.
    Type: Application
    Filed: May 5, 2017
    Publication date: January 25, 2018
    Applicant: AbbVie Inc.
    Inventors: Jaclyn Chau, Hui-Ju J. Chen, David A. DeGoey, John Hartung, Nathan Ide, Vikram Kalthod, Allan C. Krueger, Yi-Yin Ku, Tongmei Li, John T. Randolph, Rolf Wagner, Geoff T. Halvorsen, Christopher C. Marvin, Eric Voight, Brian S. Brown, Steven R. Martinez, Anurupa Shrestha, Howard R. Heyman
  • ENZYME COMPOSITIONS WITH REDUCED VIRAL AND MICROBIAL CONTAMINATION
    Publication number: 20170274055
    Abstract: The present invention pertains to an enzyme preparation obtained from e-beam irradiated animal tissue, such as porcine pancreas. The present invention also pertains to methods for making such enzyme preparations, pharmaceutical compositions comprising such enzymes preparations, and methods for using such pharmaceutical compositions and enzyme preparations.
    Type: Application
    Filed: March 27, 2017
    Publication date: September 28, 2017
    Inventors: Martin Babcock, Cynthia Burnell, Daniel Crandall, John Dete, Mark Hess, Shannon Hertzler, Vikram Kalthod, William Riordan, Houston Sanders
  • Anti-viral compounds
    Patent number: 9676797
    Abstract: The present invention features compounds effective in inhibiting active against Hepatitis C virus (“HCV”) polymerase. The invention also features processes of making such compounds, compositions comprising such compounds, and methods of using such compounds to treat HCV infection.
    Type: Grant
    Filed: September 1, 2016
    Date of Patent: June 13, 2017
    Assignee: AbbVie Inc.
    Inventors: Hui-Ju J. Chen, David A. DeGoey, John Hartung, Nathan Ide, Vikram Kalthod, Allan C. Krueger, Yi-Yin Ku, Tongmei Li, John T. Randolph, Rolf Wagner, Jaclyn Chau, Geoff T. Halvorsen, Christopher C. Marvin, Eric Voight
  • Anti-Viral Compounds
    Publication number: 20170057981
    Abstract: The present invention features compounds effective in inhibiting active against Hepatitis C virus (“HCV”) polymerase. The invention also features processes of making such compounds, compositions comprising such compounds, and methods of using such compounds to treat HCV infection.
    Type: Application
    Filed: September 1, 2016
    Publication date: March 2, 2017
    Applicant: AbbVie Inc.
    Inventors: Hui-Ju J. Chen, David A. DeGoey, John Hartung, Nathan Ide, Vikram Kalthod, Allan C. Krueger, Yi-Yin Ku, Tongmei Li, John T. Randolph, Rolf Wagner, Jaclyn Chau, Geoff T. Halvorsen, Christopher C. Marvin, Eric Voight
  • Compounds and methods for preparing methanesulfonamides
    Publication number: 20050148796
    Abstract: A process for preparing (S)-(?)-N-[4-[4-[ethyl(6-fluoro-6-methylheptyl)amino]-1-hydroxylphenyl]methanesulfonamide hemifumarate salt, which comprises reacting N-[4-[(2S)-tetrahydro-5-hydroxy-2-furanyl]phenyl]methanesulfonamide(IIa) with fluoroamine (III) in the presence of triacetoxyborohydride and ethyl acetate to provide [4-[-4-[ethyl(6-fluoro-6-methylheptyl)amino]-1-hydroxylphenyl]methanesulfonamide(I) and then converting I into the hemifumarate salt Ia. A process for preparing IIa is also claimed as well as intermediates IIa-IId.
    Type: Application
    Filed: February 28, 2005
    Publication date: July 7, 2005
    Inventors: Sonja MacKey, Michael Matison, Haifeng Wu, Michael Goble, Moses McMillan, Vikram Kalthod
  • Method for catalyzing amidation reactions
    Publication number: 20050059824
    Abstract: The invention provides a method of preparing a compound of formula 2 wherein R1 and R6 are as defined herein, by a catalytic amidation process in the presence of added carbon dioxide. The inventive methods show surprising rate enhancement relative to the corresponding uncatalyzed reaction.
    Type: Application
    Filed: September 9, 2004
    Publication date: March 17, 2005
    Inventors: Rajappa Vaidyanathan, Vikram Kalthod