Patents by Inventor Sanjay R. Chemburkar

Sanjay R. Chemburkar 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).

  • Spirocyclopropyl amides and acids and their therapeutic applications
    Publication number: 20040204396
    Abstract: The present invention relates to the use of compounds of formula (I) 1
    Type: Application
    Filed: October 22, 2003
    Publication date: October 14, 2004
    Inventors: Youseff L. Bennani, William H. Bunnelle, Sou-Jen Chang, Sanjay R. Chemburkar, Jinhua Chen, Michael J. Dart, Dilinie Fernando, Yi-Yin Ku, Mark Lockwood, Lei Wang
  • Fused cycloalkyl amides and acids and their therapeutic applications
    Publication number: 20040077617
    Abstract: The present invention relates to the use of compounds of formula (I) 1
    Type: Application
    Filed: October 22, 2002
    Publication date: April 22, 2004
    Inventors: Youssef L. Bennani, Sou-Jen Chang, Sanjay R. Chemburkar, Michael J. Dart, Dilinie P. Fernando, Timothy A. Grieme
  • Cycloalkylamides and their therapeutic applications
    Publication number: 20040077618
    Abstract: The present invention relates to the use of compounds of formula (I) 1
    Type: Application
    Filed: October 22, 2002
    Publication date: April 22, 2004
    Inventors: Youssef L. Bennani, Steve A. Chamberlin, Sanjay R. Chemburkar, Jinhua Chen, Michael J. Dart, Ashok K. Gupta, Lei Wang
  • Spirocyclopropyl amides and acids and their therapeutic applications
    Publication number: 20040077616
    Abstract: The present invention relates to the use of compounds of formula (I) 1
    Type: Application
    Filed: October 22, 2002
    Publication date: April 22, 2004
    Inventors: Youssef L. Bennani, William H. Bunnelle, Sou-Jen Chang, Sanjay R. Chemburkar, Jinhua Chen, Michael J. Dart, Dilinie P. Fernando, Yi-Yin Ku, Mark Lockwood, Lei Wang
  • 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
  • Process for the preparation of arylalkynyl-N-hydroxyurea derivatives having lipoxygenase inhibitory activity
    Patent number: 5714633
    Abstract: The present invention provides a process for the preparation of a compound of formula ##STR1## wherein R is a straight or branched alkyl group of from one to twelve carbon atoms; M represents hydrogen or a pharmaceutically acceptable cation; and A is selected from optionally substituted carbocyclic phenyl.
    Type: Grant
    Filed: August 16, 1996
    Date of Patent: February 3, 1998
    Assignee: Abbott Laboratories
    Inventors: Sanjay R. Chemburkar, Hemantkumar H. Patel, David P. Sawick, Albert V. Thomas
  • Process for the preparation of N-4-[(substituted phenyl)alkylheterocyclic]- N
    Patent number: 5580989
    Abstract: A process for preparing a compound of the structure I ##STR1## where A is oxygen and sulfur and R.sup.1 is selected from the group consisting of hydrogen, halogen, alkyl of one to six carbon atoms, alkoxy of one to six carbon atoms, and trifluoromethyl, and R.sup.2 is alkyl of one to four carbon atoms, comprising coupling a compound of formula II: ##STR2## where X is bromine or iodine, with an N-hydroxyurea compound of formula III: ##STR3## in the presence of a palladium catalyst followed by reaction of the product thus formed with an alkali metal isocyante.The compounds of formula I are inhibitors of the enzyme 5-lipoxygenase and are thus useful as therapeutic agents for the treatment of allergic and inflammatory disease conditions.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: December 3, 1996
    Assignee: Abbott Laboratories
    Inventors: James D. Ratajczyk, Juliette K. Busse, Sanjay R. Chemburkar, Daniel A. Dickman, Yi-Yin Ku, Hemantkumar H. Patel, Ramesh R. Patel, David P. Sawick, John N. Starr, Bhadra Shelat, Harry O. Spiwek
  • Process for the production of 2-acetylbenzo [.beta.]thiophenes
    Patent number: 5169961
    Abstract: A process for the production in high yield of 2-acetylbenzo[.beta.]thiophene and its alkyl and alkoxy substituted derivatives by converting a 2-halobenzaldehyde to a 2,2'-dithiobis(benzaldehyde) intermediate and reacting that intermediate successively with 2,4-pentanedione and chloroacetone in the presence of base.
    Type: Grant
    Filed: November 22, 1991
    Date of Patent: December 8, 1992
    Assignee: Abbott Laboratories
    Inventors: Daniel A. Dickman, Bruce W. Horrom, Brian A. Roden, Sanjay R. Chemburkar