Patents by Inventor Ramesh N. Patel

Ramesh N. 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).

  • Publication number: 20130012723
    Abstract: Methods and compounds for production of cyclopropyl-fused pyrrolidine-based inhibitors of dipeptidyl peptidase IV are provided.
    Type: Application
    Filed: August 31, 2012
    Publication date: January 10, 2013
    Applicant: BRISTOL-MYERS SQUIBB COMPANY
    Inventors: Truc Chi Vu, David B. Brzozowski, Rita Fox, Jollie Duaine Godfrey, JR., Ronald L. Hanson, Sergei V. Kolotuchin, John A. Mazzullo, Ramesh N. Patel, Jianji Wang, Kwok Wong, Jurong Yu, Jason J. Zhu, David R. Magnin, David J. Augeri, Lawrence G. Hamann
  • Patent number: 8299054
    Abstract: Novel compounds are provided which are 11-beta-hydroxysteroid dehydrogenase type I inhibitors. 11-Beta-hydroxysteroid dehydrogenase type I inhibitors are useful in treating, preventing, or slowing the progression of diseases requiring 11-beta-hydroxysteroid dehydrogenase type I inhibitor therapy. These novel compounds have the structure: enantiomers, diastereomers, solvates, or salts thereof, wherein A, W, X and Z are defined herein.
    Type: Grant
    Filed: April 14, 2010
    Date of Patent: October 30, 2012
    Assignee: Bristol-Myers Squibb Company
    Inventors: Xiang-Yang Ye, Jeffrey A. Robl, Ronald L. Hanson, Zhiwei Guo, Ramesh N. Patel
  • Patent number: 8278462
    Abstract: Methods and compounds for production of cyclopropyl-fused pyrrolidine-based inhibitors of dipeptidyl peptidase IV are provided.
    Type: Grant
    Filed: February 25, 2010
    Date of Patent: October 2, 2012
    Assignee: Bristol-Myers Squibb Company
    Inventors: Truc Chi Vu, David B. Brzozowski, Rita Fox, Jollie Duaine Godfrey, Jr., Ronald L. Hanson, Sergei V. Kolotuchin, John A. Mazzullo, Ramesh N. Patel, Jianji Wang, Kwok Wong, Jurong Yu, Jason J. Zhu, David R. Magnin, David J. Augeri, Lawrence G. Hamann
  • Publication number: 20100274025
    Abstract: Methods and compounds for production of cyclopropyl-fused pyrrolidine-based inhibitors of dipeptidyl peptidase IV are provided.
    Type: Application
    Filed: February 25, 2010
    Publication date: October 28, 2010
    Applicant: BRISTOL-MYERS SQUIBB COMPANY
    Inventors: Truc Chi Vu, David B. Brzozowski, Rita Fox, Jollie Duaine Godfrey, JR., Ronald L. Hanson, Sergei V. Kolotuchin, John A. Mazzullo, Ramesh N. Patel, Jianji Wang, Kwok Wong, Jurong Yu, Jason J. Zhu, David R. Magnin, David J. Augeri, Lawrence G. Hamann
  • Publication number: 20100204199
    Abstract: Novel compounds are provided which are 11-beta-hydroxysteroid dehydrogenase type I inhibitors. 11-Beta-hydroxysteroid dehydrogenase type I inhibitors are useful in treating, preventing, or slowing the progression of diseases requiring 11-beta-hydroxysteroid dehydrogenase type I inhibitor therapy. These novel compounds have the structure: enantiomers, diastereomers, solvates, or salts thereof, wherein A, W, X and Z are defined herein.
    Type: Application
    Filed: April 14, 2010
    Publication date: August 12, 2010
    Inventors: Xiang-Yang Ye, Jeffrey A. Robl, Ronald L. Hanson, Zhiwei Guo, Ramesh N. Patel
  • Patent number: 7705033
    Abstract: Methods and compounds for production of cyclopropyl-fused pyrrolidine-based inhibitors of dipeptidyl peptidase IV are provided.
    Type: Grant
    Filed: July 28, 2008
    Date of Patent: April 27, 2010
    Assignee: Bristol-Myers Squibb Company
    Inventors: Truc Chi Vu, David B. Brzozowski, Rita Fox, Jollie Duaine Godfrey, Jr., Ronald L. Hanson, Sergei V. Kolotuchin, John A. Mazzullo, Ramesh N. Patel, Jianji Wang, Kwok Wong, Jurong Yu, Jason J. Zhu, David R. Magnin, David J. Augeri, Lawrence G. Hamann
  • Patent number: 7696328
    Abstract: This invention relates to isolated or recombinant N-carbobenzyloxy-deprotecting enzyme polypeptides that catalyze the removal of carbobenzyloxy from carbobenzyloxy-protected amino acids and alcohols. Also related are isolated nucleic acids encoding N-carbobenzyloxy-deprotecting enzyme polypeptides thereof, as well as vectors and host cells comprising these nucleic acids. The invention also relates to methods of obtaining isolated nucleic acids, polypeptides, and antibodies, and methods of using the polypeptides in various reactions for industrial or pharmaceutical applications.
    Type: Grant
    Filed: April 28, 2008
    Date of Patent: April 13, 2010
    Assignee: Bristol-Myers Squibb Company
    Inventors: Venkata B. Nanduri, Ramesh N. Patel, Steven L. Goldberg, Robert M. Johnston
  • Patent number: 7655689
    Abstract: Fused cyclic compounds, methods of using such compounds in the treatment of nuclear hormone receptor-associated conditions such as cancer and immune disorders, and pharmaceutical compositions containing such compounds.
    Type: Grant
    Filed: March 20, 2006
    Date of Patent: February 2, 2010
    Assignee: Bristol-Myers Squibb Company
    Inventors: Mark E. Salvati, James Aaron Balog, Dacia A. Pickering, Sören Giese, Aberra Fura, Wenying Li, Ramesh N. Patel, Ronald L. Hanson, Toomas Mitt, Jacques Y. Roberge, James R. Corte, Steven H. Spergel, Richard A. Rampulla, Raj N. Misra, Hai-Yun Xiao
  • Publication number: 20090298794
    Abstract: The present invention provides compounds having the following Formula IA and IB, which are useful as MCHR1 antagonists, and includes prodrugs and pharmaceutically acceptable salts thereof:
    Type: Application
    Filed: May 28, 2009
    Publication date: December 3, 2009
    Inventors: William N. Washburn, Saleem Ahmad, Pratik Devasthale, Jeffrey A. Robl, Animesh Goswami, Zhiwei Guo, Ramesh N. Patel
  • Patent number: 7611880
    Abstract: An enzymatic ammonolysis process is provided for the preparation of intermediates used in preparing dipeptidyl peptidase IV inhibitors wherein the enzyme Candida antarctica lipase-B is used to catalyze the ammonolysis process.
    Type: Grant
    Filed: April 18, 2007
    Date of Patent: November 3, 2009
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ramesh N. Patel, Ronald L. Hanson, Iqbal Gill, David B. Brzozowski, Paul M. Skonezny, Michael M. Politino, Jason G. Chen, Francisco Moris-Varas, Brenda J. White
  • Publication number: 20090104670
    Abstract: This invention relates to isolated or recombinant N-carbobenzyloxy-deprotecting enzyme polypeptides that catalyze the removal of carbobenzyloxy from carbobenzyloxy-protected amino acids and alcohols. Also related are isolated nucleic acids encoding N-carbobenzyloxy-deprotecting enzyme polypeptides thereof, as well as vectors and host cells comprising these nucleic acids. The invention also relates to methods of obtaining isolated nucleic acids, polypeptides, and antibodies, and methods of using the polypeptides in various reactions for industrial or pharmaceutical applications.
    Type: Application
    Filed: April 28, 2008
    Publication date: April 23, 2009
    Inventors: Venkata B. Nanduri, Ramesh N. Patel, Steven L. Goldberg, Robert M. Johnston
  • Patent number: 7517904
    Abstract: Fused cyclic compounds, methods of using such compounds in the treatment of nuclear hormone receptor-associated conditions such as cancer and immune disorders, and pharmaceutical compositions containing such compounds.
    Type: Grant
    Filed: July 7, 2005
    Date of Patent: April 14, 2009
    Assignee: Bristol-Myers Squibb Company
    Inventors: Mark E. Salvati, James Aaron Balog, Dacia A. Pickering, Sören Giese, Aberra Fura, Wenying Li, Ramesh N. Patel, Ronald L. Hanson, Toomas Mitt, Jacques Y. Roberge, James R. Corte, Steven H. Spergel, Richard A. Rampulla, Raj N. Misra, Hai-Yun Xiao
  • Publication number: 20090018311
    Abstract: Methods and compounds for production of cyclopropyl-fused pyrrolidine-based inhibitors of dipeptidyl peptidase IV are provided.
    Type: Application
    Filed: July 28, 2008
    Publication date: January 15, 2009
    Applicant: BRISTOL-MYERS SQUIBB COMPANY
    Inventors: Truc Chi Vu, David B. Brzozowski, Rita Fox, Jollie Duaine Godfrey, JR., Ronald L. Hanson, Sergei V. Kolotuchin, John A. Mazzullo, Ramesh N. Patel, Jianji Wang, Kwok Wong, Jurong Yu, Jason J. Zhu, David R. Magnin, David J. Augeri, Lawrence G. Hamann
  • Publication number: 20080234249
    Abstract: Novel compounds are provided which are 11-beta-hydroxysteroid dehydrogenase type I inhibitors. 11-Beta-hydroxysteroid dehydrogenase type I inhibitors are useful in treating, preventing, or slowing the progression of diseases requiring 11-beta-hydroxysteroid dehydrogenase type I inhibitor therapy. These novel compounds have the structure: enantiomers, diastereomers, solvates, or salts thereof, wherein A, W, X and Z are defined herein.
    Type: Application
    Filed: August 22, 2007
    Publication date: September 25, 2008
    Inventors: Xiang-Yang Ye, Jeffrey A. Robl, Ronald L. Hanson, Zhiwei Guo, Ramesh N. Patel
  • Patent number: 7420079
    Abstract: Methods and compounds for production of cyclopropyl-fused pyrrolidine-based inhibitors of dipeptidyl peptidase IV are provided.
    Type: Grant
    Filed: November 18, 2003
    Date of Patent: September 2, 2008
    Assignee: Bristol-Myers Squibb Company
    Inventors: Truc Chi Vu, David B. Brzozowski, Rita Fox, Jollie Duaine Godfrey, Jr., Ronald L. Hanson, Sergei V. Kolotuchin, John A. Mazzullo, Ramesh N. Patel, Jianji Wang, Kwok Wong, Jurong Yu, Jason J. Zhu, David R. Magnin, David J. Augeri, Lawrence G. Hamann
  • Patent number: 7416876
    Abstract: This invention relates to isolated or recombinant N-CBZ-deprotecting enzyme polypeptides that catalyze the removal of CBZ from CBZ-protected amino acids and alcohols, and variants, modifications, and fragments thereof. Also related are isolated nucleic acids encoding N-CBZ-deprotecting enzyme polypeptides, and variants, modifications, and fragments thereof, as well as vectors and host cells comprising these nucleic acids. The invention also relates to methods of obtaining isolated nucleic acids, polypeptides, and antibodies, and methods of using polypeptides in various reactions for industrial or pharmaceutical applications.
    Type: Grant
    Filed: August 10, 2006
    Date of Patent: August 26, 2008
    Assignee: Bristol-Meyers Squibb Company
    Inventors: Venkata B. Nanduri, Ramesh N. Patel, Steven L. Goldberg, Robert M. Johnston
  • Patent number: 7393667
    Abstract: The invention relates to a process for the enzymatic, stereoselective reduction of ketone compounds to provide chiral alcohols, for example the compound of formula Ib:
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: July 1, 2008
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ramesh N. Patel, Linda Nga Hoong Chu, Robert M. Johnson, Zhiwei Guo, Yijun Chen, Steven L. Goldberg, Ronald L. Hanson, Animesh Goswami, Kishta Katipally
  • Patent number: 7223573
    Abstract: An enzymatic ammonolysis process is provided for the preparation of intermediates used in preparing dipeptidyl peptidase IV inhibitors wherein the enzyme Candida antarctica lipase-B is used to catalyze the ammonolysis process.
    Type: Grant
    Filed: May 2, 2005
    Date of Patent: May 29, 2007
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ramesh N. Patel, Ronald L. Hanson, Iqbal Gill, David B. Brzozowski, Paul M. Skonezny, Michael M. Politino, Jason G. Chen, Francisco Moris-Varas, Brenda J. White
  • Patent number: 7141578
    Abstract: Fused cyclic compounds, methods of using such compounds in the treatment of nuclear hormone receptor-associated conditions such as cancer and immune disorders, and pharmaceutical compositions containing such compounds.
    Type: Grant
    Filed: October 25, 2004
    Date of Patent: November 28, 2006
    Assignee: Bristol-Myers Squibb Company
    Inventors: Mark E. Salvati, James Aaron Balog, Dacia A. Pickering, Sören Giese, Aberra Fura, Wenying Li, Ramesh N. Patel, Ronald L. Hanson, Toomas Mitt, Jacques Y. Roberge, James R. Corte, Steven H. Spergel, Richard A. Rampulla, Raj N. Misra, Hai-Yun Xiao
  • Patent number: 7119188
    Abstract: This invention relates to isolated or recombinant N-carbobenzyloxy-deprotecting enzyme polypeptides, and variants and fragments thereof, that catalyze the removal of carbobenzyloxy from carbobenzyloxy-protected amino acids and alcohols. Also related are isolated nucleic acids encoding N-carbobenzyloxy-deprotecting enzyme polypeptides, and variants, and fragments thereof, as well as vectors and host cells comprising these nucleic acids. The invention also relates to methods of obtaining isolated nucleic acids, polypeptides, and antibodies, and methods of using the polypeptides in various reactions for industrial or pharmaceutical applications.
    Type: Grant
    Filed: June 3, 2003
    Date of Patent: October 10, 2006
    Assignee: Bristol-Myers Squibb Company
    Inventors: Venkata B. Nanduri, Ramesh N. Patel, Steven L. Goldberg, Robert M. Johnston