Patents by Inventor Kishta Katipally

Kishta Katipally 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).

  • Process for preparing tetrahydrocarbazole carboxamide compound
    Patent number: 11591314
    Abstract: Disclosed is a process for preparing Compound 8: comprising the step of reacting Compound of 7: wherein R is C1-8 alkyl or benzyl in the presence of a base. Also disclosed are intermediates and processes for preparing the intermediates.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: February 28, 2023
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ronald Carrasquillo, Peng Geng, Eric C. Huang, Kishta Katipally, Andrew Lee, Boguslaw Mudryk, Xinhua Qian, Thomas M. Razler, Jianji Wang, Carolyn S. Wei, Steven R. Wisniewski, Ye Zhu
  • PROCESS FOR PREPARING TETRAHYDROCARBAZOLE CARBOXAMIDE COMPOUND
    Publication number: 20210078980
    Abstract: Disclosed is a process for preparing Compound 8: comprising the step of reacting Compound of 7: wherein R is C1-8 alkyl or benzyl in the presence of a base. Also disclosed are intermediates and processes for preparing the intermediates.
    Type: Application
    Filed: November 23, 2020
    Publication date: March 18, 2021
    Inventors: Ronald Carrasquillo, Peng Geng, Eric C. Huang, Kishta Katipally, Andrew Lee, Boguslaw Mudryk, Xinhua Qian, Thomas M. Razler, Jianji Wang, Carolyn S. Wei, Steven R. Wisniewski, Ye Zhu
  • Process for preparing tetrahydrocarbazole carboxamide compound
    Patent number: 10875843
    Abstract: Disclosed is a process for preparing Compound 8: (8) comprising the step of reacting Compound of 7: (7) wherein R is C1-8 alkyl or benzyl in the presence of a base. Also disclosed are intermediates and processes for preparing the intermediates.
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: December 29, 2020
    Assignee: Bristol-Myers Squibb Company
    Inventors: Ronald Carrasquillo, Peng Geng, Eric C. Huang, Kishta Katipally, Andrew Lee, Boguslaw Mudryk, Xinhua Qian, Thomas M. Razler, Jianji Wang, Carolyn S. Wei, Steven R. Wisniewski, Ye Zhu
  • PROCESS FOR PREPARING TETRAHYDROCARBAZOLE CARBOXAMIDE COMPOUND
    Publication number: 20200109133
    Abstract: Disclosed is a process for preparing Compound 8: (8) comprising the step of reacting Compound of 7: (7) wherein R is C1-8 alkyl or benzyl in the presence of a base. Also disclosed are intermediates and processes for preparing the intermediates.
    Type: Application
    Filed: December 19, 2017
    Publication date: April 9, 2020
    Inventors: Ronald Carrasquillo, Peng Geng, Eric C. Huang, Kishta Katipally, Andrew Lee, Boguslaw M. Mudryk, Xinhua Qian, Thomas M. Razler, Jianji Wang, Carolyn S. Wei, Steven R. Wisniewski, Ye Zhu
  • 5-METHYLURIDINE METHOD FOR PRODUCING FESTINAVIR
    Publication number: 20160060252
    Abstract: The NRTI compound festinavir is made using 5-methyluridine as a starting material, followed by Claisen rearrangement.
    Type: Application
    Filed: April 14, 2014
    Publication date: March 3, 2016
    Inventors: William P. Gallagher, Prashant P. Deshpande, Jun Li, Kishta Katipally
  • Stereoselective reduction process for the preparation of pyrrolotriazine compounds
    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
  • STEREOSELECTIVE REDUCTION PROCESS FOR THE PREPARATION OF PYRROLOTRIAZINE COMPOUNDS
    Publication number: 20060286646
    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: Application
    Filed: May 31, 2006
    Publication date: December 21, 2006
    Applicant: Bristol-Myers Squibb Company
    Inventors: Ramesh Patel, Linda Chu, Robert Johnson, Zhiwei Guo, Yijun Chen, Steven Goldberg, Ronald Hanson, Animesh Goswami, Kishta Katipally
  • Fused pyridopyridazine inhibitors of cGMP phosphodiesterase
    Patent number: 6316438
    Abstract: Compounds of the formula are useful as inhibitors of cGMP PDE especially Type 5.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: November 13, 2001
    Assignee: Bristol-Myers Squibb Co.
    Inventors: Guixue Yu, John Macor, Soojin Kim, Hyei-Jha Chung, Michael Humora, Kishta Katipally, Yizhe Wang