Patents by Inventor Chandra Vemavarapu

Chandra Vemavarapu 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).

  • APIXABAN FORMULATIONS
    Publication number: 20200375968
    Abstract: Compositions comprising crystalline apixaban particles having a D90 equal to or less than 89 ?m, and a pharmaceutically acceptable carrier, are substantially bioequivalent and can be used to for the treatment and/or prophylaxis of thromboembolic disorders.
    Type: Application
    Filed: May 14, 2020
    Publication date: December 3, 2020
    Inventors: Jatin Patel, Charles Frost, Jingpin Jia, Chandra Vemavarapu
  • APIXABAN FORMULATIONS
    Publication number: 20170202825
    Abstract: Compositions comprising crystalline apixaban particles having a D90 equal to or less than 89 ?m, and a pharmaceutically acceptable carrier, are substantially bioequivalent and can be used to for the treatment and/or prophylaxis of thromboembolic disorders.
    Type: Application
    Filed: March 30, 2017
    Publication date: July 20, 2017
    Inventors: Jatin Patel, Charles Frost, Jingpin Jia, Chandra Vemavarapu
  • APIXABAN FORMULATIONS
    Publication number: 20170202824
    Abstract: Compositions comprising crystalline apixaban particles having a D90 equal to or less than 89 ?m, and a pharmaceutically acceptable carrier, are substantially bioequivalent and can be used to for the treatment and/or prophylaxis of thromboembolic disorders.
    Type: Application
    Filed: March 30, 2017
    Publication date: July 20, 2017
    Inventors: Jatin Patel, Charles Frost, Jingpin Jia, Chandra Vemavarapu
  • APIXABAN FORMULATIONS
    Publication number: 20160243101
    Abstract: Compositions comprising crystalline apixaban particles having a D90 equal to or less than 89 ?m, and a pharmaceutically acceptable carrier, are substantially bioequivalent and can be used to for the treatment and/or prophylaxis of thromboembolic disorders.
    Type: Application
    Filed: March 31, 2016
    Publication date: August 25, 2016
    Inventors: Jatin Patel, Charles Frost, Jingpin Jia, Chandra Vemavarapu
  • Apixaban formulations
    Patent number: 9326945
    Abstract: Compositions comprising crystalline apixaban particles having a D90 equal to or less than 89 ?m, and a pharmaceutically acceptable carrier, are substantially bioequivalent and can be used to for the treatment and/or prophylaxis of thromboembolic disorders.
    Type: Grant
    Filed: February 24, 2011
    Date of Patent: May 3, 2016
    Assignees: Bristol-Myers Squibb Company, Pfizer Inc.
    Inventors: Jatin Patel, Charles Frost, Jingpin Jia, Chandra Vemavarapu
  • ORAL SOLID DOSAGE FORMULATION OF 1,1-DIMETHYLETHYL [(1S)-1-CARBAMOYL)PYRROLIDIN-1-YL]CARBONYL}-2,2-DIMETHYLPROPYL]CARBAMATE
    Publication number: 20150119317
    Abstract: The present invention is directed to an oral solid dosage formulation of Asunaprevir, 1,1-dimethylethyl[(1S)-1-{[(2S,4R)-4-(7-chloro-4methoxyisoquinolin-1-yloxy)-2-({(1R,2S)-1-[(cyclopropylsulfonyl)carbamoyl]-2-ethenylcyclopropyl}carbamoyl)pyrrolidin-1-yl]carbonyl}-2,2-dimethylpropyl]carbamate, and to methods of using the formulation in the treatment and/or inhibition of the hepatitis C virus and infections caused thereby.
    Type: Application
    Filed: May 3, 2013
    Publication date: April 30, 2015
    Inventors: Rhye Hamey, Preetanshu Pandey, Dilbir S. Bindra, Chandra Vemavarapu, Robert Kevin Perrone
  • APIXABAN FORMULATIONS
    Publication number: 20130045245
    Abstract: Compositions comprising crystalline apixaban particles having a D90 equal to or less than 89 ?m, and a pharmaceutically acceptable carrier, are substantially bioequivalent and can be used to for the treatment and/or prophylaxis of thromboembolic disorders.
    Type: Application
    Filed: February 24, 2011
    Publication date: February 21, 2013
    Applicants: PFIZER, INC., BRISTOL-MYERS SQUIBB COMPANY
    Inventors: Jatin Patel, Charles Frost, Jingpin Jia, Chandra Vemavarapu
  • Preparation of pharmaceutical compositions containing nanoparticles
    Publication number: 20070020197
    Abstract: Materials and methods for preparing pharmaceutical nanoparticle suspensions or dispersions, granulations and dosage forms are disclosed. The methods employ a modular high-pressure spray homogenizer coupled to a wet granulator to form stabilized nanoparticle suspensions and granulations.
    Type: Application
    Filed: June 29, 2005
    Publication date: January 25, 2007
    Inventors: Christopher Galli, Mayur Lodaya, Matthew Mollan, William Polak, Umang Shah, Chandra Vemavarapu