Patents by Inventor Yoginder Pal Sachdeva

Yoginder Pal Sachdeva 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 the preparation of tofacitinib and intermediates thereof
    Patent number: 9481679
    Abstract: The present invention provides compounds of Formula III and Formula VI, and processes for their preparation. The present invention further provides use of the compounds of Formula III and Formula VI for the preparation of tofacitinib or isomers or a mixture of isomers or salts thereof.
    Type: Grant
    Filed: December 17, 2013
    Date of Patent: November 1, 2016
    Assignee: SUN PHARMACEUTICAL INDUSTRIES LIMITED
    Inventors: Mohammed Salman Hashmi, Yoginder Pal Sachdeva, Chandra Has Khanduri
  • PROCESS FOR THE PREPARATION OF TOFACITINIB AND INTERMEDIATES THEREOF
    Publication number: 20150322072
    Abstract: The present invention provides compounds of Formula III and Formula VI, and processes for their preparation. The present invention further provides use of the compounds of Formula III and Formula VI for the preparation of tofacitinib or isomers or a mixture of isomers or salts thereof.
    Type: Application
    Filed: December 17, 2013
    Publication date: November 12, 2015
    Inventors: Mohammed Salman HASHMI, Yoginder Pal SACHDEVA, Chandra Has KHANDURI
  • PROCESS FOR THE PREPARATION OF RIVAROXABAN AND INTERMEDIATES THEREOF
    Publication number: 20150299160
    Abstract: The present invention provides processes for the preparation of rivaroxaban and its intermediates.
    Type: Application
    Filed: April 16, 2013
    Publication date: October 22, 2015
    Inventors: Pankaj Kumar SINGH, Mohammed Salman HASHMI, Yoginder Pal SACHDEVA, Chandra Has KHANDURI
  • PROCESS FOR THE PREPARATION OF RIVAROXABAN
    Publication number: 20150218145
    Abstract: The present invention provides a process for the preparation of rivaroxaban in a process that includes cyclizing a compound of Formula (II) with a dialkyl carbonate in the presence of a base.
    Type: Application
    Filed: September 26, 2013
    Publication date: August 6, 2015
    Inventors: Mohammed Salman Hashmi, Yoginder Pal Sachdeva
  • PROCESS FOR THE PREPARATION OF FORM I AND FORM II OF RITONAVIR
    Publication number: 20100099885
    Abstract: The present invention relates to processes for the preparation of Form I and Form II of Ritonavir, wherein no seed crystals are used.
    Type: Application
    Filed: October 1, 2007
    Publication date: April 22, 2010
    Inventors: Mukesh Kumar Sharma, Chandra Has Khanduri, Pankaj Kumar Singh, Yoginder Pal Sachdeva
  • Processes for the Preparation of Stable Polymorphic Form I of Ritonavir
    Publication number: 20080312300
    Abstract: The invention relates to processes for the preparation of a polymorphic form of ritonavir. More particularly, it relates to the preparation of a stable polymorphic Form I of ritonavir. The invention also relates to pharmaceutical compositions that include the stable Form I of ritonavir and use of the compositions for treatment of HIV infections in combination with other antiretro viral agents.
    Type: Application
    Filed: May 30, 2006
    Publication date: December 18, 2008
    Inventors: Yoginder Pal Sachdeva, Prosenjit Bose