Patents by Inventor Dhiraj Rathod

Dhiraj Rathod 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 vilazodone hydrochloride and its amorphous form
    Patent number: 9969721
    Abstract: The present invention relates to an improved process for the preparation of vilazodone Hydrochloride and a process for preparation of novel pure amorphous form of vilazodone hydrochloride.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: May 15, 2018
    Assignee: Alembic Pharmaceuticals Limited
    Inventors: Venkat Raman Jayaraman, Dhiraj Rathod, Irfan Vohra, Vinayak Bhujade, Viral Modi, Mayur Budh, Ojas Gandhi
  • Process for the preparation of vilazodone hydrochloride and its amorphous form
    Patent number: 9493443
    Abstract: The present invention relates to an improved process for the preparation of vilazodone hydrochloride and a process for preparation of novel pure amorphous form of vilazodone hydrochloride.
    Type: Grant
    Filed: April 6, 2015
    Date of Patent: November 15, 2016
    Assignee: Alembic Pharmaceuticals Limited
    Inventors: Venkat Raman Jayaraman, Dhiraj Rathod, Irfan Vohra, Vinayak Bhujade, Viral Modi, Mayur Budh, Ojas Gandhi
  • PROCESS FOR THE PREPARATION OF VILAZODONE HYDROCHLORIDE AND ITS AMORPHOUS FORM
    Publication number: 20150239871
    Abstract: The present invention relates to an improved process for the preparation of vilazodone hydrochloride and a process for preparation of novel pure amorphous form of vilazodone hydrochloride.
    Type: Application
    Filed: April 6, 2015
    Publication date: August 27, 2015
    Applicant: ALEMBIC PHARMACEUTICALS LIMITED
    Inventors: Venkat Raman Jayaraman, Dhiraj Rathod, Irfan Vohra, Vinayak Bhujade, Viral Modi, Mayur Budh, Ojas Gandhi
  • PROCESS FOR THE PREPARATION OF VILAZODONE HYDROCHLORIDE AND ITS AMORPHOUS FORM
    Publication number: 20150087835
    Abstract: The present invention relates to an improved process for the preparation of vilazodone Hydrochloride and a process for preparation of novel pure amorphous form of vilazodone hydrochloride.
    Type: Application
    Filed: April 5, 2013
    Publication date: March 26, 2015
    Applicant: ALEMBIC PHARMACEUTICALS LIMITED
    Inventors: Venkat Raman Jayaraman, Dhiraj Rathod, Irfan Vohra, Vinayak Bhujade, Viral Modi, Mayur Budh, Ojas Gandhi
  • PROCESS FOR THE PREPARATION OF LINEZOLID
    Publication number: 20130137864
    Abstract: The present invention provides an improved process for the preparation of Linezolid of formula (D. The present invention relates to preparation of intermediate (R)—N-[[3-[3-fluoro-4-morpholinyl]phenyl|-2-oxo-5-oxazolidinyl]methanol of formula (II), Linezolid amine of formula (Ia) and their use in the preparation of Linezolid. The present invention further provides process for the preparation of Form I of Linezolid of formula (I).
    Type: Application
    Filed: December 9, 2010
    Publication date: May 30, 2013
    Inventors: Jayaraman Venkat Raman, Dhiraj Rathod, Irfan Vohra, Mangesh Chavan, Manoj Ahirrao, Ravi Ponnaiah
  • PROCESS FOR THE PREPARATION OF CHOLINE SALT OF FENOFIBRIC ACID AND ITS NOVEL POLYMORPH
    Publication number: 20110288331
    Abstract: The present invention relates to an improved process for the preparation of choline salt of fenofibric acid corresponding to formula (I). The present invention also provides crystalline polymorphic form of choline salt of fenofibric acid corresponding to formula (I) designated as form A.
    Type: Application
    Filed: December 28, 2009
    Publication date: November 24, 2011
    Applicant: Alembic Pharmaceuticals Limited
    Inventors: Ravi Ponnaiah, Sanjay Desai, Dhiraj Rathod, Lalit Katariya, Nilesh Bhimani, Viral Modi
  • Process for preparation of Irbesartan
    Publication number: 20070099973
    Abstract: A process for the preparation of Irbesartan of formula (I) using the steps of: (i) reacting 4? aminomethyl-2-cyano biphenyl of formula (VI) with 1-veleramido cyclopentane carboxylic acid of formula (V) ?in an organic solvent and in the presence of an acid, without activating the —COOH group of compound of formula (V) to give 1-(2?cyanobiphenyl-4-yl-methylaminocarbonyl)-1-pentanoylamino cyclopentane of formula (VII). ?converting the compound of formula (VII) obtained in step (i) to Irbesartan of formula (I) by reacting the compound of the formula (VII) with tributyl tin azide in o-xylene to give Irbesartan of formula (I).
    Type: Application
    Filed: April 19, 2006
    Publication date: May 3, 2007
    Applicant: ALEMBIC LIMITED
    Inventors: Pandurang Deshpande, Parven Luthra, Dhiraj Rathod, Hitesh Patel, Pinky Parikh