Patents by Inventor Virendra Agarwal

Virendra Agarwal 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).

  • EXTENDED RELEASE OSMOTIC DOSAGE FORM COMPRISING HIGH METHYLPHENIDATE HYDROCHLORIDE LOAD
    Publication number: 20180360817
    Abstract: The present invention provides an extended release osmotic tablet dosage form comprising methylphenidate hydrochloride (MPH). The dosage form comprises a core tablet comprising methylphenidate hydrochloride in an amount of more than 8% by weight of the core tablet; a semi-permeable membrane surrounding the core tablet, and an immediate release drug coat comprising methylphenidate hydrochloride surrounding the semipermeable membrane.
    Type: Application
    Filed: December 30, 2016
    Publication date: December 20, 2018
    Applicant: CADILA HEALTHCARE LIMITED
    Inventors: Manish CHAWLA, Shailesh Vishwanath BIRADAR, Mayur LOYA, Jayendrakumar Dasharathlal PATEL, Akshay Virendra AGARWAL
  • Process for the preparation of enantiomerically pure (r) or (s)-5-(2-aminopropyl)-2-methoxybenzenesulfonamide
    Publication number: 20060173214
    Abstract: The invention relates to a process for the manufacture of optically pure (R) or (S)-5-(2-aminopropyl)-2-methoxybenzenesulfonamide with D-i.e. (2S, 3S) or L-i.e. (2R, 3R)-tartaric acid to form a mixture of diastereomeric salts, separating the diastereomeric salts by fractional crystallization in a mixture of solvent systems and at the specified temperature range and contacting the individual salts so separated with a base to provide said R-(?)-5-(2-aminopropyl)-2-methoxybenzenesulfonamide or S-(+)-5-(2-amino propyl)-2-methoxybenzenesulfonamide.
    Type: Application
    Filed: December 26, 2002
    Publication date: August 3, 2006
    Inventors: Sushil Dubey, Dharmeshkumar Patel, Dhimant Patel, Mahesh Rupapara, Virendra Agarwal, Kanwal Pandita, Pankaj Patel