Patents by Inventor Viral Narendra Jariwala

Viral Narendra Jariwala 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 cyclooxygenase-2 selective inhibitor
    Patent number: 8841457
    Abstract: The present invention describes a process for preparing a cyclooxygenase-2 selective inhibitor. It provides a synthetic procedure for the said substance namely 5-chloro-3-(4-methylsulphonyl)phenyl-2-(2-methyl-5-pyridinyl)pyridine of formula (I). The invention also relates to preparation of a new intermediate of formula (IV) and a process to prepare it. Furthermore, the invention describes a process for preparing another key intermediate of formula (II). Compounds of formula (IV) and formula (II) are useful intermediates in synthesis of the said cyclooxygenase-2 inhibitor.
    Type: Grant
    Filed: November 15, 2011
    Date of Patent: September 23, 2014
    Assignee: Virdev Intermediates Pvt. Ltd.
    Inventors: Dharmesh Mahendra Shah, Sanjay Amratlal Solanki, Viral Narendra Jariwala, Ashok Vasantray Vyas, Ashokkumar Bhikhubhai Mistry
  • PROCESS FOR CYCLOOXYGENASE-2 SELECTIVE INHIBITOR
    Publication number: 20130245272
    Abstract: The present invention describes a process for preparing a cyclooxygenase-2 selective inhibitor. It provides a synthetic procedure for the said substance namely 5-chloro-3-(4-methylsulphonyl)phenyl-2-(2-methyl-5-pyridinyl)pyridine of formula (I). The invention also relates to preparation of a new intermediate of formula (IV) and a process to prepare it. Furthermore, the invention describes a process for preparing another key intermediate of formula (II). Compounds of formula (IV) and formula (II) are useful intermediates in synthesis of the said cyclooxygenase-2 inhibitor.
    Type: Application
    Filed: November 15, 2011
    Publication date: September 19, 2013
    Applicant: Virdev Intermediates PVT. Ltd.
    Inventors: Dharmesh Mahendra Shah, Sanjay Amratlal Solanki, Viral Narendra Jariwala, Ashok Vasantray Vyas, Ashokkumar Bhikhubhai Mistry