Patents by Inventor Pinky Parikh

Pinky Parikh 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 and novel polymorphic form of Apremilast
    Patent number: 10399942
    Abstract: The present invention provides an improved process for the preparation of Apremilast using novel intermediates. The present invention also relates to the novel crystalline polymorphic form of Apremilast.
    Type: Grant
    Filed: July 29, 2016
    Date of Patent: September 3, 2019
    Assignee: Alembic Pharmaceuticals Limited
    Inventors: Mahender Rao Siripragada, Dinesh Panchasara, Ilesh Patel, Bhavesh Prajapati, Ankit Shah, Ananda Babu Thirunavakarasu, Pinky Parikh
  • IMPROVED PROCESS AND NOVEL POLYMORPHIC FORM OF APREMILAST
    Publication number: 20180327356
    Abstract: The present invention provides an improved process for the preparation of Apremilast using novel intermediates. The present invention also relates to the novel crystalline polymorphic form of Apremilast.
    Type: Application
    Filed: July 29, 2016
    Publication date: November 15, 2018
    Applicant: Alembic Pharmaceuticals Limited
    Inventors: Mahender Rao Siripragada, Dinesh Panchasara, Ilesh Patel, Bhavesh Prajapati, Ankit Shah, Ananda Babu Thirunavakarasu, Pinky Parikh
  • 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