Patents by Inventor Sudha MENON

Sudha MENON 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).

  • AN IMPROVED PROCESS FOR THE PREPARATION OF VORTIOXETINE AND SALTS THEREOF
    Publication number: 20210087155
    Abstract: The present invention relates to a novel crystalline polymorphic form of 1-[2-(2,4-dimethyl-phenylsulfanyl)-phenyl]-piperazine hydrochloride; commonly known as vortioxetine hydrochloride (hereafter referred to as the compound (Ia) and process for its preparation comprising of treating the compound (Ia) (as described herein) with a ketone solvent or mixture of ketone solvent with other solvents. The present invention also relates to an improved process for the preparation of vortioxetine hydrobromide (Ia), comprising reacting the compound (I) (as described herein) with hydrogen bromide solution in acetic acid.
    Type: Application
    Filed: February 5, 2019
    Publication date: March 25, 2021
    Applicant: PIRAMAL ENTERPRISES LIMITED
    Inventors: Milind GHARPURE, Sanjay Kumar SHARMA, Nainesh KANSAGARA, Yogesh ZALTE, Pravin THOMBRE, Sudha MENON