Patents by Inventor Srinivas RANGINENI

Srinivas RANGINENI 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).

  • Patent number: 9926296
    Abstract: A process for preparing Nilotinib hydrochloride Form R5 and Form R6 comprises: step a) providing a solution of Nilotinib free base in acetic acid and optionally an organic solvent, step b) adding hydrochloric acid taken in an organic solvent to the solution of step a), then separating Nilotinib hydrochloride Form R5 (step c), and finally drying at about 100° C. to 150° C. to obtain Nilotinib hydrochloride Form R6.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: March 27, 2018
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Arjun Kumar Tummala, Srinivas Rangineni
  • Publication number: 20180051026
    Abstract: The present invention provides crystalline forms of Ibrutinib and processes for their preparation.
    Type: Application
    Filed: March 2, 2016
    Publication date: February 22, 2018
    Inventors: Vishweshwar PEDDY, Dharma Jagannadha Rao VELAGA, Sundara Lakshmi KANNIAH, Ramanaiah CHENNURU, Srividya RAMAKRISHNAN, Srinivas RANGINENI
  • Publication number: 20170240528
    Abstract: A process for preparing Nilotinib hydrochloride Form R5 and Form R6 comprises: step a) providing a solution of Nilotinib free base in acetic acid and optionally an organic solvent, step b) adding hydrochloric acid taken in an organic solvent to the solution of step a), then separating Nilotinib hydrochloride Form R5 (step c), and finally drying at about 100° C. to 150° C. to obtain Nilotinib hydrochloride Form R6.
    Type: Application
    Filed: August 7, 2015
    Publication date: August 24, 2017
    Inventors: Arjun Kumar TUMMALA, Srinivas RANGINENI