Patents by Inventor Sumitra Ashok Pillai

Sumitra Ashok Pillai 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).

  • Publication number: 20220296617
    Abstract: The present invention relates to stable liquid pharmaceutical formulations of cyclophosphamide comprising cyclophosphamide and at least one pharmaceutically acceptable excipient wherein moisture content of the liquid formulation is less than about 2.0% by weight. The invention further relates to stable liquid formulations of cyclophosphamide prepared by a process comprising a step of reducing the moisture content from cyclophosphamide or liquid compositions of cyclophosphamide or both. The invention further relate to method of using such stable liquid formulations of cyclophosphamide for parenteral administration either as ready-to-use or ready-to-dilute for treating various cancer disorders.
    Type: Application
    Filed: June 3, 2022
    Publication date: September 22, 2022
    Inventors: Riyaz Ahmed SHAIK, Ananya SAHA, Svb Janardhan GARIKIPATI, Akash CHAURASIYA, Bhavesh Vallabhbhai PATEL, Harshal BHAGWATWAR, Sumitra Ashok PILLAI
  • Patent number: 11382923
    Abstract: The present invention relates to stable liquid pharmaceutical formulations of cyclophosphamide comprising cyclophosphamide and at least one pharmaceutically acceptable excipient wherein moisture content of the liquid formulation is less than about 2.0% by weight. The invention further relates to stable liquid formulations of cyclophosphamide prepared by a process comprising a step of reducing the moisture content from cyclophosphamide or liquid compositions of cyclophosphamide or both. The invention further relate to method of using such stable liquid formulations of cyclophosphamide for parenteral administration either as ready-to-use or ready-to-dilute for treating various cancer disorders.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: July 12, 2022
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Riyaz Ahmed Shaik, Ananya Saha, Svb Janardhan Garikipati, Akash Chaurasiya, Bhavesh Vallabhbhai Patel, Harshal Bhagwatwar, Sumitra Ashok Pillai
  • Patent number: 10849916
    Abstract: The present invention relates to novel impurities of cyclophosphamide having structure V, VI or VII, stabilized form of these novel impurities, a process of preparing a stabilized form and isolating thereof. The invention also relates cyclophosphamide formulations which include cyclophosphamide, at least one pharmaceutically acceptable excipient, and a certain level of these impurities having structure V, VI or VII. The invention further relate to method of using such stable liquid formulations of cyclophosphamide for parenteral administration in treating various cancer disorders.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: December 1, 2020
    Assignee: DR. REDDYS LABORATORIES LIMITED
    Inventors: Riyaz Ahmed Shaik, Ananya Saha, Svb Janardhan Garikipati, Akash Chaurasiya, Bhavesh Vallabhbhai Patel, Harshal Bhagwatwar, Sumitra Ashok Pillai, Satheesh Balasubramanian, Joydeep Mazumder
  • Publication number: 20190350948
    Abstract: The present invention relates to novel impurities of cyclophosphamide having structure V, VI or VII, stabilized form of these novel impurities, a process of preparing a stabilized form and isolating thereof. The invention also relates cyclophosphamide formulations which include cyclophosphamide, at least one pharmaceutically acceptable excipient, and a certain level of these impurities having structure V, VI or VII. The invention further relate to method of using such stable liquid formulations of cyclophosphamide for parenteral administration in treating various cancer disorders.
    Type: Application
    Filed: May 16, 2019
    Publication date: November 21, 2019
    Inventors: Riyaz Ahmed SHAIK, Ananya SAHA, Svb Janardhan GARIKIPATI, Akash CHAURASIYA, Bhavesh Vallabhbhai PATEL, Harshal BHAGWATWAR, Sumitra Ashok PILLAI, Satheesh BALASUBRAMANIAN, Joydeep MAZUMDER
  • Publication number: 20170143622
    Abstract: Aspects of the present invention provide stable liquid ready-to-use injectable formulation of bortezomib or pharmaceutically acceptable salts thereof. Another aspect of the present invention provides processes for preparation of such stable liquid ready-to-use injectable formulation of bortezomib and methods of using such formulations for treating various types of cancers in mammals.
    Type: Application
    Filed: July 6, 2015
    Publication date: May 25, 2017
    Inventors: Riyaz Ahammad SHAIK, Akash CHAURASIYA, Ananya SAHA, Bhavesh Vallabhbhai PATEL, Harshal BHAGWATWAR, Sumitra Ashok PILLAI
  • Publication number: 20090196923
    Abstract: The present invention relates to pharmaceutical formulation of antiepileptic drug preferably oxcarbazepine. The formulation comprises multiple tablets or pellets of immediate release or controlled release nature, which are filled, inside the capsule to provides drug effect for 24 hours and is suitable for once a day administration. The patent also provides process of preparation of the dosage form.
    Type: Application
    Filed: April 23, 2007
    Publication date: August 6, 2009
    Inventors: Jayanta Kumar Mandal, Nitesh Nalinchandra Pandya, Sumitra Ashok Pillai, Kirti Bansidhar Maheshwari