Patents by Inventor Riyaz Ahmed Shaik

Riyaz Ahmed Shaik 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).

  • STABLE LIQUID FORMULATIONS OF CYCLOPHOSPHAMIDE AND PROCESSES TO PREPARE THE SAME
    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
  • Stable liquid formulations of cyclophosphamide and processes to prepare the same
    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
  • Stable liquid formulations of cyclophosphamide and its impurities
    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
  • NOVEL IMPURITIES OF CYCLOPHOSPHAMIDE LIQUID FORMULATIONS
    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
  • Pharmaceutical compositions comprising boronic acid compounds
    Patent number: 10293048
    Abstract: A pharmaceutical composition and preparing processes thereof. The composition comprises bortezomib or pharmaceutically acceptable salt or solvate thereof, tromethamine and an organic carboxylic acid, and the pH of the composition is from about 3.0 to 6.0.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: May 21, 2019
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Navin Vaya, Harshal Prabhakar Bhagwatwar, Rakeshwar Bandichhor, Nirmal Khati, Riyaz Ahmed Shaik, Rahul Bhise, Yakaswamy Asalla, Rajkumar Bhimrao Shinde
  • STABLE LIQUID FORMULATIONS OF CYCLOPHOSPHAMIDE AND PROCESSES TO PREPARE THE SAME
    Publication number: 20170143744
    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: January 10, 2017
    Publication date: May 25, 2017
    Inventors: Riyaz Ahmed SHAIK, Ananya SAHA, Svb Janardhan GARIKIPATI, Akash CHAURASIYA, Bhavesh Vallabhbhai PATEL, Harshal BHAGWATWAR, Ashok Pillai SUMITRA
  • PHARMACEUTICAL COMPOSITIONS COMPRISING BORONIC ACID COMPOUNDS
    Publication number: 20150051172
    Abstract: A pharmaceutical composition and preparing processes thereof. The composition comprises bortezomib or pharmaceutically acceptable salt or solvate thereof, tromethamine and an organic carboxylic acid, and the pH of the composition is from about 3.0 to 6.0.
    Type: Application
    Filed: March 1, 2013
    Publication date: February 19, 2015
    Inventors: Navin Vaya, Harshal Prabhakar Bhagwatwar, Rakeshwar Bandichhor, Nirmal Khati, Riyaz Ahmed Shaik, Rahul Bhise, Yakaswamy Asalla, Rajkumar Bhimrao Shinde