Patents by Inventor Sadanand Hardeo Maurya

Sadanand Hardeo Maurya 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).

  • PROCESSES FOR THE PREPARATION OF ROXADUSTAT AND INTERMEDIATES THEREOF
    Publication number: 20220340532
    Abstract: The present invention provides new procedure and intermediates for the preparation of Roxadustat (1) comprising: (A) reducing a compound of formula 3?, 3? or a mixture thereof: (3?), (3?) wherein Pg is H or a OH protecting group, Ri is alkyl, aryl, or arylalkyl; R2, R3, R4, and Rs each independently represents alkyl, arylalkyl or alkenyl, or R2 and R3 and/or R4 and Rs, taken together with the nitrogen atom to which they are bonded, each independently form a ring selected from: (I), wherein R6 is H or CI-6 alkyl; R7 is Ci to C6 alkyl and X— is an anion selected from the group consisting of halide, O—SO4—R7 wherein R7 is Ci to C6 alkyl, or O—SO2-Rs wherein Rs is phenyl, tolyl, methyl or trifluoromethyl; to form a compound of formula (2?) wherein Pg is H or an OH protecting group, Ri is alkyl, aryl, or arylalkyl; and removing the Ri group and where present removing the OH protecting group; or (B) reducing a compound of formula 4?, a compound of formula 4? or a mixture thereof: (4?), (4?) wherein Pg is H or an OH
    Type: Application
    Filed: August 6, 2020
    Publication date: October 27, 2022
    Inventors: Parven Kumar Luthra, Suhail Ahmad, Neval Kishor, Miteshgir Kanchangir Goswami, Alok Singh, Chandrasekhar Sinha, Syed Aziz Imam Quadri, Prashant Shankar Joshi, Sadanand Hardeo Maurya
  • SOLID STATE FORMS OF ACALABRUTINIB
    Publication number: 20220153744
    Abstract: The present disclosure relates to solid state forms of Acalabrutinib, processes for the preparation thereof and pharmaceutical compositions comprising said solid state forms of Acalabrutinib.
    Type: Application
    Filed: March 26, 2020
    Publication date: May 19, 2022
    Inventors: Sundara Lakshmi Kanniah, Anantha Rajmohan Muthusamy, Bhupendra Prakash Tyagi, Vrajlal Karamshibhai Gothalia, Sanjay Jaiswal, Sadanand Hardeo Maurya, Parven Kumar Luthra, Amit Gupta, Manigandan Gopal, Shilpi Pandey
  • Solid state forms of eltrombopag choline
    Patent number: 11072586
    Abstract: Solid state forms of Eltrombopag choline, processes for preparation thereof and pharmaceutical compositions thereof are disclosed.
    Type: Grant
    Filed: October 5, 2018
    Date of Patent: July 27, 2021
    Assignee: ASSIA CHEMICAL INDUSTRIES LTD.
    Inventors: Sharma Vijay Hariprasad, Nasir Ali Shafakat Ali, Joshi Ashutosh Vijay, Parven Kumar Luthra, Anantha Rajmohan Muthusamy, Amit Singh, Rajesh Sadanand Bate, Sadanand Hardeo Maurya
  • SOLID STATE FORMS OF ELTROMBOPAG CHOLINE
    Publication number: 20200331862
    Abstract: Solid state forms of Eltrombopag choline, processes for preparation thereof and pharmaceutical compositions thereof are disclosed.
    Type: Application
    Filed: October 5, 2018
    Publication date: October 22, 2020
    Inventors: Sharma Vijay Hariprasad, Nasir Ali Shafakat Ali, Joshi Ashutosh Vijay, Parven Kumar Luthra, Anantha Rajmohan Muthusamy, Amit Singh, Rajesh Sadanand Bate, Sadanand Hardeo Maurya