Patents by Inventor Parven Kumar Luthra

Parven Kumar Luthra 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: 20230374028
    Abstract: The present disclosure encompasses solid state forms of Trilaciclib and of Trilaciclib salts, in embodiments crystalline polymorphs of Trilaciclib and of Trilaciclib salts, processes for preparation thereof, and pharmaceutical compositions thereof.
    Type: Application
    Filed: October 8, 2021
    Publication date: November 23, 2023
    Applicant: TEVA PHARMACEUTICALS INTERNATIONAL GMBH
    Inventors: Anantha Rajmohan Muthusamy, Amit Singh, Meenakshi Sundaram Somasundaram, Yogesh Dhananjay Wagh, Parven Kumar Luthra
  • Patent number: 11820776
    Abstract: The present disclosure relates to novel processes for the preparation of short acting benzodiazepines as well as to novel intermediates in this process. More particularly the disclosure relates to processes and intermediates for preparation of Methyl 3-[(4S)-8-bromo-1-methyl-6-(pyridin-2-yl)-4H-imidazo[1,2-a][1,4]benzodiazepin-4-yl]propanoate, commonly known as Remimazolam. The present disclosure also relates to solid state forms of Remimazolam salts, processes for the preparation thereof, pharmaceutical formulations/compositions thereof, and methods of use thereof.
    Type: Grant
    Filed: May 24, 2021
    Date of Patent: November 21, 2023
    Assignee: ASSIA CHEMICAL INDUSTRIES LTD.
    Inventors: Dolitzky Ben-Zion, Mendelovici Marioara, Bodkhe Arjun Rajaram, Mane Ganesh Shivaji, Samala Rajamouli Srihari, Joshi Ashutosh Vijay, Parven Kumar Luthra, Amit Singh, Anantha Rajmohan Muthusamy
  • Publication number: 20230279009
    Abstract: The present disclosure encompasses solid state forms of Avapritinib salts and co-crystals of the hydrochloride salt of Avapritinib, processes for preparation thereof, and pharmaceutical compositions thereof as well as their pharmaceutical use, in particular in the treatment of gastrointestinal stromal tumors (GIST), solid tumors and Advanced Systemic Mastocytosis.
    Type: Application
    Filed: June 15, 2021
    Publication date: September 7, 2023
    Inventors: Anantha Rajmohan Muthusamy, Yogesh Dhananjay Wagh, Siva Rama Krishna Muppalla, Parven Kumar Luthra, Meenakshi Sundaram Somasundaram
  • Patent number: 11673880
    Abstract: Solid state forms of Ivosidenib, processes for preparation thereof, pharmaceutical compositions thereof, and uses thereof are disclosed.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: June 13, 2023
    Assignee: ASSIA CHEMICAL INDUSTRIES LTD.
    Inventors: Anantha Rajmohan Muthusamy, Amit Singh, Venkata Subbarao Yazali, Parven Kumar Luthra, Sanjay Lakhabhai Vasoya, Bhatu Tumba Patil, Amit Kumar Taneja, Naveen Chandra Srivastav, Rinku Singh, Vadivelan Rengasamy, Abhilash Tyagi
  • Publication number: 20230107634
    Abstract: The present disclosure relates to safe and efficient processes for the synthesis of Glasdegib or salts thereof, preferably Glasdegib Maleate. The present disclosure also encompasses solid state forms of Glasdegib maleate, in embodiments crystalline polymorphs of Glasdegib maleate, processes for preparation thereof, and pharmaceutical compositions thereof.
    Type: Application
    Filed: January 28, 2021
    Publication date: April 6, 2023
    Inventors: Anantha Rajmohan Muthusamy, Amit Singh, Rajendra Popat Chemate, Bhatu Tumba Patil, Elluru Subbi Reddy, Parven Kumar Luthra, Sanjay Lakhabhai Vasoya, Dnyaneshwar Kondibhau Nighot
  • Publication number: 20230103724
    Abstract: The present disclosure encompasses solid state forms of Avapritinib, in embodiment crystalline polymorphs of Avapritinib, processes for preparation thereof, and pharmaceutical compositions thereof.
    Type: Application
    Filed: March 11, 2021
    Publication date: April 6, 2023
    Inventors: Anantha Rajmohan Muthusamy, Amit Singh, Sundara Lakshmi Kanniah, Vaibhav Suresh Daund, Parven Kumar Luthra, Yogesh Dhananjay Wagh, Meenakshi Sundaram Somasundaram
  • 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
  • Publication number: 20220153753
    Abstract: The present disclosure relates to solid state forms of baloxavir marboxil, processes for preparation thereof, pharmaceutical compositions thereof, and methods of use thereof.
    Type: Application
    Filed: March 5, 2020
    Publication date: May 19, 2022
    Inventors: Anantha Rajmohan Muthusamy, Amit Singh, Amol Gulab Khatik, Sundara Lakshmi Kanniah, Yogesh Dhananjay Wagh, Parven Kumar Luthra, Brijnath P. Chaurasia, Ram Karan Prajapati
  • 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
  • Publication number: 20210309639
    Abstract: Solid state forms of Ivosidenib, processes for preparation thereof, pharmaceutical compositions thereof, and uses thereof are disclosed.
    Type: Application
    Filed: June 18, 2021
    Publication date: October 7, 2021
    Inventors: Anantha Rajmohan Muthusamy, Amit Singh, Venkata Subbarao Yazali, Parven Kumar Luthra, Sanjay Lakhabhai Vasoya, Bhatu Tumba Patil, Amit Kumar Taneja, Naveen Chandra Srivastav, Rinku Singh, Vadivelan Rengasamy, Abhilash Tyagi
  • Publication number: 20210277013
    Abstract: The present disclosure relates to novel processes for the preparation of short acting benzodiazepines as well as to novel intermediates in this process. More particularly the disclosure relates to processes and intermediates for preparation of Methyl 3-[(4S)-8-bromo-1-methyl-6-(pyridin-2-yl)-4H-imidazo[1,2-a][1,4]benzodiazepin-4-yl]propanoate, commonly known as Remimazolam. The present disclosure also relates to solid state forms of Remimazolam salts, processes for the preparation thereof, pharmaceutical formulations/compositions thereof, and methods of use thereof.
    Type: Application
    Filed: May 24, 2021
    Publication date: September 9, 2021
    Inventors: Dolitzky Ben-Zion, Mendelovici Marioara, Bodkhe Arjun Rajaram, Mane Ganesh Shivaji, Samala Rajamouli Srihari, Joshi Ashutosh Vijay, Parven Kumar Luthra, Amit Singh, Anantha Rajmohan Muthusamy
  • 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
  • Patent number: 11066390
    Abstract: Solid state forms of Ivosidenib, processes for preparation thereof, pharmaceutical compositions thereof, and uses thereof are disclosed.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: July 20, 2021
    Assignee: ASSIA CHEMICAL INDUSTRIES LTD.
    Inventors: Anantha Rajmohan Muthusamy, Amit Singh, Venkata Subbarao Yazali, Parven Kumar Luthra, Sanjay Lakhabhai Vasoya, Bhatu Tumba Patil, Amit Kumar Taneja, Naveen Chandra Srivastav, Rinku Singh, Vadivelan Rengasamy, Abhilash Tyagi
  • Patent number: 11034697
    Abstract: The present disclosure relates to novel processes for the preparation of short acting benzodiazepines as well as to novel intermediates in this process. More particularly the disclosure relates to processes and intermediates for preparation of Methyl 3-[(4S)-8-bromo-1-methyl-6-(pyridin-2-yl)-4H-imidazo[1,2-a][1,4]benzodiazepin-4-yl]propanoate, commonly known as Remimazolam. The present disclosure also relates to solid state forms of Remimazolam salts, processes for the preparation thereof, pharmaceutical formulations/compositions thereof, and methods of use thereof.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: June 15, 2021
    Assignee: WATSON LABORATORIES INC.
    Inventors: Dolitzky Ben-Zion, Mendelovici Marioara, Bodkhe Arjun Rajaram, Mane Ganesh Shivaji, Samala Rajamouli Srihari, Joshi Ashutosh Vijay, Parven Kumar Luthra, Amit Singh, Anantha Rajmohan Muthusamy
  • 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
  • Publication number: 20200308146
    Abstract: Solid state forms of Ivosidenib, processes for preparation thereof, pharmaceutical compositions thereof, and uses thereof are disclosed.
    Type: Application
    Filed: November 27, 2018
    Publication date: October 1, 2020
    Inventors: Anantha Rajmohan Muthusamy, Amit Singh, Venkata Subbarao Yazali, Parven Kumar Luthra, Sanjay Lakhabhai Vasoya, Bhatu Tumba Patil, Amit Kumar Taneja, Naveen Chandra Srivastav, Rinku Singh, Vadivelan Rengasamy, Abhilash Tyagi
  • Publication number: 20190359619
    Abstract: The present disclosure relates to novel processes for the preparation of short acting benzodiazepines as well as to novel intermediates in this process. More particularly the disclosure relates to processes and intermediates for preparation of Methyl 3-[(4S)-8-bromo-1-methyl-6-(pyridin-2-yl)-4H-imidazo[1,2-a][1,4]benzodiazepin-4-yl]propanoate, commonly known as Remimazolam. The present disclosure also relates to solid state forms of Remimazolam salts, processes for the preparation thereof, pharmaceutical formulations/compositions thereof, and methods of use thereof.
    Type: Application
    Filed: February 8, 2018
    Publication date: November 28, 2019
    Inventors: Dolitzky Ben-Zion, Mendelovici Marioara, Bodkhe Arjun Rajaram, Mane Ganesh Shivaji, Samala Rajamouli Srihari, Joshi Ashutosh Vijay, Parven Kumar Luthra, Amit Singh, Anantha Rajmohan Muthusamy
  • Patent number: 10472329
    Abstract: The invention relates to an improved process for preparing [(S)-1-(4-phenyl-1-H-imidazol-2-yl)-ethyl]-amine. The process involves formation of the novel intermediate crystalline compound [(S)-1-(4-phenyl-1-H-imidazol-2-yl)-ethyl]-carbamic acid tert-butyl ester oxalate.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: November 12, 2019
    Assignee: Allergan Holdings Unlimited Company
    Inventors: Parven Kumar Luthra, Chandrasekhar Sinha, Syed Aziz Imam Quadri, Tonmoy Chitta Das
  • Patent number: 9938239
    Abstract: The present invention relates to a process for preparing silodosin with high optical purity up to 99.9% enantiomeric excess (e.e.) or above. The process makes use of a method step, in which the enantiomers contained in a racemic mixture of a compound represented by the general formula V: wherein * denotes the asymmetric center, R1 is a protecting group, and R2 is cyano or carbamoyl, are separated.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: April 10, 2018
    Assignee: Sandoz AG
    Inventors: Parven Kumar Luthra, Sachin Bhuta, Chandrakant Abhinay, N. Chaven Dattatraya, D. Metkar Shashikant
  • Publication number: 20180029994
    Abstract: The invention relates to an improved process for preparing [(S)-1-(4-phenyl-1-H-imidazol-2-yl)-ethyl]-amine. The process involves formation of the novel intermediate crystalline compound [(S)-1-(4-phenyl-1-H-imidazol-2-yl)-ethyl]-carbamic acid tert-butyl ester oxalate.
    Type: Application
    Filed: February 22, 2016
    Publication date: February 1, 2018
    Inventors: Parven Kumar LUTHRA, Chandrasekhar SINHA, Syed Aziz Imam QUADRI, Tonmoy Chitta DAS