Patents by Inventor Ramanaiah CHENNURU

Ramanaiah CHENNURU 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).

  • METHODS FOR THE PREPARATION OF SPHINGOSINE 1-PHOSPHATE RECEPTOR MODULATORS AND SOLID FORME THEREOF
    Publication number: 20230212115
    Abstract: The present invention relates to process for preparation of 1-(4-{1-[(E)-4-cyclohexyl-3-trifluoromethyl-benzyloxy imino]ethyl}-2-ethyl-benzyl)-azetidine-3-carboxylic acid, intermediates, salts and solid forms thereof to pharmaceutical compositions comprising the salts and solid forms and to use of said compositions for the treatment of multiple sclerosis, particularly secondary progressive multiple sclerosis.
    Type: Application
    Filed: May 27, 2021
    Publication date: July 6, 2023
    Inventors: Srinivas Laxminarayan Pathi, Puppala Ravi Kumar, Ramanaiah Chennuru, Durga Surya Narayana YARRA, Yellanki Jagannadham, Siva Krishna Nangedda, Lakkireddy Pullareddy, Raju Barla
  • NOVEL SALTS OF NILOTINIB AND POLYMORPHIC FORMS THEREOF
    Publication number: 20230075170
    Abstract: The present invention relates to the solid forms of Nilotinib D-Malate and Nilotinib D-Tartrate, processes for preparation thereof, pharmaceutical compositions thereof, and methods of use thereof.
    Type: Application
    Filed: February 15, 2021
    Publication date: March 9, 2023
    Inventors: Srinivas Laxminarayan PATHI, Ramanaiah CHENNURU, Ravikumar PUPPALA, Raju BARLA, Krishna RAGHAVENDRA
  • NOVEL POLYMORPHS OF INTEGRASE INHIBITOR
    Publication number: 20220144851
    Abstract: Novel crystalline forms of Bictegravir sodium, pharmaceutical compositions containing said crystalline forms and the use of said crystalline forms in the treatment of HIV infection are disclosed. The present invention is further directed to the processes for the preparation of the novel crystalline forms.
    Type: Application
    Filed: February 6, 2020
    Publication date: May 12, 2022
    Inventors: Venkata Srinivas PULLELA, Srinivas Laxminarayan PATHI, Ramanaiah CHENNURU, Manjinder Singh PHULL, Anjaneyaraju INDUKARI
  • POLYMORPHIC FORMS OF IBRUTINIB
    Publication number: 20220009929
    Abstract: Disclosed herein are crystalline polymorphic forms of Ibrutinib, methods for their preparation, pharmaceutical compositions comprising the polymorphic Forms, and their use thereof.
    Type: Application
    Filed: May 2, 2019
    Publication date: January 13, 2022
    Inventors: Ramanaiah CHENNURU, Srinivas Laxminarayan PATHI, Geena MALHOTRA, Ramesh DEVARAPALLI
  • NOVEL POLYMORPHS OF ACALABRUTINIB, A BRUTON'S TYROSINE KINASE INHIBITOR
    Publication number: 20220002302
    Abstract: The present invention discloses novel crystalline polymorphic forms of Acalabrutinib, methods of preparation, pharmaceutical compositions and methods of therapeutic treatment involving polymorphic forms thereof.
    Type: Application
    Filed: September 24, 2019
    Publication date: January 6, 2022
    Inventors: Geena MALHOTRA, Venkata Srinivas PULLELA, Srinivas Laxminarayan PATHI, Ramanaiah CHENNURU, Ramesh DEVARAPALLI, Ashok MITHUN
  • AMORPHOUS FORMS OF SELINEXOR AND PROCESS FOR THEIR PREPARATION
    Publication number: 20210221795
    Abstract: Aspects of the present application relate to solid forms of Selinexor, processes for their preparation and pharmaceutical compositions thereof. Specific aspects relate to crystalline and amorphous forms of Selinexor.
    Type: Application
    Filed: March 1, 2021
    Publication date: July 22, 2021
    Inventors: Ramanaiah CHENNURU, Satarupa BHATTACHARJEE, Srinivas ORUGANTI, Vishnu Vardhana Vema Reddy EDA, Ramesh CHAKKA, Vishweshwar PEDDY, Srividya RAMAKRISHNAN, Vamsi Krishna MUDAPAKA
  • Solid forms of Selinexor and process for their preparation
    Patent number: 11034675
    Abstract: Aspects of the present application relate to solid forms of Selinexor, processes for their preparation and pharmaceutical compositions thereof. Specific aspects relate to crystalline and amorphous forms of Selinexor.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: June 15, 2021
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Ramanaiah Chennuru, Satarupa Bhattacharjee, Srinivas Oruganti, Vishnu Vardhana Verna Reddy Eda, Ramesh Chakka, Vishweshwar Peddy, Srividya Ramakrishnan, Vamsi Krishna Mudapaka
  • POLYMORPHIC FORMS OF (9-[(R)-2-[[(S)-[[(S)-1-(ISOPROPOXYCARBONYL)ETHYL]AMINO]PHENOXY PHOSPHINYL]METHOXY]PROPYL] ADENINE AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF
    Publication number: 20200407382
    Abstract: The present invention discloses novel crystalline polymorphic forms of (9-[(R)-2-[[(S)-[[(S)-1-(isopropoxy carbonyl) ethyl] amino] phenoxyphosphinyl] methoxy]propyl] adenine hemifumarate and 9-[(R)-2-[[(S)-[[(S)-1-(isopropoxycarbonyl)ethyl] amino]phenoxy phosphinyl]methoxy]propyl] adenine monofumarate, methods of preparation, pharmaceutical compositions and methods of therapeutic treatment involving polymorphic forms thereof.
    Type: Application
    Filed: December 28, 2018
    Publication date: December 31, 2020
    Inventors: Dharmaraj Ramachandra RAO, Geena MALHOTRA, Srinivas Laxminarayan PATHI, Manjinder Singh PHULL, Ramanaiah CHENNURU
  • Polymorphs of Dasatinib
    Publication number: 20190270735
    Abstract: The present invention provides novel polymorphic forms of dasatinib compound of the formula 1 as well as the process for the preparation thereof.
    Type: Application
    Filed: October 30, 2017
    Publication date: September 5, 2019
    Inventors: Dharmaraj Ramachandra RAO, Geena MALHOTRA, Srinivas Laxminarayan PATHI, Ravikumar PUPPALA, Yellanki JAGANNADHAM, Ramanaiah CHENNURU
  • SOLID FORMS OF SELINEXOR AND PROCESS FOR THEIR PREPARATION
    Publication number: 20190023693
    Abstract: Aspects of the present application relate to solid forms of Selinexor, processes for their preparation and pharmaceutical compositions thereof. Specific aspects relate to crystalline and amorphous forms of Selinexor.
    Type: Application
    Filed: January 6, 2017
    Publication date: January 24, 2019
    Inventors: Ramanaiah CHENNURU, Satarupa BHATTACHARJEE, Srinivas ORUGANTI, Vishnu Vardhana Vema Reddy EDA, Ramesh CHAKKA, Vishweshwar PEDDY, Srividya RAMAKRISHNAN, Vamsi Krishna MUDAPAKA
  • Polymorphic forms of nilotinib hydrochloride
    Patent number: 9981947
    Abstract: Crystalline Forms R5, R5a, R5b and R6 of nilotinib hydrochloride and processes for their preparation.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: May 29, 2018
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Vishweshwar Peddy, Ramanaiah Chennuru, Srividya Ramakrishnan
  • POLYMORPHS OF IBRUTINIB
    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
  • POLYMORPHIC FORMS OF NILOTINIB HYDROCHLORIDE
    Publication number: 20170260162
    Abstract: Crystalline Forms R5, R5a, R5b and R6 of nilotinib hydrochloride and processes for their preparation.
    Type: Application
    Filed: January 10, 2017
    Publication date: September 14, 2017
    Inventors: Vishweshwar PEDDY, Ramanaiah CHENNURU, Srividya RAMAKRISHNAN
  • Polymorphic forms of nilotinib hydrochloride
    Patent number: 9580408
    Abstract: Crystalline Forms R5, R5a, R5b and R6 of nilotinib hydrochloride and processes for their preparation.
    Type: Grant
    Filed: April 23, 2014
    Date of Patent: February 28, 2017
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Vishweshwar Peddy, Ramanaiah Chennuru, Srividya Ramakrishnan
  • POLYMORPHIC FORMS OF NILOTINIB HYDROCHLORIDE
    Publication number: 20160130252
    Abstract: Crystalline Forms R5, R5a, R5b and R6 of nilotinib hydrochloride and processes for their preparation.
    Type: Application
    Filed: April 23, 2014
    Publication date: May 12, 2016
    Inventors: Vishweshwar PEDDY, Ramanaiah CHENNURU, Srividya RAMAKRISHNAN