Patents by Inventor Uma Maheswer Rao VASIREDDI

Uma Maheswer Rao VASIREDDI 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).

  • NOVEL PROCESSES FOR PREPARATION OF TEZACAFTOR
    Publication number: 20230057246
    Abstract: The present invention generally relates to processes for preparation of Tezacaftor and pharmaceutical composition comprising the same. The present invention also encompasses novel intermediates of tezacaftor, processes for its preparation and use of said intermediates in the preparation of tezacaftor.
    Type: Application
    Filed: February 5, 2021
    Publication date: February 23, 2023
    Inventors: Ravindra Babu Bollu, Venkateswar Rao Challagonda, Prasanta Dalasingh, Ananth Reddy Manda, Srikanth Konda, Narender Satu, Uma Maheswer Rao Vasireddi
  • PROCESS AND POLYMORPHIC FORMS OF BICTEGRAVIR AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS OR CO-CRYSTALS THEREOF
    Publication number: 20220306650
    Abstract: The present invention generally relates to polymorphic forms of bictegravir, its salts, co-crystals, solvates or hydrates thereof and process for the preparation of the same and also relates to pharmaceutical compositions containing the same. The present invention also relates to a process for preparation of bictegravir substantially free from its diastereomer impurity.
    Type: Application
    Filed: June 18, 2020
    Publication date: September 29, 2022
    Inventors: Ram Thaimattam, Sureshbabu Radhakrishnan, Pavan Kumar Seethamraju, Satheesh Beeravalli, Uma Maheswara Rao Pampana, Anil Kumar Reddy Shamakura, Ravindra Babu Bollu, Uma Maheswer Rao Vasireddi
  • Process for preparation of 2-Amino-5-hydroxy propiophenone
    Patent number: 11434196
    Abstract: The present invention relates to a process for preparation of 2-Amino-5-hydroxy propiophenone, a key intermediate for the synthesis of camptothecin analogs including 7-Ethyl-10-hydroxycamptothecin (SN-38).
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: September 6, 2022
    Assignee: Laurus Labs Limited
    Inventors: Uma Maheswer Rao Vasireddi, Venkata Ramana Kintali, Jagadeeswara Rao Dadi, Raj Koti Katkuri, Sridhar Tummu
  • Process and crystalline forms of Lumacaftor
    Patent number: 11345684
    Abstract: The present invention generally relates to crystalline forms of Lumacaftor, processes for its preparation and pharmaceutical compositions thereof. The present invention also relates to an improved process for preparation of Lumacaftor.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: May 31, 2022
    Assignee: Laurus Labs Limited
    Inventors: Ravindra Babu Bollu, Prasanta Kumar Dalasingh, Sushmita Dwarampudi, Chandrahasa Reddy Annem, Uma Maheswer Rao Vasireddi
  • Process and crystalline forms of lumacaftor
    Patent number: 11345685
    Abstract: The present invention generally relates to crystalline forms of Lumacaftor, processes for its preparation and pharmaceutical compositions thereof. The present invention also relates to an improved process for preparation of Lumacaftor.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: May 31, 2022
    Assignee: Laurus Labs Limited
    Inventors: Ravindra Babu Bollu, Prasanta Kumar Dalasingh, Sushmita Dwarampudi, Chandrahasa Reddy Annem, Uma Maheswer Rao Vasireddi
  • CRYSTALLINE FORM OF NILOTINIB HYDROCHLORIDE, PROCESS FOR ITS PREPARATION AND PHARMACEUTICAL COMPOSITION CONTAINING THE SAME
    Publication number: 20210380557
    Abstract: The present invention relates to novel crystalline form of nilotinib hydrochloride, process for its preparation and pharmaceutical composition comprising the same.
    Type: Application
    Filed: November 5, 2019
    Publication date: December 9, 2021
    Inventors: Ram Thaimattam, Suresh Babu Radhakrishnan, Nageswara Rao Regandla, Venkata Lakshmi Narasimha Rao Dammalapati, Uma Maheswer Rao Vasireddi
  • Process for the preparation and particle size reduction of pirfenidone
    Patent number: 11066368
    Abstract: The present invention relates to an improved process for the preparation of pure pirfenidone having a particular particle size distribution, a crystalline form of pirfenidone, and pharmaceutical compositions thereof, as well as methods for particle size reduction of pirfenidone, and methods for particle size reduction of pirfenidone by wet milling techniques using colloid mill, ultrasonicator, or high speed homogenizer devices.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: July 20, 2021
    Assignee: Laurus Labs Limited
    Inventors: Ravindra Babu Bollu, Venkata Pramod Kumar Mandadapu, Venkata Sunil Kumar Indukuri, Satyanarayana Chava, Tirumala Rao Galla, Jagadeeswara Rao Dadi, Uma Maheswer Rao Vasireddi
  • Process for 3-(4-methyl-1H-imidazol-1-yl)-5-(trifluoromethyl) aniline
    Patent number: 11053220
    Abstract: The present invention relates to an improved process for the preparation of 3-(4-methyl-1H-imidazol-1-yl)-5-(trifluoromethyl) aniline of Formula (I).
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: July 6, 2021
    Assignee: LAURUS LABS LTD
    Inventors: Ravindra Babu Bollu, Veera Narayana Bandlamudi, Vivek Kumar Kudirilla, Rambabu Vemula, Uma Maheswer Rao Vasireddi
  • PROCESS AND CRYSTALLINE FORMS OF LUMACAFTOR
    Publication number: 20210061792
    Abstract: The present invention generally relates to crystalline forms of Lumacaftor, processes for its preparation and pharmaceutical compositions thereof. The present invention also relates to an improved process for preparation of Lumacaftor.
    Type: Application
    Filed: October 9, 2020
    Publication date: March 4, 2021
    Inventors: Ravindra Babu Bollu, Prasanta Kumar Dalasingh, Sushmita Dwarampudi, Chandrahasa Reddy Annem, Uma Maheswer Rao Vasireddi
  • PROCESS AND CRYSTALLINE FORMS OF LUMACAFTOR
    Publication number: 20210053949
    Abstract: The present invention generally relates to crystalline forms of Lumacaftor, processes for its preparation and pharmaceutical compositions thereof. The present invention also relates to an improved process for preparation of Lumacaftor.
    Type: Application
    Filed: October 9, 2020
    Publication date: February 25, 2021
    Inventors: Ravindra Babu Bollu, Prasanta Kumar Dalasingh, Sushmita Dwarampudi, Chandrahasa Reddy Annem, Uma Maheswer Rao Vasireddi
  • AN IMPROVED PROCESS FOR 3-(4-METHYL-1H-IMIDAZOL-1-YL)-5-(TRIFLUOROMETHYL) ANILINE
    Publication number: 20200377475
    Abstract: The present invention relates to an improved process for the preparation of 3-(4-methyl-1H-imidazol-1-yl)-5-(trifluoromethyl) aniline of Formula (I).
    Type: Application
    Filed: December 28, 2018
    Publication date: December 3, 2020
    Inventors: Ravindra Babu Bollu, Veera Narayana Bandlamudi, Vivek Kumar Kudirilla, Rambabu Vemula Hyderabad, Uma Maheswer Rao Vasireddi
  • Process and crystalline forms of lumacaftor
    Patent number: 10844048
    Abstract: The present invention generally relates to crystalline forms of Lumacaftor, processes for its preparation and pharmaceutical compositions thereof. The present invention also relates to an improved process for preparation of Lumacaftor.
    Type: Grant
    Filed: January 6, 2018
    Date of Patent: November 24, 2020
    Assignee: Laurus Labs Limited
    Inventors: Ravindra Babu Bollu, Prasanta Kumar Dalasingh, Sushmita Dwarampudi, Chandrahasa Reddy Annem, Uma Maheswer Rao Vasireddi
  • PROCESS AND CRYSTALLINE FORMS OF LUMACAFTOR
    Publication number: 20190375734
    Abstract: The present invention generally relates to crystalline forms of Lumacaftor, processes for its preparation and pharmaceutical compositions thereof. The present invention also relates to an improved process for preparation of Lumacaftor.
    Type: Application
    Filed: January 6, 2018
    Publication date: December 12, 2019
    Inventors: Ravindra Babu Bollu, Prasanta Kumar Dalasingh, Sushmita Dwarampudi, Chandrahasa Reddy Annem, Uma Maheswer Rao Vasireddi
  • PROCESS FOR THE PREPARATION AND PARTICLE SIZE REDUCTION OF PIRFENIDONE
    Publication number: 20180334434
    Abstract: The present invention relates to an improved process for the preparation of pure pirfenidone having a particular particle size distribution, a crystalline form of pirfenidone, and pharmaceutical compositions thereof, as well as methods for particle size reduction of pirfenidone, and methods for particle size reduction of pirfenidone by wet milling techniques using colloid mill, ultrasonicator, or high speed homogenizer devices.
    Type: Application
    Filed: July 11, 2018
    Publication date: November 22, 2018
    Inventors: Ravindra Badu BOLLU, Venkata Pramod Kumar MANDADAPU, Venkata Sunil Kumar INDUKURI, Satyanarayana CHAVA, Tirumala Rao GALLA, Jagadesswara RAO, Uma Maheswer Rao VASIREDDI