Patents by Inventor Satyanarayana Chava

Satyanarayana Chava 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 POLYMORPHS OF IVACAFTOR, PROCESS FOR ITS PREPARATION AND PHARMACEUTICAL COMPOSITION THEREOF
    Publication number: 20170334860
    Abstract: The present invention relates to novel polymorphic forms of ivacaftor, process for its preparation and pharmaceutical compositions comprising the same.
    Type: Application
    Filed: December 9, 2015
    Publication date: November 23, 2017
    Inventors: Ram THAIMATTAM, Venkata Srinivasa Rao DAMA, Venkata Sunil Kumar INDUKURI, Seeta Rama Anjaneyulu GORANTLA, Satyanarayana CHAVA
  • AN IMPROVED PROCESS FOR THE PREPARATION OF ENZALUTAMIDE
    Publication number: 20170313662
    Abstract: The present invention relates to an improved process for the preparation of enzalutamide by conventional synthesis, which avoids utilization of microwave irradiation and noxious reagents. The present invention also relates to an improved process for preparation of 4-isothiocyanato-2-(trifluoromethyl) benzonitrile, which is an intermediate in the synthesis of Enzalutamide.
    Type: Application
    Filed: October 1, 2015
    Publication date: November 2, 2017
    Inventors: Kameswar Rao Chivukula, Veera Karuturi, Rao Venkateswara, Srinivas Benda, Ramachandra Anke, Dharmapuri Gajula, Venkata Rama Krishna Murt Moturu, Venkata Sunil Kumar Indukuri, Seeta Rama Anjaneyulu Gorantla, Satyanarayana Chava
  • Solid forms of antiretroviral compounds, process for the preparation and their pharmaceutical composition thereof
    Patent number: 9650346
    Abstract: Disclosed are solid forms of antiretroviral compounds and anti-oxidative acids, and processes for their preparation. Pharmaceutical compositions using the solid forms are also disclosed.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: May 16, 2017
    Assignee: Laurus Labs Private Ltd.
    Inventors: Venkata S. Indukuri, Vamsee K. Muppidi, Sree R. Joga, Seeta R. Gorantla, Satyanarayana Chava
  • Process for the preparation of Ivacaftor and its intermediates
    Patent number: 9573902
    Abstract: The present invention provides novel intermediates of ivacaftor and process for its preparation. The present invention also provides process for the preparation of ivacaftor and pharmaceutically acceptable salt thereof using novel intermediates.
    Type: Grant
    Filed: February 14, 2014
    Date of Patent: February 21, 2017
    Assignee: LAURUS LABS PRIVATE LTD.
    Inventors: Suresh Thatipally, Venkata Lakshmi Narasimha Rao Dammalapati, Seeta Ramanjaneyulu Gorantla, Satyanarayana Chava
  • NOVEL PROCESS FOR THE PREPARATION OF DOLUTEGRAVIR AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF
    Publication number: 20160333026
    Abstract: The present invention relates to a novel process for the preparation of dolutegravir and pharmaceutically acceptable salts thereof using novel intermediates.
    Type: Application
    Filed: January 20, 2015
    Publication date: November 17, 2016
    Applicant: Laurus Labs Private Limited
    Inventors: Satyanarayana CHAVA, Seeta Rama Anjaneyulu GORANTLA, Venkata Lakshmi Narasimha DAMMALAPATI, Mani Bushan Kotala, Ravindra ADURI
  • Process for preparation of montelukast sodium
    Patent number: 9487487
    Abstract: Disclosed is a process for the preparation of montelukast sodium. The process comprises a) reacting 2-(2-(3(S)-(3-(2-(7-chloro-2-quinolinyl)-ethenyl)phenyl)-3-hydroxypropyl)phenyl)-2-propanol with methane sulfonyl chloride and coupling the resultant mesylate compound with 1-(mercaptomethyl)cyclopropane acetic acid in presence of a base and free alkali source followed by saltification with an amine in a single step reaction and b) converting the montelukast amine salt to montelukast sodium salt.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: November 8, 2016
    Assignee: LAURUS LABS PRIVATE LIMITED
    Inventors: Srinivas Simhadri, Yaseen Mohammad, Venkata S. Indukuri, Seeta R. Gorantla, Satyanarayana Chava
  • AN IMPROVED PROCESS FOR THE PREPARATION OF PAZOPANIB OR A PHARMACEUTICALLY ACCEPTABLE SALT THEREOF
    Publication number: 20160280689
    Abstract: The present invention is relates to an improved process for the preparation of pazopanib or a pharmaceutically acceptable salts thereof. The present invention also relates to novel polymorphic Forms of pazopanib hydrochloride, and its intermediates thereof.
    Type: Application
    Filed: November 5, 2014
    Publication date: September 29, 2016
    Inventors: Satyanarayana CHAVA, Seeta Rama Anjaneyulu GORANTLA, Venkata Sunil Kumar INDUKURI, Sanjay Kumar DEHURY, Nagaraju MEKALA, Jahangeer Baba SHAIK, Durga Prasad KUCHIPUDI
  • Salts of sitagliptin, process from the preparation and pharmaceutical composition therefore
    Patent number: 9388113
    Abstract: The present invention relates to pharmaceutically acceptable acid addition salts of sitagliptin, in particular anti-oxidant acid addition salts of sitagliptin and a process for its preparation. The present invention also provides a pharmaceutical composition using the pharmaceutically acceptable acid addition salts of sitagliptin.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: July 12, 2016
    Assignee: Laurus Labs Private Limited
    Inventors: Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Vamsee Krishna Muppidi, Satyanarayana Chava
  • Salts of Sitagliptin, Process from the Preparation and Pharmaceutical Composition Therefore
    Publication number: 20160122274
    Abstract: The present invention relates to pharmaceutically acceptable acid addition salts of sitagliptin, in particular anti-oxidant acid addition salts of sitagliptin and a process for its preparation. The present invention also provides a pharmaceutical composition using the pharmaceutically acceptable acid addition salts of sitagliptin.
    Type: Application
    Filed: October 1, 2015
    Publication date: May 5, 2016
    Inventors: Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Vamsee Krishna Muppidi, Satyanarayana Chava
  • PROCESS FOR THE PREPARATION OF IVACAFTOR AND ITS INTERMEDIATES
    Publication number: 20160016909
    Abstract: The present invention provides novel intermediates of ivacaftor and process for its preparation. The present invention also provides process for the preparation of ivacaftor and pharmaceutically acceptable salt thereof using novel intermediates.
    Type: Application
    Filed: February 14, 2014
    Publication date: January 21, 2016
    Inventors: Suresh THATIPALLY, Venkata Lakshmi Narasimha Rao DAMMALAPATI, Seeta Ramanjaneyulu GORANTLA, Satyanarayana CHAVA
  • Salts of sitagliptin, process for the preparation and pharmaceutical composition therefore
    Patent number: 9181256
    Abstract: The present invention relates to pharmaceutically acceptable acid addition salts of sitagliptin, in particular anti-oxidant acid addition salts of sitagliptin and a process for its preparation. The present invention also provides a pharmaceutical composition using the pharmaceutically acceptable acid addition salts of sitagliptin.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: November 10, 2015
    Assignee: Laurus Labs Private Ltd.
    Inventors: Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Vamsee Krishna Muppidi, Satyanarayana Chava
  • PROCESS FOR PREPARATION OF MONTELUKAST SODIUM
    Publication number: 20150299127
    Abstract: Disclosed is a process for the preparation of montelukast sodium. The process comprises a) reacting 2-(2-(3(S)-(3-(2-(7-chloro-2-quinolinyl)-ethenyl)phenyl)-3-hydroxypropyl)phenyl)-2-propanol with methane sulfonyl chloride and coupling the resultant mesylate compound with 1-(mercaptomethyl)cyclopropane acetic acid in presence of a base and free alkali source followed by saltification with an amine in a single step reaction and b) converting the montelukast amine salt to montelukast sodium salt.
    Type: Application
    Filed: May 14, 2013
    Publication date: October 22, 2015
    Inventors: Venkata INDUKURI, Seeta R. GORANTLA, Satyanarayana CHAVA
  • Efficient process to induce enantioselectivity in procarbonyl compounds
    Patent number: 9073817
    Abstract: The present invention provides an efficient method to induce the enantioselectivity in procarbonyl compounds using chiral organometallic complexes. The present invention also provides a method for producing chiral organometallic complexes using a chiral additive, achiral additive, a base and a metal salt.
    Type: Grant
    Filed: June 22, 2012
    Date of Patent: July 7, 2015
    Assignee: Laurus Labs Private Limited
    Inventors: Ravindra Babu Bollu, Narasimha Rao Ketavarapu, Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Satyanarayana Chava
  • Process for the preparation of tenofovir
    Patent number: 9056882
    Abstract: The present invention provides a process for preparation of tenofovir by dealkylation of its phosphonate ester using Ionic complexes. The present invention also provides a process for preparation of tenofovir disoproxil or a salt thereof using the tenofovir of the present invention.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: June 16, 2015
    Assignee: Laurus Labs Private Ltd.
    Inventors: Venkata Sunil Kumar Indukuri, Sree Rambabu Joga, Seeta Ramanjaneyulu Gorantla, Satyanarayana Chava
  • Process for the preparation of polyhydroxystilbene compounds by deprotection of the corresponding ethers
    Patent number: 8987525
    Abstract: A process for the preparation of polyhydroxystilbene compounds (particularly resveratrol, oxyresveratrol, piceatannol, gnetol and the like) by deprotection of the corresponding ethers using aluminum halide and a secondary amine is provided.
    Type: Grant
    Filed: November 30, 2012
    Date of Patent: March 24, 2015
    Assignee: Laurus Labs Private Ltd.
    Inventors: Harish Niranjanlal Dorwal, Sandirane Sabapathy, Seeta Raman Gorantla, Satyanarayana Chava
  • PROCESS FOR THE PREPARATION OF POLYHYDROXYSTILBENE COMPOUNDS BY DEPROTECTION OF THE CORRESPONDING ETHERS
    Publication number: 20150031921
    Abstract: A process for the preparation of polyhydroxystilbene compounds (particularly resveratrol, oxyresveratrol, piceatannol, gnetol and the like) by deprotection of the corresponding ethers using aluminium halide and a secondary amine is provided.
    Type: Application
    Filed: November 30, 2012
    Publication date: January 29, 2015
    Applicant: LAURUS LABS PRIVATE LIMITED
    Inventors: Harish Niranjanlal Dorwal, Sandirane Sabapathy, Seeta Raman Gorantla, Satyanarayana Chava
  • PROCESS FOR THE PREPARATION OF TENOFOVIR
    Publication number: 20140303368
    Abstract: The present invention provides a process for preparation of tenofovir by dealkylation of its phosphonate ester using Ionic complexes. The present invention also provides a process for preparation of tenofovir disoproxil or a salt thereof using the tenofovir of the present invention.
    Type: Application
    Filed: November 15, 2012
    Publication date: October 9, 2014
    Applicant: Laurus Labs Private Limited
    Inventors: Venkata Sunil Kumar Indukuri, Sree Rambabu Joga, Seeta Ramanjaneyulu Gorantla, Satyanarayana Chava
  • Process for the preparation of Tenofovir
    Patent number: 8791259
    Abstract: The present invention provides a process for the preparation of tenofovir. The present invention also provides a process for the preparation of tenofovir disoproxil or a salt thereof and its pharmaceutical composition using the tenofovir of the present invention.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: July 29, 2014
    Assignee: Laurus Labs Private Limited
    Inventors: Satyanarayana Chava, Seeta Ramanjaneyulu Gorantla, Venkata Sunil Kumar Indukuri, Sree Rambabu Joga
  • SOLID FORMS OF ANTIRETROVIRAL COMPOUNDS, PROCESS FOR THE PREPARATION AND THEIR PHARMACEUTICAL COMPOSITION THEREOF
    Publication number: 20140094475
    Abstract: Disclosed are solid forms of antiretroviral compounds and anti-oxidative acids, and processes for their preparation. Pharmaceutical compositions using the solid forms are also disclosed.
    Type: Application
    Filed: April 9, 2012
    Publication date: April 3, 2014
    Applicant: LAURUS LABS PRIVATE LIMITED
    Inventors: Venkata S. Indukuri, Vamsee K. Muppidi, Sree R. Joga, Seeta R. Gorantla, Satyanarayana Chava
  • NOVEL SALTS OF SITAGLIPTIN, PROCESS FOR THE PREPARATION AND PHARMACEUTICAL COMPOSITION THEREOF
    Publication number: 20140073791
    Abstract: The present invention relates to pharmaceutically acceptable acid addition salts of sitagliptin, in particular anti-oxidant acid addition salts of sitagliptin and a process for its preparation. The present invention also provides a pharmaceutical composition using the pharmaceutically acceptable acid addition salts of sitagliptin.
    Type: Application
    Filed: October 12, 2012
    Publication date: March 13, 2014
    Applicant: LAURUS LABS PRIVATE LIMITED
    Inventors: Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Vamsee Krishna Muppidi, Satyanarayana Chava