Patents Assigned to Laurus Labs Private Ltd.
  • Patent number: 10774104
    Abstract: Disclosed is a method for the preparation of intermediates useful in the synthesis of gemcitabine-[phenyl-benzoxy-L-alaninyl)]-phosphate. Also disclosed is a method of preparing gemcitabine-[phenyl-benzoxy-L-alaninyl)]-phosphate.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: September 15, 2020
    Assignee: Laurus Labs Private Ltd
    Inventors: Mani Bushan Kotala, Venkata Lakshmi Narasimha Rao Dammalapati
  • Publication number: 20170166602
    Abstract: The present invention provides a process for the preparation of gemcitabine-[phenyl(benzoxy-L-alaninyl)] phosphate of Formula I in high yield and purity.
    Type: Application
    Filed: July 22, 2015
    Publication date: June 15, 2017
    Applicants: NuCana Biomed Limited, Laurus Labs Private Ltd.
    Inventors: Venkata Lakshmi Narasimha Rao Dammalapati, Mani Bushan Kotala, Shankar Madhavaram
  • 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
  • Patent number: 9206163
    Abstract: The present invention relates to an improved process for the preparation of Sunitinb. The process involves the activation of 5-((Z)-(5-fluoro-2-oxoindolin-3-ylidene) methyl)-2,4-dimethyl-1 H-pyrrole-3carboxylic acid to corresponding suitable carboxylic acid activating group. The present invention also relates to novel acid addition salts of Sunitinb and preparation thereof.
    Type: Grant
    Filed: March 22, 2013
    Date of Patent: December 8, 2015
    Assignee: Laurus Labs Private Ltd.
    Inventors: Sanjay Kumar Dehury, Venkata Lakshmi Narasimha Dammalapati, Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla
  • 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
  • Patent number: 9156885
    Abstract: The present invention provides processes for preparation of eptifibatide that involve coupling of amino acids in a (2+5), (4+3) and (3+4) sequence method. The invention further provides products produced by the described processes, novel compounds that can be used as synthetic intermediates for the preparation of eptifibatide.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: October 13, 2015
    Assignee: Laurus Labs Private Ltd.
    Inventors: Subha Nair Velayudhan, Ravindra Babu Bollu, Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Venkata Siva RamaKrishna Reddy Kallam, Bala Muralikrishna Madivada
  • 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
  • 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