Patents Assigned to Dr. Reddy's Laboratories, Limited
  • Patent number: 10464933
    Abstract: The present invention provides crystalline form of (R)-propylene glycol solvate of dasatinib and crystalline form of (S)-propylene glycol solvate of dasatinib.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: November 5, 2019
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Satyanarayana Thirunahari, Anish Anil Gupta, Srividya Ramakrishnan, Sonawane Swapnil, Rakeshwar Bandichhor, Srinivasula Reddy Lakkireddy
  • Publication number: 20190300483
    Abstract: The present application relates to solid state forms of Betrixaban and its Maleate salt, and processes for preparation thereof.
    Type: Application
    Filed: May 31, 2017
    Publication date: October 3, 2019
    Applicant: Dr. Reddy's Laboratories Limited
    Inventors: Subba Reddy PEDDI REDDY, Venkata Narasayya SALADI, Vishweshwar PEDDY, Satarupa BHATTACHARJEE
  • Publication number: 20190284282
    Abstract: This present invention relates to a method of stabilizing an aqueous pharmaceutical preparation susceptible to de-gradation by formulating in a dual buffer system wherein the individual buffers are selected from phosphate, aspartate, glutamate, and succinate buffer.
    Type: Application
    Filed: January 11, 2017
    Publication date: September 19, 2019
    Applicant: Dr. Reddy's Laboratories Limited
    Inventors: Murali JAYARAMAN, Pravin NAIR, Lakshmi KANAKADURGA, Navneet KAUR, Deepak THUMBRAHALLI
  • Publication number: 20190185471
    Abstract: Aspects of the present application relate to solid forms of Venetoclax and preparative processes thereof. Specific aspects relate to an amorphous form of Venetoclax, its solid dispersion and crystalline forms of Venetoclax or salts thereof. Further aspects of the present application relate to processes for the preparation of Venetoclax.
    Type: Application
    Filed: June 8, 2017
    Publication date: June 20, 2019
    Applicant: Dr. Reddy's Laboratories Limited
    Inventors: Subba Reddy PEDDI REDDY, Mohan Kumar KOTTUR, Ramprasad JURUPULA, Mohammed Azeezulla BAIG, Ramesh CHAKKA, Rajesh THI PPARABOINA, Vishweshwar PEDDY, Pallavi RAO, Srinivas ORUGANTI, Vilas Hareshwar DAHANUKAR
  • Patent number: 10301353
    Abstract: Aspects of the present application relates to co-crystal of carfilzomib with maleic acid, process for the preparation of co-crystal of carfilzomib with maleic acid, process for the preparation of pure carfilzomib from co-crystal of carfilzomib with maleic acid and process for the preparation of amorphous carfilzomib.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: May 28, 2019
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Ramesh Kumar Nadgoud, Sridhar Vasam, Siva Reddy Makireddy, Veerender Murki, Rakesh Ganorkar, Jithin Jose, Subba Reddy Peddi Reddy, Praveen Chappa
  • Patent number: 10293048
    Abstract: A pharmaceutical composition and preparing processes thereof. The composition comprises bortezomib or pharmaceutically acceptable salt or solvate thereof, tromethamine and an organic carboxylic acid, and the pH of the composition is from about 3.0 to 6.0.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: May 21, 2019
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Navin Vaya, Harshal Prabhakar Bhagwatwar, Rakeshwar Bandichhor, Nirmal Khati, Riyaz Ahmed Shaik, Rahul Bhise, Yakaswamy Asalla, Rajkumar Bhimrao Shinde
  • Patent number: 10059770
    Abstract: Provided is a method for producing glycoprotein composition with an increased percentage of Man5 and/or afucosylated glycans. Use of manganese for increasing the percentage of Man5 and afucosylated glycans in glycoprotein composition is further provided.
    Type: Grant
    Filed: January 18, 2013
    Date of Patent: August 28, 2018
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Guruvasuthevan Ramasamy Thuduppathy, Paranandi Ananta Madhava Ram, Kaumil Bhavsar, Neha Garg
  • Patent number: 10011590
    Abstract: The present application relates to crystalline and amorphous Vilazodone hydrochloride. The present application further relates to amorphous solid dispersions of vilazodone hydrochloride with pharmaceutically acceptable carriers. The present application also relates to a process for the preparation of form I of vilazodone free base.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: July 3, 2018
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Javed Iqbal, Srinivas Oruganti, Rajesh Kumar Rapolu, Vishweshwar Peddy, Rajesham Boge, Deepika Pathivada, Dharma Jagannadha Rao Velaga, Sesha Reddy Yarraguntla, Sudhakar Reddy Baddam, Anitha Naredla, Kiran Kumar Doniparthi, Srividya Ramakrishnan
  • 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
  • Patent number: 9982012
    Abstract: Provided is a method of refolding of recombinant GCSF that minimizes the generation of oxidized forms of GCSF by optimizing the refolding of inclusion bodies containing recombinant GCSF.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: May 29, 2018
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Bharata Ratnam Parayitam, Ravikant Devakate, Neeraj Narayanan, Gopinath Govindarajan, Vivek Arthanari, Jaby Jacob
  • Patent number: 9926296
    Abstract: A process for preparing Nilotinib hydrochloride Form R5 and Form R6 comprises: step a) providing a solution of Nilotinib free base in acetic acid and optionally an organic solvent, step b) adding hydrochloric acid taken in an organic solvent to the solution of step a), then separating Nilotinib hydrochloride Form R5 (step c), and finally drying at about 100° C. to 150° C. to obtain Nilotinib hydrochloride Form R6.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: March 27, 2018
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Arjun Kumar Tummala, Srinivas Rangineni
  • Patent number: 9879045
    Abstract: The present application relates to a regioselective and stereoselective processes for the preparation of dehydroepi-androsterone (DHEA) and processes for its intermediates.
    Type: Grant
    Filed: May 21, 2014
    Date of Patent: January 30, 2018
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Anna Fryszkowska, Michael Siegfried Quirmbach, Srikanth Sarat Chandra Gorantla, Sanjay Reddy Alieti, Srinivas Reddy Poreddy, Naresh Kumar Reddy Dinne, Upadhya Timmanna, Vilas Dahanukar
  • Patent number: 9701641
    Abstract: The present application relates to crystalline and amorphous forms of Enzalutamide. The present application further relates to amorphous solid dispersions of Enzalutamide with pharmaceutically acceptable carriers. The present application also relates to a process for the preparation of Form R1 of Enzalutamide.
    Type: Grant
    Filed: October 13, 2016
    Date of Patent: July 11, 2017
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Vishweshwar Peddy, Rajesham Boge, Lokeswara Rao Madivada
  • Patent number: 9688682
    Abstract: The present invention is directed to novel crystalline forms of pemetrexed tromethamine salts and processes for preparation thereof.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: June 27, 2017
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Ramesh Kumar Nadgoud, Sridhar Vasam, Siva Reddy Makireddy, Goverdhan Gilla, Syam Kumar Unniaran Kunhimon, Sachin Sharma, Kumara Swamy Dornala
  • Patent number: 9610280
    Abstract: The invention provides a pharmaceutical composition for intranasal administration comprising a salt of sumatriptan or a physiologically acceptable solvate thereof, an alkyl glycoside or saccharide alkyl ester and optionally at least one pharmaceutically acceptable excipient, wherein the said composition provides Tmax value of less than 30 minutes upon said administration. Other aspects and embodiments are contemplated and described. The invention also provides a pharmaceutical composition for intranasal administration comprising a triptan, a pharmaceutically acceptable vehicle and a mucosal permeation enhancer, wherein upon said administration said composition provides a Tmax substantially equivalent to subcutaneous administration of said triptan. Other aspects and embodiments are contemplated and described.
    Type: Grant
    Filed: October 28, 2015
    Date of Patent: April 4, 2017
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Rajesh Gandhi, Sreekanth Manikonda, Arun Jana, Sameer Shrinivas Kunte
  • 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
  • Patent number: 9233966
    Abstract: Provided are processes for preparing Ticagrelor and its intermediates that are useful in the processes. Also provided are salts of Ticagrelor, their processes and solid dispersion of Ticagrelor having Ticagrelor in amorphous form.
    Type: Grant
    Filed: April 5, 2013
    Date of Patent: January 12, 2016
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Vilas Hareshwar Dahanukar, Goverdhan Gilla, Sreenivasulu Kurella, Shweta Mahajan Kulkarni, Raghupathi Reddy Anumula, Sampath Aalla, Yakambram Bojja, Ravi Ram Chandra Sekhar Elati, Veerender Murki, Venkata Annapurna Sasikala Cheemalapati
  • Patent number: 9212172
    Abstract: Aspects of the present disclosure include crystalline bazedoxifene free base, crystalline bazedoxifene acetate Form D, and processes for their preparation. The drug compound having the adopted name “bazedoxifene acetate” has a chemical name 1-[4-(2-azepan-1-yl-ethoxy)benzyl]-2-(4-hydroxyphenyl)-3-methyl-1H-indol-5-ol acetic acid, and has the chemical structure shown below as Formula I.
    Type: Grant
    Filed: September 14, 2011
    Date of Patent: December 15, 2015
    Assignees: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Sundra Lakshmi Kanniah, Rajesham Boge, Peddireddy Subbareddy, Lalita Kanwar, Srividya Ramakrishnan, Ramya Kumar, Rakeshwar Bandichhor, Amarnath Reddy Lekkala, Ravi Kumar Mylavarapu, Vagwala Raghunath
  • Patent number: 9056112
    Abstract: The present application provides a process for preparation of Linagliptin reacting (R)-piperidine-3-amine of Formula II or an acid addition salt thereof with 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-bromoxanthine of Formula III in the presence of a suitable base in an inert organic solvent.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: June 16, 2015
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Pranab Haldar, Venkateswarlu Muvva, Anil Kumar Prataprao, Vijaya Kumar Karri, Bhanu Pratap Taduri, Venkateshwara Natraj Birudaraju
  • Patent number: 9051291
    Abstract: The present application relates to an improved process for the preparation of (S)-equol (1). The present application also relates to novel intermediates of formula (7), (7A), (8) and (9) and their use for the synthesis of (S)-equol.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: June 9, 2015
    Assignee: DR. REDDY'S LABORATORIES LIMITED
    Inventors: Vilas Hareshwar Dahanukar, Syam Kumar Unniaran Kunhimon, Upadhya Timmana, Abir Kumar Pal, Mahendar Macha, Venkata Madhubabu Meesala, Krishna Mohan Thalabathula, Shankar Ramanathan