Patents Assigned to Dr. Reddy's Laboratories Inc.
  • Patent number: 7772398
    Abstract: A process for preparation of crystalline Form I of clopidogrel hydrogen sulphate, that include separating the crystalline Form I of clopidogrel hydrogen sulphate from a solution of clopidogrel freebase in a solvent, which is 2-propanol or 2-butanol is provided.
    Type: Grant
    Filed: March 11, 2005
    Date of Patent: August 10, 2010
    Assignees: Dr. Reddy's Laboratories, Inc., Dr. Reddy's Laboratories Limited
    Inventors: Eswaraiah Sajja, Raghupathi Reddy Anumula, Bhaskara rao Venkata Uppala
  • Publication number: 20100196464
    Abstract: Solid pharmaceutical formulations are prepared using compositions comprising orlistat and having average particle sizes less than about 250 ?m.
    Type: Application
    Filed: September 17, 2008
    Publication date: August 5, 2010
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Soma Sekhar Kothamasu, Arti Sah, Uma Sowjanya Asapu, Maheswara Reddy Arumalla
  • Publication number: 20100197944
    Abstract: Processes for preparing substantially pure docetaxel, new crystalline forms of docetaxel and processes for preparation thereof, processes for preparing docetaxel trihydrate, and pharmaceutical compositions comprising docetaxel.
    Type: Application
    Filed: July 3, 2008
    Publication date: August 5, 2010
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Raghavendracharyulu Venkata Palle, Sekhar Munaswamy Nariyam, Rajasekhar Kadaboina, Lankeshwararao Matti, Sridhar Vasam, Shravan Kumar Komati, Siva Reddy Makireddy
  • Publication number: 20100160653
    Abstract: The present invention provides crystalline polymorphs of docetaxel and processes for preparing them, a method for preparing amorphous docetaxel, and a process for preparing docetaxel.
    Type: Application
    Filed: March 20, 2007
    Publication date: June 24, 2010
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Raghavendracharyulu Venkata Palle, Sekhar Munaswamy Nariyam, Selvakumar Balaraman, Neelakandan Kaliaparumal
  • Publication number: 20100137358
    Abstract: Compositions and/or formulations comprising solifenacin or a salt thereof and processes for preparing the same. Certain compositions and formulations contain a stable amorphous form of solifenacin succinate.
    Type: Application
    Filed: April 11, 2008
    Publication date: June 3, 2010
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Pramod Kharwade, Movva Snehalatha, Atul Vishvanath Patil, Narayanan Badri Vishwanathan, Indu Bhushan, Venkata Nookaraju Sreedharala, Harshal Prabhakar Bhagwatwar, Surya Narayana Devarakonda, Ravi Kumar Komareddy, Azeezulla Baig Mohammed, Arjun Kumar Tummala, Jaydeepkumar Dahyabhai Lilakar, Srirami Reddy Kikkuru, Swarupa Dudipala
  • Publication number: 20100130734
    Abstract: There is provided processes for the preparation of capecitabine and intermediates thereof.
    Type: Application
    Filed: April 17, 2008
    Publication date: May 27, 2010
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Raghavendracharyulu Venkata Palle, Anant Madhavrao Marathe, Srinivas Aluru, Ramesh Bochha, Rajasekhar Kadaboina, Sekhar Munaswamy Nariyam, Anil Patri
  • Publication number: 20100125149
    Abstract: There are provided crystalline forms of Ibandronate sodium and process for preparing thereof.
    Type: Application
    Filed: April 18, 2008
    Publication date: May 20, 2010
    Applicants: Dr. Reddy's Laboratories Ltd., Dr. Reddy's Laboratories, Inc.
    Inventors: Surya Narayana Devarakonda, Ram Thaimattam, Balaji Raghupati, Minakshi Asnani, Satish Kumar Vasamsetti, Srinivasulu Rangineni, Vamsi Krishna Muppidi
  • Patent number: 7700779
    Abstract: The present invention is related to novel polymorph of Fexofenadine and Fexofenadine hydrochloride of formula 1 and process of preparation thereof. The present invention is also directed to provide pure novel polymorphs of Fexofenadine and its hydrochloride by a simple process which is cost effective, commercially viable and environment friendly.
    Type: Grant
    Filed: July 31, 2001
    Date of Patent: April 20, 2010
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: M. Satyanarayana Reddy, S. Thirumalai Rajan, U. V. Bhaskara Rao
  • Publication number: 20100087444
    Abstract: There is provided a solid dispersion of imatinib mesylate that includes imatinib mesylate and a pharmaceutically acceptable carrier, wherein said carrier is a cellulose derivative. Also provided is a process for making a solid dispersion and a process for making imatinib.
    Type: Application
    Filed: March 12, 2008
    Publication date: April 8, 2010
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Surya Narayana Devarakonda, Minakshi Asnani, Munaswamy Sekhar Nariyam, Arjun Kumar Tummala, SR., Vamsi Krishna Mudapaka, Srinivas Benda, Subba Reddy Peddireddy, Balaji Raghupati, Raghavendracharyulu Venkata Palle, Subrahmanyam Raghupati Rama Vinjamuri, Vijay Bhailalbhai Patel
  • Publication number: 20100081809
    Abstract: The present application relates to amorphous forms of valganciclovir salts such as the hydrochloride and processes for their preparation.
    Type: Application
    Filed: October 28, 2009
    Publication date: April 1, 2010
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Surya Narayana Devarakonda, Sesha Reddy Yerraguntla, Venu Nalivela, Arjun Kumar Tummala
  • Publication number: 20100068269
    Abstract: A pharmaceutical dosage form for treating or preventing cardiovascular events comprises therapeutic amounts of: a ?-adrenergic receptor antagonist, a diuretic, or both; a cholesterol-lowering agent; an inhibitor of the renin-angiotensin system; and aspirin.
    Type: Application
    Filed: November 19, 2009
    Publication date: March 18, 2010
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Badal Kumar Sasmal, Billa Praveen Reddy, Vijay Dinanathji Nasare, Mailatur Sivaraman Mohan
  • Publication number: 20100069635
    Abstract: There is provided a compound, which is dehydroabietylamine salt of rosuvastatin. Also provided are processes for making rosuvastatin calcium that include formation of dehydroabietylamine salt of rosuvastatin.
    Type: Application
    Filed: November 29, 2007
    Publication date: March 18, 2010
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Satyanarayana Bollikonda, Sridhar Chaganti, Ranga Reddy Tamma, Loka Maheshwari Pochaiah h Dommati
  • Publication number: 20100063291
    Abstract: A process for preparation of montelukast or a salt thereof is provided, the process including reacting a late intermediate compound which is 2-[1-[1-R-3-[2-(7 chloro quinolin-2-yl)vinyl [phenyl]-3-[2-methoxy carbonyl phenyl]propyl sulfonyl methyl]cyclo propyl]acetic acid or a salt thereof with methyl magnesium chloride or methyl magnesium bromide in an organic solvent. In one embodiment, the process includes reacting an earlier intermediate compound which is methyl 2-(3-R-(3-(2-(7-chloro 2-quinolinyl)-ethenyl)-3 hydroxy propyl)benzoate with methane sulfonyl chloride or toluene sulfonyl chloride to obtain a mesylated or tosylated derivative of the earlier intermediate compound; followed by a reaction of the mesylated or tosylated derivative with 1-mercapto methyl cyclopropane acetic acid in a polar solvent in a presence of a base to obtain the late intermediate compound.
    Type: Application
    Filed: November 17, 2009
    Publication date: March 11, 2010
    Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY'S LABORATORIES LIMITED
    Inventors: Buchi Reddy Reguri, Satyanarayana Bollikonda, Veera Venkata Naga Chandra Sekhar Bulusu, Ravi Kumar Kasturi, Sanjeev Kumar Aavula
  • Publication number: 20100063072
    Abstract: Duplex coating schemes and associated methods of formation, including a siloxane-based soft coating and a plasma-based SiOxCy hard coating used in combination to improve the durability of polymeric substrates.
    Type: Application
    Filed: April 4, 2008
    Publication date: March 11, 2010
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Raghavendracharyulu Venkata Palle, Sekhar Munaswamy Nariyam, Vijay Bhailalbhai Patel, Raghupati Rama Subrahmanyam Vinjamuri, Surya Narayana Devarakonda, Sesha Reddy Yarraguntla, Vamsi Krishna Mudapaka, Venu Nalivela
  • Patent number: 7659406
    Abstract: A process for preparing valsartan.
    Type: Grant
    Filed: January 3, 2006
    Date of Patent: February 9, 2010
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Pratap Reddy Padi, Satya Narayana Bollikonda, Ananda Mohan Jasty, Suma Latha Yasareni, Vishal Dayaram Parmar
  • Publication number: 20100029743
    Abstract: The present invention relates to pharmaceutical formulations of atorvastatin or its pharmaceutically acceptable salts, solvates, hydrates, enantiomers, polymorphs or their mixtures; and processes for preparing the same, and their methods of use, treatment and administration. Further, the present invention relates to pharmaceutical compositions comprising an acid-solubility-enhanced form of atorvastatin or its salts.
    Type: Application
    Filed: September 27, 2007
    Publication date: February 4, 2010
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Sudeep Kumar Agrawal, Abhijeet Ashok Upadhye, Indu Bhushan, Mailatur Sivaraman Mohan, Riswan Zafar, Alagumurugan Alagarsamy
  • Publication number: 20100016606
    Abstract: A hydrate of esomeprazole magnesium in the form of an amorphous solid is provided. Methods of preparation and use of, as well as formulation containing the hydrate of esomeprazole magnesium in the form of an amorphous solid are also provided.
    Type: Application
    Filed: September 28, 2009
    Publication date: January 21, 2010
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Manne Satyanarayana Reddy, Muppa Kishore Kumar, Koilkonda Purandhar, Keshaboina Sreenath
  • Publication number: 20090326230
    Abstract: The present invention relates to solifenacin in solid form and a process for its preparation and to a process for the preparation of (1S)-1-Phenyl-1,2,3,4-tetrahydro-isoquinoline, a key intermediate in the synthesis of solifenacin and its salts.
    Type: Application
    Filed: July 18, 2007
    Publication date: December 31, 2009
    Applicants: Dr. Reddy's Laboratories Ltd., Dr. Reddy's Laboratories, Inc.
    Inventors: Vijayavitthal Thippannachar Mathad, Jaydeepkumar Dahyabhai Lilakar, Goverdhan Gilla, Sriramireddy Kikkuru, Raveendra Reddy Chinta, Swaroopa Dudipala
  • Publication number: 20090324728
    Abstract: Compositions comprising amorphous substituted benzimidazole compounds.
    Type: Application
    Filed: September 3, 2009
    Publication date: December 31, 2009
    Applicants: Dr. Reddy's Laboratories Limited, Dr. Reddy Laboratories, Inc.
    Inventors: Indu Bhushan, Kavita Vermani, Ravinder Kodipyaka, Pavak Mehta, Mailatur Sivaraman Mohan
  • Patent number: 7612098
    Abstract: A hydrate of esomeprazole magnesium in the form of an amorphous solid is provided. Methods of preparation and use of, as well as formulation containing the hydrate of esomeprazole magnesium in the form of an amorphous solid are also provided.
    Type: Grant
    Filed: August 28, 2003
    Date of Patent: November 3, 2009
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Manne Satyanarayana Reddy, Muppa Kishore Kumar, Koilkonda Purandhar, Keshaboina Sreenath