Patents Assigned to Dr. Reddy's Laboratories Inc.
  • Process for preparing (2R,3S/2S,3R)-2-(2,4-difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol
    Patent number: 8039619
    Abstract: Voriconazole is prepared by a process comprising condensing 1-(2,4-difluorophenyl)-2-(1H-1,2,4-triazole-1-yl)ethanone with 4-chloro-6-ethyl-5-fluoropyrimidine, in a ketone, ether, aliphatic hydrocarbon, or aromatic hydrocarbon solvent, to give (2R,3S/2S,3R)-3-(4-chloro-5-fluoropyrimidin-6-yl)-2-(2,4-diflurophenyl)-1-(1H -1,2,4-triazole-1-yl)butan-2-ol.
    Type: Grant
    Filed: June 10, 2010
    Date of Patent: October 18, 2011
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Venkataraman Sundaram, Venkata Bhaskara Rao Uppala, Surya Prabhakar Akundi, Venkateswarlu Muvva, Vijayawardhan Chitta, Alekhya Donthula, Manoj Ramesh Kharkar, Surya Narayana Devarakonda, Subba Reddy Peddireddy
  • LENALIDOMIDE SOLVATES AND PROCESSES
    Publication number: 20110237802
    Abstract: The present application relates to lenalidomide salts and solvates, and processes for the preparation thereof.
    Type: Application
    Filed: May 17, 2011
    Publication date: September 29, 2011
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Srinivasulu Rangineni, Nagakiran Duggirala, Vamsi Krishna Mudapaka, Rajasekhar Kadaboina, Veerender Murki, Amarendhar Manda, Venkata Rao Badisa, Naresh Vemula, Rama Seshagiri Rao Pulla
  • GRANULAR PHARMACEUTICAL COMPOSITIONS
    Publication number: 20110236475
    Abstract: Pharmaceutical compositions comprising a plurality of formulated particles containing at least one active ingredient and at least one pharmaceutically acceptable excipient, granulated with a granulating composition containing at least one pharmaceutical excipient.
    Type: Application
    Filed: June 10, 2011
    Publication date: September 29, 2011
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Mohammad Bala Pasha, Raghupathi Kandarapu, Vasanth Kumar Shetty, Indu Bhushan, Mailatur Sivaraman Mohan
  • PREPARATION OF CAPECITABINE
    Publication number: 20110224422
    Abstract: The present invention relates to substantially pure capecitabine and processes for the preparation thereof.
    Type: Application
    Filed: May 25, 2011
    Publication date: September 15, 2011
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Rajasekhar Kadaboina, Sekhar Munaswamy Nariyam, Veerender Murki, Raghupati Rama Vinjamuri, Srinivas Benda, Shravan Kumar Komati, Nageshwar Gunda
  • PREPARATION OF RASAGILINE AND SALTS THEREOF
    Publication number: 20110218360
    Abstract: The present invention relates to processes for the preparation of rasagiline mesylate. Also provided is rasagiline mesylate having 90 volume percent of the particles (D90) with sizes less than about 6 ?m and processes for the preparation thereof.
    Type: Application
    Filed: May 20, 2011
    Publication date: September 8, 2011
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Praveen Cherukupally, Venkata Reddy Vajrala, Vijaya Kumar Adla, Srinivasulu Rangineni, Sundaralakshmi Kanniah
  • Preparation of rivastigmine and its salts
    Patent number: 8013181
    Abstract: There are provided processes for making rivastigmine. In one embodiment, the process includes reacting S-(?)-[1-(3-hydroxyphenyl)ethyl]dimethylamine with N-ethyl-N-methyl carbamoyl chloride in the presence of an organic base to obtain a free base of rivastigmine.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: September 6, 2011
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Venkata Naga Brahmeswara Rao Mandava, Venkata Reddy Vajrala, Ganesh Varanasi, Vijay Kumar Adla, Mukund Reddy Jambula, Vijaypal Reddy Kanumathi Reddy
  • PREPARATION OF CRYSTALLINE PALONOSETRON HYDROCHLORIDE
    Publication number: 20110213150
    Abstract: Processes for the preparation of palonosetron hydrochloride and its crystalline forms.
    Type: Application
    Filed: May 9, 2011
    Publication date: September 1, 2011
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Srinivas Katkam, Rajeshwar Reddy Sagyam, Vishnuvardhan Sunkara, Sridhar Munagala, Murali Mohan Muttavarapu
  • Process for preparing bisphosphonic acids
    Patent number: 8003820
    Abstract: A process for preparing a bisphosphonate compound comprises reacting a carboxylic acid with a phosphonating agent, in a cresol solvent.
    Type: Grant
    Filed: October 18, 2006
    Date of Patent: August 23, 2011
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Venkata Naga Brahmeswara Rao Mandava, Radha Krishna Singam Setty, Nagaraju Manne
  • PHARMACEUTICAL FORMULATIONS COMPRISING PEMETREXED
    Publication number: 20110201631
    Abstract: Pharmaceutical formulations comprising amorphous pemetrexed or its salts, and processes to prepare the formulations.
    Type: Application
    Filed: March 9, 2011
    Publication date: August 18, 2011
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Chandrasekhar Kocherlakota, Raghuveera Hathibelagal Goruva, Krishnam Raju Kovoru, Nagaraju Banda
  • AZACITIDINE PROCESS AND POLYMORPHS
    Publication number: 20110201800
    Abstract: Processes for preparing azacitidine. Further included are processes for the preparation of crystalline azacitidine crystalline Form (I) and mixtures of azacitidine crystalline Forms (I) and (II).
    Type: Application
    Filed: January 28, 2011
    Publication date: August 18, 2011
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Praveen Cherukupally, Satish Kumar Vujjini, Ganesh Varanasi, Sreenadha Charyulu Kandala, Srinivas Areveli, Satyanarayana Raju Tirumalaraju
  • AMORPHOUS PEMETREXED DISODIUM
    Publication number: 20110196154
    Abstract: Processes for the preparation of amorphous pemetrexed disodium, and removal of residual solvents from amorphous pemetrexed disodium.
    Type: Application
    Filed: March 8, 2011
    Publication date: August 11, 2011
    Applicants: Dr. Reddy's Laboratories Ltd., Dr. Reddy's Laboratories, Inc.
    Inventors: Rajasekhar Kadaboina, Sekhar Munaswamy Nariyam, Srividya Ramakrishnan, Subbareddy Peddireddy, Mohammed Azeezulla Baig, Nagakiran Duggirala
  • PHARMACEUTICAL COMPOSITIONS COMPRISING BORONIC ACID COMPOUNDS
    Publication number: 20110178470
    Abstract: Pharmaceutical compositions comprising bortezomib for oral or parenteral administration. Specific aspects relate to stable, sugar free pharmaceutical compositions of bortezomib, including its pharmaceutically acceptable salts or solvates, in the form of ready-to-use solutions, lyophilized forms, or physical admixtures, and the preparation thereof. Other aspects include processes for preparing compositions and methods of using compositions for treating various types of cancers in mammals.
    Type: Application
    Filed: March 31, 2011
    Publication date: July 21, 2011
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Chandrasekhar Kocherlakota, Lavanya Nallamothu, Krishnam Raju Kovoru, Nagaraju Banda, Mittapally Sridhar, Keni Devendra Chandrkanth, Soogareddy Channareddy Shantreddy, Wagh Sanjay Chhagan, Pillai Raviraj Sukumar, Bandari Sreedhar, Hinge Kranthikumar
  • PHARMACEUTICAL COMPOSITIONS OF [5(S)-(2'-HYDROXYETHOXY)-20(S)-CAMPTOTHECIN
    Publication number: 20110177161
    Abstract: There is provided a powder composition for use in a pharmaceutical product, the composition including a) 5(S)-(2?-hydroxyethoxy)-20(S)-CPT; at least one cyclodextrin; wherein 5(S)-(2?-hydroxyethoxy)-20(S)-CPT includes less than 5% of 5(R)-(2?-hydroxyethoxy)-20(S)-CPT. Preferably, in the powder composition, 5(S)-(2?-hydroxyethoxy)-20(S)-CPT is substantially free from said 5(R)-(2?-hydroxyethoxy)-20(S)-CPT.
    Type: Application
    Filed: May 27, 2008
    Publication date: July 21, 2011
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Vijay Kumar Nekkanti, Pradeep Jairao Karatgi, Mahesh Paithankar, Raviraj Sukumar Pillai, Akella Venkateswarlu, Alikunju Shanvas, Reka Ajay Kumar, Mullangi Ramesh, Sirisilla Raju, Duvvuri Subrahmanyam, Rajagopal Sriram
  • Polymorphic forms of vardenafil
    Patent number: 7977478
    Abstract: Crystalline polymorphic forms of vardenafil and vardenafil hydrochloride, and processes for preparing them.
    Type: Grant
    Filed: September 27, 2006
    Date of Patent: July 12, 2011
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Eswaraiah Sajja, Ravindar Reddy Koppera, Satyanarayana Revu, Venkata Reddy Vajrala, Vijayapal Reddy Kanumathi
  • RALOXIFENE PHARMACEUTICAL FORMULATIONS
    Publication number: 20110159084
    Abstract: Pharmaceutical formulations comprising raloxifene or its salts, esters, polymorphs, isomers, hydrates, solvates, or derivatives thereof having defined particle sizes. Also described are processes for preparing formulations and methods of using such formulations.
    Type: Application
    Filed: April 2, 2009
    Publication date: June 30, 2011
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Alagumurugan Alagarsamy, Boorugu Rambabu, Pallempalli Siva Reddy, Kumaran Venugopal, Bhasin Rakesh Kumar
  • PREPARATION OF RANOLAZINE
    Publication number: 20110151258
    Abstract: Preparation of ranolazine and intermediates thereof, for use in pharmaceutical compositions comprising ranolazine.
    Type: Application
    Filed: February 28, 2011
    Publication date: June 23, 2011
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Raghupathi Reddy Anumula, Goverdhan Gilla, Sampath Aalla, Lokeswara Rao Madivada, Prabhaker Macherla, Srinivas Kurella, Kavitha Charagondla, Ramamurthy Kasula, Rajagopala Rao Mandadapu, Krishaniah Charagondla, Malati Vakamulla, Durga Prasad Janaki Bhavanipurapu
  • MODIFIED RELEASE NIACIN FORMULATIONS
    Publication number: 20110123575
    Abstract: Modified release pharmaceutical formulations comprising niacin in a non-swellable core, and processes for preparation of the formulations.
    Type: Application
    Filed: June 2, 2009
    Publication date: May 26, 2011
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Rajesh Vooturi, Dhanajay Singare, Shantanu Yeshwant Damle, Pradeep Jairao Karatgi, Sesha Sai Marella, Harshal Prabhakar Bhagwatwar, Ish Kumar Khanna, Raviraj Sukumar Pillai
  • Process for preparing telmisartan
    Patent number: 7943781
    Abstract: A process comprising cyclizing 3-amino-4-butyramido-5-methylbenzoic acid to form 2-n-propyl-4-methyl-benzimidazole-6-carboxylic acid.
    Type: Grant
    Filed: October 18, 2005
    Date of Patent: May 17, 2011
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Sundaram Venkataraman, Vijayavitthal Thippannachar Mathad, Srirami Reddy Kikkuru, Srinivasan Neti, Raveendra Reddy Chinta, Muthulingam Arunagiri, Lalitha Kumari Routhu
  • Tetracycline derivatives as antibacterial agents
    Patent number: 7939513
    Abstract: In accordance with one aspect, the present invention provides a compound of general formula (I), its stereoisomers thereof and/or its pharmaceutically acceptable salts thereof, which have antibacterial activity; with methods of treating infectious diseases in warm blooded animals employing these new compounds. wherein R1 is selected from optionally substituted alkyl.
    Type: Grant
    Filed: September 8, 2008
    Date of Patent: May 10, 2011
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Mohamed Takhi, Natesan Selvakumar, Sreenivas Kandepu, Gavara Govinda Rajulu, Javed Iqbal
  • Bisphospholanes for use as catalysts in asymmetric reactions
    Patent number: 7935841
    Abstract: The invention concerns an enantiomerically enriched compound of formula (1) or the opposite enantiomer thereof wherein each of Ar1—Ar4 represent the same or different aromatic groups of up to 20 carbon atoms and the bridging group X is the formula (5) in which * denotes points of attachment to phosphorus atoms and methods of making thereof.
    Type: Grant
    Filed: April 18, 2007
    Date of Patent: May 3, 2011
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Philip M. Jackson, Ian Campbell Lennon, Martin E. Fox