Patents Assigned to Dr. Reddy's Laboratories Inc.
  • TOPICAL FORMULATIONS COMPRISING A STEROID
    Publication number: 20120214776
    Abstract: The application provides formulations for the topical administration of an active agent comprising at least one steroid, in the form of topical sprays that are propellant-free, and/or substantially non-foaming, and/or alcohol-free. The present application also provides processes for preparing such compositions and methods of using them in management of skin diseases or disorders such as psoriasis, dermatoses, and other associated skin diseases or disorders.
    Type: Application
    Filed: August 31, 2010
    Publication date: August 23, 2012
    Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY'S LABORATORIES LTD.
    Inventors: Udhumansha Ubaidulla, Sateesh Kandavilli, Ajay Sunil Vairale, Jeffrey A. Wayne, Vijendra Nalamothu, Mistry Meghal, Refika Isil Pakunlu
  • Aprepitant polymorph mixtures
    Patent number: 8217039
    Abstract: Intimate mixtures of aprepitant crystalline Form I and crystalline Form II, having specific weight ratios of the forms.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: July 10, 2012
    Assignees: Dr. Reddy's Laboratories Ltd., Dr. Reddy's Laboratories, Inc.
    Inventors: Vijayavitthal Thippannachar Mathad, Pravinchandra Jayantilal Vankawala, Raviram Chandrasekhar Elati, Prabhakar Macharla, Srinivas Gangula, Naveen Kumar Kolla, Ravi Kumar Komareddy, Surya Narayana Devarkonda, Subbareddy Peddireddy
  • ENZYMES AND METHODS FOR RESOLVING AMINO VINYL CYCLOPROPANE CARBOXYLIC ACID DERIVATIVES
    Publication number: 20120135441
    Abstract: Preparation and isolation of amino vinyl cyclopropane carboxylic acid derivatives and salts thereof, methods of resolving enantiomers, and methods of identifying compositions and/or enzymes that are capable of resolving racemic or partially enantiomerically enriched mixtures.
    Type: Application
    Filed: January 2, 2012
    Publication date: May 31, 2012
    Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY'S LABORATORIES LTD.
    Inventors: Ian N. Taylor, Michael C. Lloyd, Adrian Heseltine
  • PREPARATION OF FIPAMEZOLE
    Publication number: 20120130084
    Abstract: The application relates to processes for preparing fipamezole and its pharmaceutically acceptable salts, and intermediates thereof. It also provides intermediate compounds of Formula III and Formula IV, and processes for their preparation.
    Type: Application
    Filed: January 31, 2012
    Publication date: May 24, 2012
    Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY'S LABORATORIES LTD.
    Inventors: Ranjan Bhowmik Dipal, Lingam Yedugani, Raghavndra Rao Kamaraju, Subba Rao Jammula, Swapna Manikonda, Vilas H. Dahanukar
  • PRODUCTION OF TRANS-4-AMINOCYCLOPENT-2-ENE-1-CARBOXYLIC ACID DERIVATIVES
    Publication number: 20120101297
    Abstract: Methods of producing compositions of trans-4-amino-2-cyclopentene-1-carboxylic acid derivatives are described. Also described is an amine salt of a compound having formula A, having components present in both cis and trans structures.
    Type: Application
    Filed: January 2, 2012
    Publication date: April 26, 2012
    Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY'S LABORATORIES LTD.
    Inventors: Richard Lloyd, Justine Ann Peterson, Mark Jackson
  • MODIFIED RELEASE NIACIN PHARMACEUTICAL FORMULATIONS
    Publication number: 20120064161
    Abstract: Pharmaceutical formulations comprising niacin in a matrix comprising a hydrophobic polymer that modifies release of niacin.
    Type: Application
    Filed: November 18, 2011
    Publication date: March 15, 2012
    Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY'S LABORATORIES LTD.
    Inventors: Rajesh Vooturi, Dhananjay Singare, Shantanu Yeshwant Damle, Pradeep Jairao Karatgi, Sesha Sai Marella, Harshal Prabhakar Bhagwatwar, Ish Kumar Khanna, Raviraj Sukumar Pillai, Sivaram Pillarisetti
  • Preparation of aprepitant
    Patent number: 8133994
    Abstract: A process for preparing aprepitant.
    Type: Grant
    Filed: October 6, 2006
    Date of Patent: March 13, 2012
    Assignees: Dr. Reddy's Laboratories Ltd., Dr. Reddy's Laboratories, Inc.
    Inventors: Pravinchandra Jayantilal Vankawala, Ravi Ram Chandrasekhar Elati, Naveen Kumar Kolla, Subrahmanyeswara Rao Chlamala, Srinivas Gangula
  • Preparation of amorphous hydrous esomeprazole magnesium
    Patent number: 8134008
    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: September 28, 2009
    Date of Patent: March 13, 2012
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Manne Satyanarayana Reddy, Muppa Kishore Kumar, Koilkonda Purandhar, Keshaboina Sreenath
  • PREPARATION OF DECITABINE
    Publication number: 20120046457
    Abstract: The present application relates to processes for the preparation and purification of decitabine structurally represented by formula (I): and to processes for the preparation of a crystalline form of decitabine.
    Type: Application
    Filed: October 27, 2011
    Publication date: February 23, 2012
    Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY'S LABORATORIES LTD.
    Inventors: Naveen Kumar Kolla, Uday Kumar Neelam, Sudhakar Reddy Baddam, Srinivas Gangula
  • FIXED DOSE DRUG COMBINATION FORMULATIONS
    Publication number: 20120045505
    Abstract: Pharmaceutical formulations comprising multiple drugs, for treating or preventing cardiovascular disease. Embodiments are capsules containing individual drugs, or combinations of drugs, in the form of small tablets.
    Type: Application
    Filed: October 28, 2011
    Publication date: February 23, 2012
    Applicants: Dr. Reddy's Laboratories, Inc., Dr. Reddy's Laboratories Ltd.
    Inventors: Badal Kumar Sasmal, Praveen Reddy Billa, Vijay Dinanathji Nasare, Mailatur Sivaraman Mohan, Suryakumar Jayanthi, Rajesh Dubey, Seshasayana Avvaru, Phanikumar Reddy Satti, Ranjan Mund Manas, Anitha Chidipothu, Varun Jain
  • COMPOSITIONS FOR DRUG DELIVERY
    Publication number: 20120041029
    Abstract: Substantially non-porous polymeric microparticles comprising a hydrophobic polymer and a plasticizer, and containing therein a bioactive or bioinactive agent.
    Type: Application
    Filed: October 17, 2011
    Publication date: February 16, 2012
    Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY'S LABORATORIES LIMITED
    Inventors: Arutla Srinivas, Harshal P. Bhagwatwar, Vakati Venkat Arvind, Saravana Perumal, Vemula Sathya Narayana, Mandavalli Srirama Sarveswara Rao, Venkateswarlu Vobalaboina, Nookaraju Venkata Sreedharala
  • Thiazoles derivatives as AMPK activator
    Patent number: 8080668
    Abstract: The present application provides novel thiazole derivatives that are useful as activators of Adenosine 5?-Monophosphate-Activated Protein Kinase and pharmaceutical compositions containing such compounds.
    Type: Grant
    Filed: June 30, 2006
    Date of Patent: December 20, 2011
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Vijay Kumar Potluri, Saibal Kumar Das, Pradip Kumar Sasmal, Javed Iqbal, Parimal Misra, Ranjan Chakrabarti, Rashmi Talwar
  • 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin and its preparation and use for the treatment of cancer
    Patent number: 8080559
    Abstract: A 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diasterisomer is described which is a better inhibitor of topoisomerase I than either the diastereoisomeric mixture 5(RS)-(2?-hydroxyethoxy)-20(S)-camptothecin, or the 5(R)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer. Pharmaceutical compositions of the 5(S)-(2?-hydroxyethoxy)-20(S)-camptothecin diastereoisomer are also described as are methods of using the compound for the inhibition of topoisomerase I and for the treatment of cancer.
    Type: Grant
    Filed: October 12, 2009
    Date of Patent: December 20, 2011
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Venkateswarlu Akella, Shanavas Alikunju, Ajaya Kumar Reka, Ramesh Mullangi, Raju Sirisilla, Subrahmanyam Duvvuri, Sriram Rajagopal
  • PHARMACEUTICAL COMPOSITIONS COMPRISING ROPINIROLE
    Publication number: 20110287097
    Abstract: Controlled release pharmaceutical compositions comprising ropinirole or pharmaceutically acceptable salts thereof, wherein embodiments have ropinirole embedded in a matrix comprising one or more polymers, and the composition in monolithic form or in multiparticulate form.
    Type: Application
    Filed: August 14, 2008
    Publication date: November 24, 2011
    Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY'S LABORATORIES LIMITED
    Inventors: Hemanth Prakash Joshi, Narayanan Badri Vishwanathan
  • Polymorphic forms of esomeprazole sodium
    Patent number: 8063074
    Abstract: Polymorphic crystalline Forms J, K, L, M, and N of esomeprazole sodium.
    Type: Grant
    Filed: April 30, 2007
    Date of Patent: November 22, 2011
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Vijayabhaskar Bolugoddu, Amarnath Reddy Lekkala, Saurabh Shashikant Chitre, Srinivas Reddy Mamilla, Venkata Annapurna Sasikala Cheemalapati, Siva Prasad Reddy Seerapu
  • Polymorphic forms of tadalafil
    Patent number: 8063214
    Abstract: A process for preparing crystalline Form A of tadalafil (I), comprising crystallization from a solution of tadalafil in a solvent comprising a C3-C7 ester, a ketone, dimethylformamide, dimethylsulfoxide, ethanol, acetonitrile, a chlorinated hydrocarbon, t-butanol, N,N-dimethylacetamide, dioxane, N-methyl pyrrolidone, or a mixture of any two or more thereof.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: November 22, 2011
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Eswaraiah Sajja, Venkata Naga Kali Vara Prasada Raju Vetukuri, Srinivas Reddy Ningam, Ravindra Vedantham, Rajyalakshmi Bodepudi
  • Eszopiclone process
    Patent number: 8058438
    Abstract: Eszopiclone is prepared by reacting zopiclone with an enatiomerically pure di-p-toluoyl tartaric acid, recovering a solid salt, and reacting a solid salt with a base. Zopiclone is prepared by reacting 6-(5-chloropyrid-2-yl)-5-hydroxy-7-oxo-5,6-dihydropyrrolo[3,4-b]-pyrazine with 1-chlorocarbonyl-4-methylpiperazine hydrochloride.
    Type: Grant
    Filed: December 19, 2008
    Date of Patent: November 15, 2011
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.,
    Inventors: Venkata Naga Brahmeswara Rao Mandava, Sreenadhacharyulu Kandala, Mukunda Reddy Jambula, Raveendra Reddy Chinta
  • PREPARATION OF DOCETAXEL
    Publication number: 20110275841
    Abstract: The present invention relates to docetaxel and processes for preparing docetaxel, including process-related intermediates. The present invention also relates to processes for preparing substantially pure docetaxel and intermediates.
    Type: Application
    Filed: May 20, 2011
    Publication date: November 10, 2011
    Applicants: DR. REDDY'S LABORATORIES, INC., DR. REDDY'S LABORATORIES LTD.
    Inventors: Rajasekhar Kadaboina, Sekhar Munaswamy Nariyam, Lankeshwara Rao Matti, Sridhar Vasam, Siva Reddy Makireddy, Shravan Kumar Komati
  • Compositions for drug delivery
    Patent number: 8053000
    Abstract: Substantially non-porous polymeric microparticles comprising a hydrophobic polymer and a plasticizer, and containing therein a bioactive or bioinactive agent.
    Type: Grant
    Filed: June 5, 2006
    Date of Patent: November 8, 2011
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.,
    Inventors: Arutla Srinivas, Harshal P. Bhagwatwar, Vakati Venkat Arvind, Saravana Perumal, Vemula Sathya Narayana, Mandavalli Srirama Sarveswara Rao, Venkateswarlu Vobalaboina, Nookaraju Venkata Sreedharala
  • Process for the preparation of fluorotetraene
    Patent number: 8049021
    Abstract: There is provided a process for preparing 21-acetyloxy-6-alpha-fluoro-pregna-1,4,9(11),16-tetraene-3,20-dione compound of Formula I, which comprises reacting 21-acetyloxy-pregna-1,3,5,9(11),16-pentaene-3-oxo acetate with a fluorinating agent.
    Type: Grant
    Filed: March 21, 2008
    Date of Patent: November 1, 2011
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Sergio Ferrino, Diego Torres, Vilas Dahanukar