Patents by Inventor Babu Ireni

Babu Ireni has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • PROCESS FOR THE PREPARATION OF APALUTAMIDE
    Publication number: 20220281836
    Abstract: Aspect of the present application relates to process for the preparation of crystalline form of Apalutamide and process for the preparation of Apalutamide in the presence of neutralizing agent selected from triethylsilylchloride, trimethylsilyl chloride, zinc chloride, aluminium chloride, iron chloride, sodium chloride, acetic acid, ammonium chloride or mixture thereof followed by treating with acid to obtain Apalutamide.
    Type: Application
    Filed: August 14, 2020
    Publication date: September 8, 2022
    Inventors: Abhishek SUD, Nm SEKHAR, Rajeev REHANI, Babu IRENI, Sateesh MADAVARAM, Narsihma Reddy CHADA, Ashok ARIGE
  • PROCESS FOR THE PREPARATION OF ROXADUSTAT AND ITS INTERMEDIATES
    Publication number: 20200299242
    Abstract: The present invention provides the process for the preparation of Roxadustat and its intermediates. Another aspect of the present invention provides a process for preparation of ethyl-5-(2-butoxycarbonyl)-4-phenoxyphenyl) oxazole-4-carboxylate of the formula (X) and its use in the preparation of Roxadustat. Another aspect of the present invention provides a process for the preparation of ethyl-4-hydroxy-1-methyl-7-phenoxyisoquinoline-3-carboxylate of the formula (XIII) and its use in the preparation of Roxadustat.
    Type: Application
    Filed: November 30, 2018
    Publication date: September 24, 2020
    Inventors: Amarnath Reddy LEKKALA, Jaydeepkumar DAHYABHAI LILAKAR, Mohammad AASEEF, Rehani Rajeev BUDHDEV, Sekhar Munaswamy NARIYAM, Rakeshwar BANDICHHOR, Sharad Santu PACHORE, Soma Rani SARKAR, Babu IRENI, Deep MALA, Kiran Kumar DONIPARTHI, Venkata Krishna Rao BADARLA
  • PROCESS FOR PREPARATION OF APREMILAST AND ITS INTERMEDIATES
    Publication number: 20180334429
    Abstract: Present application relates to the process for the preparation of 1-(3-Ethoxy-4-methoxy-phenyl)-2-methanesulf-onyl-ethylamine of the formula (II), its resolution and its use in preparation of Apremilast of formula (I), process for the preparation of crystalline form B of apremilast, process for preparation of amorphous form of apremilast and the crystalline form of (S)-1-(3-Eth-oxy-4-methoxy-phenyl)-2-methanesulfonyl-ethylamine of the formula (Va).
    Type: Application
    Filed: June 8, 2016
    Publication date: November 22, 2018
    Inventors: Sree Naga Venkata Lakshmi Vara Prasad VAKAMUDI, Syam Kumar Unniaran KUNHIMON, Soma Rani SARKAR, Babu IRENI, Amarnath Reddy LEKKALA, Gangadhara Chary RAPAKA, Srinivasa Rao MADARAPU, Ramesh Kumar NADGOUD, Sridhar CHAGANTI, Venkateswarlu MUVVA, Anna FRYSZKOWSKA, Martin FOX, Tamara Fanjul SOLARES, Vijay Kumar SHANGAPU, Nilesh HASTAK, Sunitha VYALA, Srininvasulu RANGINENI
  • Preparation of fingolimod and its salts
    Patent number: 9216943
    Abstract: The present application provide processes for the preparation of fingolimod and its pharmaceutically acceptable salts, process for the purification of fingolimod hydrochloride and process for the preparation of amorphous fingolimod hydrochloride.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: December 22, 2015
    Assignee: DR. REDDY'S LABORATORIES LTD.
    Inventors: Srinivas Katkam, Rajeswar Reddy Sagyam, Raghavendar Rao Morthala, Babu Ireni, Krishna Vinigari, Suresh Kumar Ramdoss, Srinivasulu Rangineni, Arjunkumar Tummala, Javed Iqbal, Srinivas Oruganti, Bhaskar Kandagatla
  • Processes for the preparation of sitagliptin and pharmaceutically acceptable salts thereof
    Patent number: 8969558
    Abstract: There is provided a process for preparation of sitagliptin of Formula II or a pharmaceutically acceptable salt thereof by deprotection of Formula IX.
    Type: Grant
    Filed: December 5, 2013
    Date of Patent: March 3, 2015
    Assignee: Dr. Reddy's Laboratories Limited
    Inventors: Pratap Reddy Padi, Babu Ireni, Srinivas Polavarapu, Shailaja Padamata, Kavitha Nerella, Vijaya Anand Ramasamy, Ranga Reddy Vangala
  • PREPARATION OF FINGOLIMOD AND ITS SALTS
    Publication number: 20140235895
    Abstract: The present application provide processes for the preparation of fingolimod and its pharmaceutically acceptable salts, process for the purification of fingolimod hydrochloride and process for the preparation of amorphous fingolimod hydrochloride.
    Type: Application
    Filed: April 27, 2012
    Publication date: August 21, 2014
    Applicant: DR. REDDY'S LABORATORIES LTD.
    Inventors: Srinivas Katkam, Rajeswar Reddy Sagyam, Raghavendar Rao Morthala, Babu Ireni, Krishna Vinigari, Suresh Kumar Ramdoss, Srinivasulu Rangineni, Arjunkumar Tummala, Javed Iqbal, Srinivas Oruganti, Bhaskar Kandagatla
  • PROCESSES FOR THE PREPARATION OF SITAGLIPTIN AND PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF
    Publication number: 20140128607
    Abstract: There is provided salts and polymorphs of sitagliptin, processes for the preparation thereof, and pharmaceutical compositions comprising the same.
    Type: Application
    Filed: December 5, 2013
    Publication date: May 8, 2014
    Applicants: Dr. Reddy's Laboratories, Inc., Dr. Reddy's Laboratories Limited
    Inventors: Pratap Reddy Padi, Babu Ireni, Srinivas Polavarapu, Shailaja Padamata, Kavitha Nerella, Vijaya Anand Ramasamy, Ranga Reddy Vangala
  • Processes for the preparation of sitagliptin and pharmaceutically acceptable salts thereof
    Patent number: 8309724
    Abstract: There is provided an improved process for the preparation of Sitagliptin of Formula II by reduction of compound of Formula VIII to Formula IX followed by deprotection of Formula IX to afford Sitagliptin of Formula II.
    Type: Grant
    Filed: December 18, 2008
    Date of Patent: November 13, 2012
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Incorporated
    Inventors: Pratap Reddy Padi, Babu Ireni, Srinivas Polavarapu, Shailaja Padamata, Kavitha Nerella, Vijaya Anand Ramasamy, Ranga Reddy Vangala
  • PREPARATION OF VALGANCICLOVIR AND ITS SALTS
    Publication number: 20110207931
    Abstract: The application relates to processes for preparing valganciclovir and pharmaceutically acceptable salts thereof, as well as intermediates for the processes. valganciclovir hydrochloride is represented by Formula II.
    Type: Application
    Filed: February 22, 2011
    Publication date: August 25, 2011
    Inventors: Srinivas Katkam, Rajeswar Reddy Sagyam, Madhusudhan Reddy Ganta, Babu Ireni, Srihari Babu Korrothu, Raghavendar Rao Morthala, Narsimha Rao Pagadala, Veera Venkata Satyanarayana Murthy Kondepudi
  • PROCESSES FOR THE PREPARATION OF SITAGLIPTIN AND PHARMACEUTICLLY ACCEPTABLE SALTS THEREOF
    Publication number: 20100274017
    Abstract: There is provided salts and polymorphs of sitagliptin, processes for the preparation thereof, and pharmaceutical compositions comprising the same.
    Type: Application
    Filed: December 18, 2008
    Publication date: October 28, 2010
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Pratap Reddy Padi, Babu Ireni, Srinivas Polavarapu, Shailaja Padamata, Kavitha Nerella, Vijaya Anand Ramasamy, Ranga Reddy Vangala
  • PROCESSES FOR THE PREPARATION OF PRASUGREL , AND ITS SALTS AND POLYMORPHS
    Publication number: 20100261908
    Abstract: Processes for the preparation of prasugrel and its pharmaceutically acceptable salts thereof. Also disclosed are polymorphic forms of prasugrel hydrochloride and processes for their preparation.
    Type: Application
    Filed: November 7, 2008
    Publication date: October 14, 2010
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Pratap Reddy Padi, Seetha Rama Sarma Peri, Madhusudhan Reddy Ganta, Srinivas Polavarapu, Praveen Cherukupally, Babu Ireni, Shailaja Padamata, Krishna Jonnada, Krishna Vinigari, Kavitha Nerella
  • Process for the preparation of monoketals of 1,4-cyclohexanedione including 1, 4-cyclohexanedione mono-2,2-dimethyl trimethylene ketal
    Patent number: 7049448
    Abstract: There is provided a process for preparation of a monoketal compound of the structure that includes reacting 1,4-cyclohexanedione of the structure with a diol of the structure in a halogenated organic solvent in the presence of an acid catalyst, wherein X is a substituted or unsubstituted ethylene or propylene. Various embodiments and variants are provided.
    Type: Grant
    Filed: September 15, 2003
    Date of Patent: May 23, 2006
    Assignees: Dr. Reddy's Laboratories Limited, Dr. Reddy's Laboratories, Inc.
    Inventors: Buchi Reddy Reguri, Rajasekhar Kadaboina, Srinivas Reddy Gade, Babu Ireni
  • Process for the preparation of phenethylamine derivative, an intermediate of Venlafaxine hydrochloride
    Publication number: 20050033088
    Abstract: The present invention relates to an improved process for the preparation of phenethylamine derivatives or salts by hydrogenation of phenylacetonitriles in the presence of heterogeneous palladium on carbon catalyst.
    Type: Application
    Filed: June 7, 2004
    Publication date: February 10, 2005
    Inventors: Buchi Reguri, Rajasekhar Kadaboina, Srinivas Gade, Babu Ireni
  • Crystalline form C of omeprazole sodium and the related process of its preparation, a crystalline form D of omeprazole sodium and the related process of its preparation, and a process for preparation of crystalline form a of omeprazole sodium
    Publication number: 20040224987
    Abstract: The present invention is directed to a crystalline Form C of omeprazole sodium and the related process of its preparation, a crystalline Form D of omeprazole sodium and the related process of its preparation, and a process for preparation of crystalline Form A of omeprazole sodium.
    Type: Application
    Filed: March 12, 2004
    Publication date: November 11, 2004
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Manne Satyanarayana Reddy, Sajja Eswaraiah, Vetukuri Venkata Naga Kali Vara Prasada Raju, Rapolu Rajesh Kumar, Kandala Sreenadhacharyulu, Ganta Madhusudan Reddy, Boligoddu Vijayabhaskar, Buchi Reddy Reguri, Rajasekhar Kadaboina, Srinivas Reddy Gade, Babu Ireni