Patents by Inventor Srinivasu Kilaru

Srinivasu Kilaru 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).

  • Salts of nilotinib and polymorphs thereof
    Patent number: 10138221
    Abstract: The present invention provides novel salts of nilotinib and polymorphs thereof. The acid addition salts of nilotinib with benzenesulfonic acid, butanedisulfonic acid, 1-5-naphthalenedisulfonic acid, naphthalene-1-sulfonic acid and 1-hydroxynaph-thoic acid; hydrates and anhydrates thereof.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: November 27, 2018
    Assignee: Sun Pharmaceutical Industries Limited
    Inventors: Rajamannar Thennati, Srinivasu Kilaru, Macwan Valance Surendrakumar, Dwivedi Shriprakash Dhar
  • NOVEL SALTS OF NILOTINIB AND POLYMORPHS THEREOF
    Publication number: 20170233372
    Abstract: The present invention provides novel salts of nilotinib and polymorphs thereof. The acid addition salts of nilotinib with benzenesulfonic acid, butanedisulfonic acid, 1-5-naphthalenedisulfonic acid, naphthalene-1-sulfonic acid and 1-hydroxynaph-thoic acid; hydrates and anhydrates thereof.
    Type: Application
    Filed: August 10, 2015
    Publication date: August 17, 2017
    Applicant: Sun Pharmaceutical Industries Limited
    Inventors: Rajamannar THENNATI, Srinivasu KILARU, Macwan VALANCE SURENDRAKUMAR, Dwivedi SHRIPRAKASH DHAR
  • Process for the preparation of morphinane analogues
    Patent number: 8710226
    Abstract: The present invention relates to an improved process for preparing morphinane analogues of formula 1 wherein the substituents R1, R2, R2a, R3, R4, R5 and Y have the meanings as defined in the specifications.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: April 29, 2014
    Assignee: Sun Pharmaceutical Industries Limited
    Inventors: Nileshkumar Sureshbhai Patel, Srinivasu Kilaru, Rajamannar Thennati
  • PROCESS FOR THE PREPARATION OF MORPHINANE ANALOGUES
    Publication number: 20140031550
    Abstract: The present invention relates to an improved process for preparing morphinane analogues of formula 1 wherein the substituents R1, R2, R2a, R3, R4, R5 and Y have the meanings as defined in the specifications.
    Type: Application
    Filed: August 29, 2013
    Publication date: January 30, 2014
    Applicant: Sun Pharmaceutical Industries Ltd.
    Inventors: Nileshkumar Sureshbhai PATEL, Srinivasu KILARU, Rajamannar THENNATI
  • Process for the preparation of morphinane analogues
    Patent number: 8546572
    Abstract: The present invention relates to an improved process for preparing morphinane analogues of formula (1) wherein the substituents R1, R2, R3, R4, R5 and Y have the same meanings as defined in the specification.
    Type: Grant
    Filed: March 23, 2009
    Date of Patent: October 1, 2013
    Assignee: Sun Pharmaceutical Industries Limited
    Inventors: Nileshkumar Sureshbhai Patel, Srinivasu Kilaru, Rajamannar Thennati
  • PROCESS FOR THE PREPARATION OF MORPHINE ANALOGUES
    Publication number: 20110152527
    Abstract: The present invention relates to an improved process for preparing morphinane analogues of formula (1) wherein the substituents R1, R2, R2a, R3, R4, R5 and Y have the meanings as defined in the specifications.
    Type: Application
    Filed: March 23, 2009
    Publication date: June 23, 2011
    Inventors: Nileshkumar Sureshbhai Patel, Srinivasu Kilaru, Rajamannar Thennati
  • NOVEL PRODRUGS
    Publication number: 20100145057
    Abstract: The present invention describes novel prodrugs of formula (I) or their salts, process of preparation and uses thereof.
    Type: Application
    Filed: March 14, 2008
    Publication date: June 10, 2010
    Applicant: SUN PHARMA ADVANCED RESEARCH COMPANY LTD.
    Inventors: Rajamannar Thennati, Biswajit Samanta, Ranjan Kumar Pal, Srinivasu Kilaru, Jignesh Jivani, Savajibhai Anil Kumbhani, Jay Prakashchandra Adhyapak
  • Stable polymorphic forms of an anticonvulsant
    Patent number: 7667042
    Abstract: Stable polymorphic forms III, IV and substantially amorphous form of an anticonvulsant, tiagabine hydrochloride.
    Type: Grant
    Filed: December 24, 2004
    Date of Patent: February 23, 2010
    Assignee: Sun Pharma Advanced Research Company Ltd.
    Inventors: Muthukumaran Natarajan, Nileshkumar Sureshbhai Patel, Mehul Chandrakatbhai Bhatt, Srinivasu Kilaru, Rajamannar Thennati
  • STABLE AMORPHOUS FORM OF PEMETREXED DISODIUM
    Publication number: 20090181990
    Abstract: The present invention provides an amorphous form of pemetrexed disodium, a process for preparing the amorphous form of pemetrexed disodium, and a pharmaceutical composition that includes the amorphous form of pemetrexed disodium and a pharmaceutically acceptable excipient. The process for preparing the amorphous form of pemetrexed disodium includes dissolving pemetrexed disodium in a solvent, to obtain a solution, optionally filtering the solution, and recovering the amorphous form from the solution. The present invention provides for the use of the amorphous form of pemetrexed disodium in medical therapy and treatment.
    Type: Application
    Filed: December 22, 2008
    Publication date: July 16, 2009
    Inventors: Nileshkumar S. Patel, Srinivasu Kilaru, Rajamannar Thennati
  • Process for hydrogenolysis of [1-(3-dimethylamino)propyl)]-1-(4-fluorophenyl)-1,3-dihydro-5-halo-isobenzofuran acetamido-3-substituted-3-cephem-4-carboxylic acid
    Patent number: 7019153
    Abstract: The present invention provides a process for decreasing the content of [1-(3-dimethylamino)propyl)]-1-(4-fluorophenyl)-1,3-dihydro-5-halo-isobenzofuran, a compound of formula 1, wherein X is halogen, by converting to a compound of formula 3, comprising subjecting [1-(3-dimethylamino)propyl)]-1-(4-fluorophenyl)-1,3-dihydro-5-halo-isobenzofuran present as impurity in crude 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran carbonitrile to hydrogenolysis.
    Type: Grant
    Filed: June 8, 2004
    Date of Patent: March 28, 2006
    Assignee: Sun Pharmaceutical Industries Limited
    Inventors: Ashok Punju Borase, Nileshkumar Sureshbhai Patel, Srinivasu Kilaru, Rajamannar Thennati
  • Process for hydrogenolysis of [1-(3-dimethylamino)propyl)]-1-(4-fluorophenyl)-1,3-dihydro-5-halo-isobenzofuran acetamido]-3-substituted-3-cephem-4-carboxylic acid
    Publication number: 20050004380
    Abstract: The present invention provides a process for decreasing the content of [1-(3-dimethylamino)propyl)]-1-(4-fluorophenyl)-1,3-dihydro-5-halo-isobenzofuran, a compound of formula 1, wherein X is halogen, by converting to a compound of formula 3, comprising subjecting [1-(3-dimethylamino)propyl)]-1-(4-fluorophenyl)-1,3-dihydro-5-halo-isobenzofuran present as impurity in crude 1-[3-(dimethylamino)propyl]-1-(4-fluorophenyl)-1,3-dihydro-5-isobenzofuran carbonitrile to hydrogenolysis.
    Type: Application
    Filed: June 8, 2004
    Publication date: January 6, 2005
    Applicant: SUN PHARMACEUTICAL INDUSTRIES LIMITED
    Inventors: Ashok Borase, Nileshkumar Patel, Srinivasu Kilaru, Rajamannar Thennati