Patents by Inventor Srinivas Reddy Gade

Srinivas Reddy Gade 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).

  • NOVEL PROCESS FOR THE PREPARATION OF (S)-7-(1-ACRYLOYLPIPERIDIN-4-YL)-2-(4-PHENOXYPHENYL)-4,5,6,7-TETRAHYDROPYRAZOLO[1,5-A]PYRIMIDINE-3-CARBOXAMIDE OR ITS SALTS THEREOF
    Publication number: 20240018152
    Abstract: The present invention relates to a novel process for the preparation of (S)-7-(1-acryloylpiperidin-4-yl)-2-(4-phenoxyphenyl)-4, 5, 6, 7-tetrahydropyrazolo[1,5-a] pyrimidine-3-carboxamide of formula-1 or its salts. The present invention also relates to novel process for the preparation of intermediate compound of Formula-7 and recovery of the intermediate compound of Formula-12, which is used in the preparation of compound of Formula-7. The compounds of formula-1 & formula-7 are represented by following structural formulae.
    Type: Application
    Filed: November 15, 2022
    Publication date: January 18, 2024
    Applicant: MSN LABORATORIES PRIVATE LIMITED, R&D CENTER
    Inventors: Thirumalai Rajan SRINIVASAN, Eswaraiah SAJJA, Satyanarayana REVU, Srinivas Reddy GADE, Malla Reddy ADLA, Naveen RAGAM
  • PROCESS FOR PREPARATION OF PREGABALIN
    Publication number: 20140243412
    Abstract: Aspects of the present invention relate to improved process for preparation of (R)(?)-3-(carbamoylmethyl)-5-methylhexanoic acid (R-CMHA) of the formula (II) or its pharmaceutically acceptable salts in the presence of a lewis acid, process for preparation of pregabalin using R-CMHA of the formula (II) or its pharmaceutically acceptable salts prepared according to the present invention and process for preparation of pregabalin with low amount of undesired impurity.
    Type: Application
    Filed: February 27, 2014
    Publication date: August 28, 2014
    Applicant: Dr. Reddy's Laboratories Ltd.
    Inventors: Srinivas GANGULA, Uday Kumar NEELAM, Krishna VINIGARI, Vilas Hareshwar DAHANUKAR, Syam Kumar Unniaran KUNHIMON, Srinivas Reddy GADE
  • O-DESMETHYLVENLAFAXINE
    Publication number: 20100210719
    Abstract: Processes for preparing desvenlafaxine and stable amorphous O-desmethylvenlafaxine succinate solid dispersions with one or more pharmaceutically acceptable carriers.
    Type: Application
    Filed: July 10, 2008
    Publication date: August 19, 2010
    Applicants: DR. REDDY'S LABORATORIES LTD., DR. REDDY'S LABORATORIES, INC.
    Inventors: Surya Narayana Devarakonda, Sesha Reddy Yarraguntla, Venu Nalivela, Ram Thaimattam, Subbareddy Peddireddy, Balaji Raghupati, Mohammed Azeezulla Baig, Srinivas Reddy Gade, Srinivas Reddy Mallepalli, Vijaywardhan Chitta, Satyanarayana Bollikonda, Saravanan Mohanarangam, Rajasekhar Kadaboina
  • PROCESS FOR THE PREPARATION OF CARVEDILOL DIHYDROGEN PHOSPHATE HEMIHYDRATE AND PHARMACEUTICAL COMPOSITIONS THEREOF
    Publication number: 20090111998
    Abstract: There is provided processes for preparing carvedilol dihydrogen phosphate hemihydrate, which processes include at least one of the steps of: (a) providing a solution of carvedilol in a mixture of organic solvent (s) and/or water; (b) adding a phosphonating agent to the reaction mixture of step (a); and (c) further processing to obtain carvedilol dihydrogen phosphate hemihydrate. There is also provided pharmaceutical compositions comprising carvedilol dihydrogen phosphate hemihydrate and processes for their preparation.
    Type: Application
    Filed: October 24, 2008
    Publication date: April 30, 2009
    Inventors: Srinivas Reddy Gade, Srinivas Reddy Mallepalli
  • PROCESS FOR PREPARING AMLODIPINE
    Publication number: 20070260065
    Abstract: A process for preparing phthalimidoamlodipine, which is useful as an intermediate for the preparation of amlodipine and its salts.
    Type: Application
    Filed: April 30, 2007
    Publication date: November 8, 2007
    Inventors: Vijayabhaskar Bolugoddu, Jaydeepkumar Lilakar Dahyabhai, Ramachandra Reddy Pingili, Madhu Raju Veeraboina, Srinivas Reddy Gade, Srinivas Reddy Mallepalli, Ravindranath Tagore Amirisetty
  • 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 monoketals of 1,4-cyclohexanedione including 1, 4-cyclohexanedione mono-2,2-dimethyl trimethylene ketal
    Publication number: 20040230063
    Abstract: There is provided a process for preparation of a monoketal compound of the structure 1
    Type: Application
    Filed: September 15, 2003
    Publication date: November 18, 2004
    Applicants: DR. REDDY'S LABORATORIES LIMITED, DR. REDDY'S LABORATORIES, INC.
    Inventors: Buchi Reddy Reguri, Rajasekhar Kadaboina, Srinivas Reddy Gade, Babu I. 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