Patents by Inventor Venkata Narasayya SALADI

Venkata Narasayya SALADI 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).

  • POLYMORPHS OF 7-CYCLOPENTYL-N,N-DIMETHYL-2-{[5-(PIPERAZIN-1-YL) PYRIDIN-2-YL]-AMINO}-7H-PYRROLO[2,3-D]PYRIMIDINE-6-CARBOXAMIDE AND ITS PHARMACEUTICALLY ACCEPTABLE SALTS AND PROCESS FOR THE PREPARATION THEREOF
    Publication number: 20220204514
    Abstract: The present invention relates to novel crystalline forms of butanedioic acid 7-cyclopentyl-N,N-dimethyl-2-{[5-(piperazin-1-yl) pyridin-2-yl]amino}-7H-pyrrolo[2,3-d]pyrimidine-6-carboxamide of formula-la and process for preparation thereof. The present invention also relates to a process for the preparation of 7-cyclopentyl-N,N-dimethyl-2-{[5-(piperazin-1-yl)pyridin-2-yl]amino}-7H-pyrrolo[2,3-d] pyrimidine-6-carboxamide. Further, the present application also relates to acid addition salts of 7-cyclopentyl-N,N-dimethyl-2-{[5-(piperazin-1-yl)pyridin-2-yl]amino}-7H-pyrrolo[2,3-d] pyrimidine-6-carboxamide and process for the preparation thereof.
    Type: Application
    Filed: April 29, 2020
    Publication date: June 30, 2022
    Applicant: MSN LABORATORIES PRIVATE LIMITED, R&D CENTER
    Inventors: Thirumalai Rajan SRINIVASAN, Eswaraiah SAJJA, Satyanarayana REVU, Rajeshwar Reddy SAGYAM, Srinivasulu RANGINENI, Ravichandran SRINIVASAN, Venkata Narasayya SALADI, Naveen RAGAM
  • NOVEL CRYSTALLINE POLYMORPHS OF SODIUM (4R,12AS)-9-{[(2,4-DIFLUOROPHENYL) METHYL]CARBAMOYL}-4-METHYL-6,8-DIOXO-3,4,6,8,12,12A-HEXAHYDRO-2H-PYRIDO [1',2':4,5]PYRAZINO[2,1-B][1,3]OXAZIN-7-OLATE AND PROCESS FOR PREPARATION THEREOF
    Publication number: 20220112212
    Abstract: The present invention relates to novel crystalline polymorphs of sodium (4R,12aS)-9-{[(2,4-difluorophenyl) methyl] carbamoyl}-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1?,2?:4,5] pyrazino[2,1-b] [1,3] oxazin-7-olate represented by the following structural formula-1a and process for their preparation. The present invention further relates to novel solvated forms of sodium (4R,12aS)-9-{[(2,4-difluoro phenyl) methyl] carbamoyl}-4-methyl-6,8-dioxo-3,4,6,8,12,12a-hexahydro-2H-pyrido[1?,2?:4,5] pyrazino[2,1-b][1,3] oxazin-7-olate compound of formula-1a and process for their preparation.
    Type: Application
    Filed: February 4, 2020
    Publication date: April 14, 2022
    Applicant: MSN LABORATORIES PRIVATE LIMITED, R&D CENTER
    Inventors: Thirumalai Rajan SRINIVASAN, Eswaraiah SAJJA, Rajeshwar Reddy SAGYAM, Srinivasulu RAGINENI, Venkata Narasayya SALADI
  • SOLID FORMS OF IBRUTINIB
    Publication number: 20210002282
    Abstract: The present invention describes solvates of Ibrutinib and processes for their preparation, pharmaceutical compositions comprising these solvate forms. The present invention also describes co-crystal, obtained from Ibrutinib and a neutral conformer, where both are solids at room temperature, process for their preparation, pharmaceutical compositions comprising the co-crystals and the use of these solids forms for the treatment of Burton's tyrosine kinase (BTK) mediated diseases.
    Type: Application
    Filed: January 9, 2019
    Publication date: January 7, 2021
    Inventors: Shanmukha Prasad GOPI, Venkata Narasayya SALADI, Vishweshwar PEDDY, Rajeev Budhdev REHANI
  • POLYMORPHS OF BETRlXABAN & ITS MALEATE SALT
    Publication number: 20190300483
    Abstract: The present application relates to solid state forms of Betrixaban and its Maleate salt, and processes for preparation thereof.
    Type: Application
    Filed: May 31, 2017
    Publication date: October 3, 2019
    Applicant: Dr. Reddy's Laboratories Limited
    Inventors: Subba Reddy PEDDI REDDY, Venkata Narasayya SALADI, Vishweshwar PEDDY, Satarupa BHATTACHARJEE
  • AMORPHOUS FORMS OF DACLATASVIR DIHYDROCHLORIDE
    Publication number: 20160194352
    Abstract: The present application relates to the amorphous form of Daclatasvir dihydrochloride and the processes for the preparation thereof. The application further provides its solid dispersion having Daclatasvir dihydrochloride in amorphous form and process for its preparation.
    Type: Application
    Filed: January 5, 2016
    Publication date: July 7, 2016
    Inventors: Venkata Narasayya SALADI, Vishweshwar PEDDY