Patents by Inventor Ponnaiah Ravi

Ponnaiah Ravi 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 aripiprazole lauroxil
    Patent number: 10815216
    Abstract: The present invention relates to an improved process for the preparation of Aripiprazole Lauroxil of Formula (I).
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: October 27, 2020
    Assignee: NEULAND PHARMA RESEARCH PRIVATE LIMITED
    Inventors: Ponnaiah Ravi, Neela Praveen Kumar, Batthini Guruswamy, Krishnaiah Pendem, Satya Nagendra Kumar Lakkadasu, Mahesh Gattikoppula
  • PROCESS FOR PREPARATION OF SUGAMMADEX SODIUM
    Publication number: 20200109219
    Abstract: An improved process for the preparation of Sugammadex sodium and its purification process thereof is provided.
    Type: Application
    Filed: April 6, 2018
    Publication date: April 9, 2020
    Inventors: Ponnaiah Ravi, Yamma Ayyan Krishna Kumar Moorthi, Batthini Guruswamy, Ponnoju Vijay Bhaskar, Arutla Srividya, Uppala Manikya Rao, Girish Arvind KAVISHWAR, Anil Kumar SONI, Satishbhai MORE, Medida Venkata Rama Chandra MURTHY, Patnala Sriramachandra MURTHY
  • IMPROVED PROCESS FOR THE PREPARATION OF ARIPIPRAZOLE LAUROXIL
    Publication number: 20200017463
    Abstract: The present invention relates to an improved process for the preparation of Aripiprazole Lauroxil of Formula (I).
    Type: Application
    Filed: October 27, 2017
    Publication date: January 16, 2020
    Inventors: Ponnaiah Ravi, Neela Praveen Kumar, Batthini Guruswamy, Krishnaiah Pendem, Satya Nagendra Kumar Lakkadasu, Mahesh Gattikoppula
  • Process for preparation of sugammadex sodium
    Patent number: 9879096
    Abstract: The present invention provides a process for the preparation of sugammadex sodium involving the step of: reacting 6-perdeoxy-6-per-halo-gamma-cyclodextrin with 3-mercapto propionic acid in the presence of alkali metal alkoxide in an organic solvents. The invention also provides a process for purifying the sugammadex or its pharmaceutically acceptable salts using water and organic solvents.
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: January 30, 2018
    Assignee: NEULAND LABORATORIES LIMITED
    Inventors: Ponnaiah Ravi, Praveenkumar Neela, Batthini Guruswamy, Sribhashyam Ravikanth, Uppala Manikya Rao
  • Process for preparation of indacaterol or its pharmaceutically acceptable salts
    Patent number: 9682935
    Abstract: A novel process the for preparation of Indacaterol or its pharmaceutically acceptable salts and novel intermediates employed in the preparation thereof that is economically significant for large scale.
    Type: Grant
    Filed: December 27, 2014
    Date of Patent: June 20, 2017
    Inventors: Ponnaiah Ravi, Praveen Kumar Neela, Guruswamy Batthini, Narayana Venugopalarao, Naresh Dongari
  • Process for the preparation of olanzapine pamoate
    Patent number: 9604995
    Abstract: An improved process for preparation of Olanzapine pamoate monohydrate from Olanzpaine is disclosed which comprises mixing at room temperature a solution of olanzapine prepared in water in presence of an acid, with a solution of pamoic acid prepared in water in presence of a base; stirring and maintaining the reaction mixture for a sufficient time till precipitation of solid and drying the solid to obtain olazapine pamoate monohydrate.
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: March 28, 2017
    Assignee: NEULAND LABORATORIES LIMITED
    Inventors: Ponnaiah Ravi, Praveenkumar Neela, Kashyap Ravindrabhai Wadekar, Kubireddy Vigneshwar Reddy, Sampath Kumar Laxmalla
  • An Improved Process for Preparation of Sugammadex Sodium
    Publication number: 20160009827
    Abstract: The present invention provides a process for the preparation of sugammadex sodium involving the step of: reacting 6-perdeoxy-6-per-halo-gamma-cyclodextrin with 3-mercapto propionic acid in the presence of alkali metal alkoxide in an organic solvents. The invention also provides a process for purifying the sugammadex or its pharmaceutically acceptable salts using water and organic solvents.
    Type: Application
    Filed: April 8, 2013
    Publication date: January 14, 2016
    Inventors: Ponnaiah RAVI, Praveenkumar NEELA, Batthini Ravindrabhai GURUSWAMY, Sribhashyam RAVIKANTH, Uppala Manikya RAO
  • Process for Preparation of Olanzapine Pamoate
    Publication number: 20160002258
    Abstract: An improved process for preparation of Olanzapine pamoate monohydrate from Olanzpaine is disclosed which comprises mixing at room temperature a solution of olanzapine prepared in water in presence of an acid, with a solution of pamoic acid prepared in water in presence of a base; stirring and maintaining the reaction mixture for a sufficient time till precipitation of solid and drying the solid to obtain olazapine pamoate monohydrate.
    Type: Application
    Filed: April 8, 2013
    Publication date: January 7, 2016
    Inventors: Ponnaiah RAVI, Praveenkumar NEELA, Kashyap Ravindrabhai WADEKAR, Kubireddy Vigneshwar REDDY, Sampath Kumar LAXMALLA
  • NOVEL PROCESS FOR SYNTHESIS OF ITOPRIDE AND ITS NOVEL INTERMEDIATE N-(4-HYDROXYBENZYL)- 3,4-DIMETHOXYBENZAMIDE
    Publication number: 20090177008
    Abstract: The present invention relates to a novel and improved process for the preparation of N-[4-[2-(dimethylamino)ethoxy]benzyl]-3,4-dimethoxybenzamide—known as Itopride, via a novel intermediate N-(4˜hydroxybenzyl)-3,4-dimethoxybenzamide.
    Type: Application
    Filed: December 28, 2006
    Publication date: July 9, 2009
    Applicant: CADILA PHARMACEUTICALS LTD.
    Inventors: Bakulesh Mafatlal Khamar, Indravadan Ambalal Modi, Jayaraman Venkatraman, Ponnaiah Ravi, Divakara Somayajulu Nori, Madhusudana Rao Gajula, Gurusamy Renugadevi, Kunjaru N. Shashikala, Santosh M. Rudramuni