Patents by Inventor Surinder Kumar Arora

Surinder Kumar Arora 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 pure and stable crystalline Raltegravir potassium form 3
    Patent number: 10752618
    Abstract: The present invention provides improved, commercially viable and consistently reproducible processes for the preparation of pure and stable crystalline Raltegravir potassium Form 3 and pharmaceutical composition thereof.
    Type: Grant
    Filed: September 13, 2017
    Date of Patent: August 25, 2020
    Assignee: LUPIN LIMITED
    Inventors: Purna Chandra Ray, Samir Shanteshwar Shabade, Surinder Kumar Arora, D. Rajput Lalitkumar, B. Shivdavkar Radhakrishna, G. Varade Shantanu, D. Ausekar Govind, Girij Pal Singh, Shreyas Pandurang Deshmukh, Gaurav Amrut Patil
  • PROCESS FOR THE PREPARATION OF PURE AND STABLE CRYSTALLINE RALTEGRAVIR POTASSIUM FORM 3
    Publication number: 20190248773
    Abstract: The present invention provides improved, commercially viable and consistently reproducible processes for the preparation of pure and stable crystalline Raltegravir potassium Form 3 and pharmaceutical composition thereof.
    Type: Application
    Filed: September 13, 2017
    Publication date: August 15, 2019
    Inventors: Purna Chandra Ray, Samir Shanteshwar Shabade, Surinder Kumar Arora, D. Rajput Lalitkumar, B. Shivdavkar Radhakrishna, G. Varade Shantanu, D. Ausekar Govind, Girij Pal Singh, Shreyas Pandurang Deshmukh, Gaurav Amrut Patil
  • A MANUFACTURING PROCESS FOR AN IRON CONTAINING ADSORBENT
    Publication number: 20170259241
    Abstract: The present invention is directed towards a manufacturing method for an iron containing phosphate adsorbent. Said iron containing phosphate adsorbent is characterized by a PSD d(0.9) in the range of 20 ?m to 80 ?m, a BET active surface area less than 15 m2/gm and phosphate binding in the range of 35 to 60 mg/gm.
    Type: Application
    Filed: September 9, 2015
    Publication date: September 14, 2017
    Inventors: Gaurav KUMAR, Ashok Sopan YADAV, Nitesh Yashwant AMRUTKAR, Surinder Kumar ARORA, Radhakrishna SHIVDAVKAR, Purna Chandra RAY, Girij Pal SINGH
  • Novel Salts of Raltegravir
    Publication number: 20160185766
    Abstract: Provided herein are novel salts of raltegravir, viz., meglumine salt, erbumine salt, ammonium salt, tris salt and L-arginine salt of raltegravir and processes for their preparation.
    Type: Application
    Filed: September 16, 2015
    Publication date: June 30, 2016
    Inventors: Purna Chandra Ray, Ashok Sopanrao Yadav, Dnyaneshwar Tukaram Singare, Surinder Kumar Arora, Girij Pal Singh
  • STABLE AMORPHOUS RALTEGRAVIR POTASSIUM PREMIX AND PROCESS FOR THE PREPARATION THEREOF
    Publication number: 20150328215
    Abstract: The present invention relates to a stable amorphous Raltegravir potassium premix, method of making and pharmaceutical composition thereof.
    Type: Application
    Filed: January 25, 2013
    Publication date: November 19, 2015
    Inventors: Surinder Kumar ARORA, Dnyaneshwar Tukaram SINGARE, Amol Dattatreya GALANDE, Purna Chandra RAY, Dilip Gopalkrishna SAOJI, Makrand AVACHAT, Girij Pal SINGH
  • Salts of raltegravir
    Patent number: 9163009
    Abstract: The present invention provides novel salts of raltegravir, viz., meglumine salt, erbumine salt, ammonium salt, tris salt and L-arginine salt of raltegravir and processes for their preparation.
    Type: Grant
    Filed: April 4, 2012
    Date of Patent: October 20, 2015
    Assignee: Lupin Limited
    Inventors: Purna Chandra Ray, Ashok Sopanrao Yadav, Dnyaneshwar Tukaram Singare, Surinder Kumar Arora, Girij Pal Singh
  • Process for preparation of substantially pure fosamprenavir calcium and its intermediates
    Patent number: 9127029
    Abstract: The present invention relates to fosamprenavir calcium (Ia) substantially free of isomer impurity, (3R) tetrahydro-3-furanyl(1S,2R)-3-[[(4-aminophenyl)sulfonyl](isobutyl)amino]-1-benzyl-2-(phosphonooxy)propyl carbamate (Ib), and its process for preparation thereof. The present invention also provides fosamprenavir calcium intermediate, (S)-3-tetrahydrofuranyl-N-succinimidyl carbonate (IIa) substantially free of (R)-3-tetrahydrofuranylsuccinimidyl carbonate (IIb) and its process for preparation thereof.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: September 8, 2015
    Assignee: LUPIN LIMITED
    Inventors: Surinder Kumar Arora, Samir Shanteshwar Shabade, Gaurav Kumar, Purna Chandra Ray, Girij Pal Singh
  • Process for preparation of substantially pure fosamprenavir calcium and its intermediates
    Patent number: 8877947
    Abstract: The present invention relates to fosamprenavir calcium (Ia) substantially free of isomer impurity, (3R)tetrahydro-3-furanyl(1S,2R)-3-[[(4-aminophenyl)sulfonyl](isobutyl)amino]-1-benzyl-2-(phosphonooxy)propyl carbamate (Ib), and its process for preparation thereof. The present invention also provides fosamprenavir calcium intermediate, (S)-3-tetrahydrofuranyl-N-succinimidyl carbonate (IIa) substantially free of (R)-3-tetrahydrofuranylsuccinimidyl carbonate (IIb) and its process for preparation thereof.
    Type: Grant
    Filed: September 5, 2011
    Date of Patent: November 4, 2014
    Assignee: Lupin Limited
    Inventors: Surinder Kumar Arora, Samir Shanteshwar Shabade, Gaurav Kumar, Purna Chandra Ray, Girij Pal Singh
  • PROCESS FOR PREPARATION OF SUBSTANTIALLY PURE FOSAMPRENAVIR CALCIUM AND ITS INTERMEDIATES
    Publication number: 20140256959
    Abstract: The present invention relates to fosamprenavir calcium (Ia) substantially free of isomer impurity, (3R) tetrahydro-3-furanyl(1S,2R)-3-[[(4-aminophenyl)sulfonyl](isobutyl)amino]-1-benzyl-2-(phosphonooxy)propyl carbamate (Ib), and its process for preparation thereof. The present invention also provides fosamprenavir calcium intermediate, (S)-3-tetrahydrofuranyl-N-succinimidyl carbonate (IIa) substantially free of (R)-3-tetrahydrofuranylsuccinimidyl carbonate (IIb) and its process for preparation thereof.
    Type: Application
    Filed: May 23, 2014
    Publication date: September 11, 2014
    Applicant: LUPIN LIMITED
    Inventors: Surinder Kumar Arora, Samir Shanteshwar Shabade, Gaurav Kumar, Purna Chandra Ray, Girij Pal Singh
  • Novel Salts of Raltegravir
    Publication number: 20140155607
    Abstract: The present invention provides novel salts of raltegravir, viz., meglumine salt, erbumine salt, ammonium salt, tris salt and L-arginine salt of raltegravir and processes for their preparation.
    Type: Application
    Filed: April 4, 2012
    Publication date: June 5, 2014
    Applicant: LUPIN LIMITED
    Inventors: Purna Chandra Ray, Ashok Sopanrao Yadav, Dnyaneshwar Tukaram Singare, Surinder Kumar Arora, Girij Pal Singh
  • PROCESS FOR PREPARATION OF SUBSTANTIALLY PURE FOSAMPRENAVIR CALCIUM AND ITS INTERMEDIATES
    Publication number: 20130174651
    Abstract: The present invention relates to fosamprenavir calcium (Ia) substantially free of isomer impurity, (3R) tetrahydro -3 -furanyl(1S,2R)-3-[[(4-aminophenyl)sulfonyl](isobutyl)amino]-1-benzyl-2-(phosphonooxy)propyl carbamate (Ib), and its process for preparation thereof. The present invention also provides fosamprenavir calcium intermediate, (S)-3-tetrahydrofuranyl-N-succinimidyl carbonate (IIa) substantially free of (R)-3-tetrahydrofuranylsuccinimidyl carbonate (IIb) and its process for preparation thereof.
    Type: Application
    Filed: September 5, 2011
    Publication date: July 11, 2013
    Applicant: LUPIN LIMITED
    Inventors: Surinder Kumar Arora, Samir Shanteshwar Shabade, Gaurav Kumar, Purna Chandra Ray, Girij Pal Singh