Patents by Inventor Guruswamy Batthini

Guruswamy Batthini 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 lifitegrast
    Patent number: 11345683
    Abstract: The present invention provides dibenzylamine salt of Lifitegrast (XV), and diphenylamine salt of Lifitegrast (XVI) and the use of the above salts in the purification process of Lifitegrast (I). The present invention relates to a process for the preparation of Lifitegrast (I).
    Type: Grant
    Filed: April 1, 2019
    Date of Patent: May 31, 2022
    Assignee: Aurobindo Pharma Ltd
    Inventors: Praveen Kumar Neela, Guruswamy Batthini, Vijay Kumar Gupta Gangisetty, Ravikanth Dupud, Srikanth Sai Alur, Sivakumaran Meenakshisunderam
  • A PROCESS FOR THE PREPARATION OF LIFITEGRAST
    Publication number: 20210032226
    Abstract: The present invention provides dibenzylamine salt of Lifitegrast (XV), and diphenylamine salt of Lifitegrast (XVI) and the use of the above salts in the purification process of Lifitegrast (I). The present invention relates to a process for the preparation of Lifitegrast (I).
    Type: Application
    Filed: April 1, 2019
    Publication date: February 4, 2021
    Inventors: Praveen Kumar NEELA, Guruswamy BATTHINI, Vijay Kumar Gupta GANGISETTY, Ravikanth DUPUD, Srikanth Sai ALUR, Sivakumaran MEENAKSHISUNDERAM
  • A PROCESS FOR THE PREPARATION OF CARIPRAZINE HYDROCHLORIDE
    Publication number: 20200375983
    Abstract: The present invention is directed towards a process for the preparation of Cariprazine (Ia) or a pharmaceutically acceptable salt thereof, wherein, N,N-dimethyl-1H-imidazole-1-carboxamide alkyl halide (VII) is reacted with trans-4-(2-(4-(2,3-dichlorophenyl)piperazin-1-yl)ethyl)cyclohexanamine or a salt thereof (IIa) to produce Cariprazine (Ia) or a pharmaceutically acceptable salt thereof. The present invention is also directed towards amorphous form of Cariprazine hydrochloride (I) and solid dispersion of Cariprazine hydrochloride (I), and its preparation thereof.
    Type: Application
    Filed: November 21, 2018
    Publication date: December 3, 2020
    Applicant: Aurobindo Pharma Ltd
    Inventors: Praveen Kumar NEELA, Guruswamy BATTHINI, Sampath Kumar SANKINENI, Hariprasad Reddy BINGI, Raghavender Reddy MADDI, Sivakumaran MEENAKSHISUNDERAM
  • 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 (R)-N-benzyl-2-acetamido-3-methoxypropionamide
    Patent number: 9199916
    Abstract: The invention is a novel process for the preparation of lacosamide by employing novel intermediates of formula III and IV:
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: December 1, 2015
    Assignee: RAMAMOHAN RAO DAVULURI
    Inventors: Ramamohan Rao Davuluri, Guruswamy Batthini, Swetha Mustyala, Sudheer Kallepalli, Praveen Kumar Neela, Ravi Ponnaiah
  • Process for preparation of Sugammadex
    Patent number: 9120876
    Abstract: A novel process for the preparation of 6-perdeoxy-6-per-halo Gamma cyclodextrin which is a useful intermediate in the synthesis of Sugammadex is disclosed in the invention. The process involves reacting Gamma cyclodextrin with phosphorous halide in the presence of organic solvent.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: September 1, 2015
    Inventors: Ramamohan Rao Davuluri, Ravi Ponnaiah, Ravi Kanth Sribhashyam, Nandkumar Mecherili Valsan, Naresh Dongari, Prasad Chlnv, Guruswamy Batthini
  • Preparation of 3-[2-[4-((6-fluoro-1, 2-benzisoxazol-3-yl)-l-piperidinyl)-6, 7, 8, 9-tetrahydor-9-hydroxy-2-methyl-4H-pyrido[ 1, 2-A]-pyrimidin-4-one(paliperidone) and paliperidone palmitate
    Patent number: 8940749
    Abstract: An improved process for the synthesis of 3-[2-[4-((6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]-pyrimidin-4-one (Paliperidone) and Paliperidone Palmitate through a novel intermediate (2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-9-hydroxy-4H-pyrido [1,2-a]pyrimidine-4-one Palmitate ester.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: January 27, 2015
    Inventors: Ramamohan Rao Davuluri, Ravi Ponnaiah, Praveen Kumar Neela, Guruswamy Batthini, Telagareddy Venkata Narasimharao, Kosireddy Ravanababu, Kallepally Sudheer
  • PROCESS FOR PREPARATION OF SUGAMMADEX
    Publication number: 20140221641
    Abstract: A novel process for the preparation of 6-perdeoxy-6-per-halo Gamma cyclodextrin which is a useful intermediate in the synthesis of Suggamadex is disclosed in the invention. The process involves by reacting Gamma cyclodextrin with phosphorous halide in presence of organic solvent.
    Type: Application
    Filed: August 23, 2011
    Publication date: August 7, 2014
    Inventors: Ramamohan Rao Davuluri, Ravi Ponnaiah, Ravi Kanth Sribhashyam, Nandkumar Mecherili Valsan, Naresh Dongari, Prasad Chlnv, Guruswamy Batthini
  • PREPARATION OF 3-[2-[4-((6-FLUORO-1, 2-BENZISOXAZOL-3-YL)-L-PIPERIDINYL)-6, 7, 8, 9-TETRAHYDRO-9-HYDROXY-2-METHYL-4H-PYRIDO[ 1, 2-A]-PYRIMIDIN-4-ONE (PALIPERIDONE) AND PALIPERIDONE PALMITATE.
    Publication number: 20140073787
    Abstract: An improved process for the synthesis of 3-[2-[4-((6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]-pyrimidin-4-one (Paliperidone) and Paliperidone Palmitate through a novel intermediate (2-Chloroethyl)-6,7,8,9-tetrahydro-2-methyl-9-hydroxy-4H-pyrido [1,2-a]pyrimidine-4-one Palmitate ester.
    Type: Application
    Filed: May 30, 2012
    Publication date: March 13, 2014
    Inventors: Ramamohan Rao Davuluri, Ravi Ponnaiah, Praveen Kumar Neela, Guruswamy Batthini, Telagareddy Venkata Narasimharao, Kosireddy Ravanababu, Kallepally Sudheer