Patents by Inventor Vamsee Krishna Muppidi

Vamsee Krishna Muppidi 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 separation of gallated epicatechins (EGCG and ECG) from green tea extract or green tea dust
    Patent number: 11420954
    Abstract: The present invention relates to an improved process for the separation of gallated epicatechins (EGCG & ECG) from green tea extract or green tea dust. The present invention specifically relates to an improved process for the separation of gallated epicatechins (EGCG & ECG) from green tea extract or green tea dust by forming hydrated gallated epicatechins (EGCG & ECG)-isonicotinic acid complex using isonicotinic acid as acid, organic solvents for liberating gallated epicatechins. The present invention more specifically relates to the process for the separation of gallated epicatechins (EGCG & ECG) from green tea extract or green tea dust, wherein processes comprises steps of dissolving, concentrating by centrifugation, adding, precipitating, filtering, slurrying, removing supernatant liquid, washing, extracting and freeze drying. The present invention also relates to hydrated gallated epicatechins (EGCG & ECG)-isonicotinic acid complex.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: August 23, 2022
    Assignee: Crystalmorphix Technologies Pvt. LTD
    Inventors: Vamsee Krishna Muppidi, Satyanarayana Chinta
  • PROCESS FOR THE SEPARATION OF GALLATED EPICATECHINS (EGCG & ECG) FROM GREEN TEA EXTRACT OR GREEN TEA DUST
    Publication number: 20210139446
    Abstract: The present invention relates to an improved process for the separation of gallated epicatechins (EGCG & ECG) from green tea extract or green tea dust. The present invention specifically relates to an improved process for the separation of gallated epicatechins (EGCG & ECG) from green tea extract or green tea dust by forming hydrated gallated epicatechins (EGCG & isonicotinic acid complex using isonicotinic acid as acid, organic solvents for liberating gallated epicatechins. The present invention more specifically relates to the process for the separation of gallated epicatechins (EGCG & ECG) from green tea extract or green tea dust, wherein processes comprises steps of dissolving, concentrating by centrifugation, adding, precipitating, filtering, slurrying, removing supernatant liquid, washing, extracting and freeze drying. The present invention also relates to hydrated gallated epicatechins (EGCG & ECG)-isonicotinic acid complex.
    Type: Application
    Filed: November 26, 2018
    Publication date: May 13, 2021
    Inventors: Vamsee Krishna Muppidi, Satyanarayana Chinta
  • Salts of sitagliptin, process from the preparation and pharmaceutical composition therefore
    Patent number: 9388113
    Abstract: The present invention relates to pharmaceutically acceptable acid addition salts of sitagliptin, in particular anti-oxidant acid addition salts of sitagliptin and a process for its preparation. The present invention also provides a pharmaceutical composition using the pharmaceutically acceptable acid addition salts of sitagliptin.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: July 12, 2016
    Assignee: Laurus Labs Private Limited
    Inventors: Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Vamsee Krishna Muppidi, Satyanarayana Chava
  • Salts of Sitagliptin, Process from the Preparation and Pharmaceutical Composition Therefore
    Publication number: 20160122274
    Abstract: The present invention relates to pharmaceutically acceptable acid addition salts of sitagliptin, in particular anti-oxidant acid addition salts of sitagliptin and a process for its preparation. The present invention also provides a pharmaceutical composition using the pharmaceutically acceptable acid addition salts of sitagliptin.
    Type: Application
    Filed: October 1, 2015
    Publication date: May 5, 2016
    Inventors: Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Vamsee Krishna Muppidi, Satyanarayana Chava
  • Salts of sitagliptin, process for the preparation and pharmaceutical composition therefore
    Patent number: 9181256
    Abstract: The present invention relates to pharmaceutically acceptable acid addition salts of sitagliptin, in particular anti-oxidant acid addition salts of sitagliptin and a process for its preparation. The present invention also provides a pharmaceutical composition using the pharmaceutically acceptable acid addition salts of sitagliptin.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: November 10, 2015
    Assignee: Laurus Labs Private Ltd.
    Inventors: Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Vamsee Krishna Muppidi, Satyanarayana Chava
  • NOVEL SALTS OF SITAGLIPTIN, PROCESS FOR THE PREPARATION AND PHARMACEUTICAL COMPOSITION THEREOF
    Publication number: 20140073791
    Abstract: The present invention relates to pharmaceutically acceptable acid addition salts of sitagliptin, in particular anti-oxidant acid addition salts of sitagliptin and a process for its preparation. The present invention also provides a pharmaceutical composition using the pharmaceutically acceptable acid addition salts of sitagliptin.
    Type: Application
    Filed: October 12, 2012
    Publication date: March 13, 2014
    Applicant: LAURUS LABS PRIVATE LIMITED
    Inventors: Venkata Sunil Kumar Indukuri, Seeta Ramanjaneyulu Gorantla, Vamsee Krishna Muppidi, Satyanarayana Chava
  • PROCESS FOR PREPARATION OF CELECOXIB CRYSTALLINE FORM
    Publication number: 20110213159
    Abstract: Celecoxib crystalline Form Ill substantially free of celecoxib crystalline Forms I and II and a process for its preparation.
    Type: Application
    Filed: February 28, 2011
    Publication date: September 1, 2011
    Inventors: Vamsee Krishna Muppidi, Srinivasulu Rangineni, Naga Kiran Duggirala, Srividya Ramakrishnan, Arjun Kumar Tummala