Patents by Inventor Jagan Mohana Chary Tummanapally

Jagan Mohana Chary Tummanapally 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 O-desmethylvenlafaxine succinate polymorphic forms
    Patent number: 8329952
    Abstract: The present invention relates to process for the preparation of novel crystalline Desmethylvenlafaxine succinate polymorphic Forms-A, B. The present invention also relates to novel processes for the preparation of 0-Desmethylvenlafaxine succinate polymorphic Forms-(I), (II), (III) and amorphous.
    Type: Grant
    Filed: July 15, 2008
    Date of Patent: December 11, 2012
    Assignee: Matrix Laboratories Limited
    Inventors: Ramakoteswara Rao Jetti, Purandhar Koilkonda, Jagan Mohana Chary Tummanapally, Mohana Vamsi Krishna Vadlamudi, Prasanth Kumar Barik, Om Dutt Tyagi
  • Process for producing 1-[2-(dimethylamino)-1-(4-phenol)ethyl]cyclohexanol
    Patent number: 8304578
    Abstract: The present invention relates to an improved, process for large scale production of 1-[2-(dimethylamino)-1-(4-phenol)ethyl]cyclohexanol (O-desmethylvenlafaxine) or its pharmaceutically acceptable salts with increased yield and minimal impurities.
    Type: Grant
    Filed: December 26, 2008
    Date of Patent: November 6, 2012
    Assignee: Matrix Laboratories Limited
    Inventors: Om Dutt Tyagi, Saswata Lahiri, Purandhar Koilkonda, Jagan Mohana Chary Tummanapally, Mohan Vamsi Krishna Vadlamudi, Venkata Bala Kishore Sarma Inupakutika, Surya Nageswara Rao Achanta
  • PROCESS FOR PRODUCING 1-[2-(DIMETHYLAMINO)-1-(4-PHENOL)ETHYL]CYCLOHEXANOL
    Publication number: 20100286447
    Abstract: The present invention relates to an improved, process for large scale production of 1-[2-(dimethylamino)-1-(4-phenol)ethyl]cyclohexanol (O-desmethylvenlafaxine) or its pharmaceutically acceptable salts with increased yield and minimal impurities.
    Type: Application
    Filed: December 26, 2008
    Publication date: November 11, 2010
    Applicant: MATRIX LABORATORIES LIMITED
    Inventors: Om Dutt Tyagi, Saswata Lahiri, Purandhar Koilkonda, Jagan Mohana Chary Tummanapally, Mohan Vamsi Krishna Vadlamudi, Venkata Bala Kishore Sarma Inupakutika, Surya Nageswara Rao Achanta
  • PROCESS FOR THE PREPARATION OF O-DESMETHYLVENLAFAXINE SUCCINATE POLYMORPHIC FORMS
    Publication number: 20100191015
    Abstract: The present invention relates to process for the preparation of novel crystalline Desmethylvenlafaxine succinate polymorphic Forms-A, B. The present invention also relates to novel processes for the preparation of 0-Desmethylvenlafaxine succinate polymorphic Forms-(I), (II), (III) and amorphous.
    Type: Application
    Filed: July 15, 2008
    Publication date: July 29, 2010
    Applicant: MATRIX LABORATORIES LIMITED
    Inventors: Ramakoteswara Rao Jetti, Purandhar Koilkonda, Jagan Mohana Chary Tummanapally, Mohana Vamsi, Krishna Vadlamudi, Prasanth Kumar Barik, Om Dutt Tyagi