Patents by Inventor Bhausaheb Chavhan

Bhausaheb Chavhan 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).

  • AN IMPROVED PROCESS FOR THE PREPARATION OF LINAGLIPTIN
    Publication number: 20150299200
    Abstract: The present invention relates to a process for preparing Linagliptin by purifying the intermediate compounds converting the purified intermediates into Linagliptin. The present invention also relates to the preparation of an amorphous Linagliptin.
    Type: Application
    Filed: December 16, 2013
    Publication date: October 22, 2015
    Applicant: MYLAN LABORATORIES LTD
    Inventors: Bhausaheb CHAVHAN, Jebaraj RATHINAPANDIAN, Shiva Kumar CHANDUPTLA, Nagaraji GHANDA
  • Process for the preparation of pure rabeprazole
    Patent number: 8247568
    Abstract: The present invention relates to a process for the preparation of pure Rabeprazole sulfoxide using the solvent mixture for the extraction steps and this invention further relates to the process for the preparation of amorphous Rabeprazole sodium using pure rabeprazole base in presence of aqueous NaOH and water miscible solvent and adding an anti-solvent.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: August 21, 2012
    Assignee: Matrix Laboratories Ltd
    Inventors: Om Dutt Tyagi, Purna Chandra Ray, Madhuresh Kumar Sethi, Bhausaheb Chavhan
  • POLYMORPHIC FORMS OF FLUVASTATIN SODIUM AND PROCESS FOR PREPARING THE SAME
    Publication number: 20110046396
    Abstract: Disclosed herein are novel polymorphic forms of Fluvastatin sodium, wherein said polymorphic forms are designated as JF, JF1, JF2, JF3 and are characterized by their powder X-ray diffraction patterns, Infrared absorption spectrums, thermo gravimetric analysis and differential scanning calorimetry. The processes for preparing said polymorphic forms are also disclosed. The present invention also relates to process for preparing amorphous form of Fluvastatin sodium.
    Type: Application
    Filed: August 6, 2010
    Publication date: February 24, 2011
    Applicant: JUBILANT ORGANOSYS LIMITED
    Inventors: Bhausaheb CHAVHAN, Arun Kumar AWASTHI, Richa AGGARWAL, Rani S. BEENA, Soumendu PAUL, Rajesh Kumar THAPER, Sushil Kumar DUBEY
  • Polymorphic forms of fluvastatin sodium and process for preparing the same
    Patent number: 7795451
    Abstract: Disclosed herein are novel polymorphic forms of Fluvastatin sodium, wherein said polymorphic forms are designated as JF, JF1, JF2, JF3 and are characterized by their powder X-ray diffraction patterns, Infrared absorption spectrums, thermo gravimetric analysis and differential scanning calorimetry. The processes for preparing said polymorphic forms are also disclosed. The present invention also relates to process for preparing amorphous form of Fluvastatin sodium.
    Type: Grant
    Filed: February 10, 2006
    Date of Patent: September 14, 2010
    Assignee: Jubilant Organosys Limited
    Inventors: Bhausaheb Chavhan, Arun Kumar Awasthi, Richa Aggarwal, Rani S. Beena, Soumendu Paul, Rajesh Kumar Thaper, Sushil Kumar Dubey
  • PROCESS FOR THE PREPARATION OF PURE RABEPRAZOLE
    Publication number: 20100190989
    Abstract: The present invention relates to a process for the preparation of pure Rabeprazole sulfoxide using the solvent mixture for the extraction steps and this invention further relates to the process for the preparation of amorphous Rabeprazole sodium using pure rabeprazole base in presence of aqueous NaOH and water miscible solvent and adding an anti-solvent.
    Type: Application
    Filed: June 19, 2008
    Publication date: July 29, 2010
    Applicant: MATRIX LABORATORIES LTD
    Inventors: Om Dutt Tyagi, Purna Chandra Ray, Madhuresh Kumar Sethi, Bhausaheb Chavhan
  • Novel Polymorphic Forms Of Fluvastatin Sodium And Process For Preparing The Same
    Publication number: 20080207919
    Abstract: Disclosed herein are novel polymorphic forms of Fluvastatin sodium, wherein said polymorphic forms are designated as JF, JF1, JF2, JF3 and are characterized by their powder X-ray diffraction patterns, Infrared absorption spectrums, thermo gravimetric analysis and differential scanning calorimetry. The processes for preparing said polymorphic forms are also disclosed. The present invention also relates to process for preparing amorphous form of Fluvastatin sodium.
    Type: Application
    Filed: February 10, 2006
    Publication date: August 28, 2008
    Applicant: Jubliant Organosys Limited
    Inventors: Bhausaheb Chavhan, Arun Kumar Awasthi, Richa Aggarwal, Rani S. Beena, Soumendu Paul, Rajesh Kumar Thaper, Sushil Kumar Dubey