Patents by Inventor Manjunath Narayan Bhanu

Manjunath Narayan Bhanu 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).

  • Stable R(+)-lansoprazole amine salt and a process for preparing the same
    Patent number: 8362042
    Abstract: A stable R-(+)-lansoprazole alkylamine salt and a process for preparing the salt.
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: January 29, 2013
    Assignee: Watson Pharma Private Limited
    Inventors: Manjunath Narayan Bhanu, Samir Naik, Arjun Bodkhe
  • PROCESSES FOR THE PREPARATION OF SEVELAMER CARBONATE
    Publication number: 20120088886
    Abstract: Processes for preparing Sevelamer Hydrochloride and Sevelamer Carbonate are described.
    Type: Application
    Filed: June 16, 2010
    Publication date: April 12, 2012
    Applicant: WATSON PHARMA PRIVATE LIMITED
    Inventors: Ravindra Krishnarao Burde, Ashutosh Joshi, Manjunath Narayan Bhanu
  • PROCESS FOR THE PREPARATION OF RAMELTEON
    Publication number: 20110207949
    Abstract: Disclosed herein is a process for resolving N-[2-(1,6,7,8-tetrahydro-2H-indeno [5,4-b] furan-8-yl)] ethylamine into its isomers using an optically active acid and a process for preparing ramelteon from the resolved isomer.
    Type: Application
    Filed: November 12, 2009
    Publication date: August 25, 2011
    Applicant: WATSON PHARMA PRIVATE LIMITED
    Inventors: Manjunath Narayan Bhanu, Chandrasekhar Sinha, Bhupesh Aher, Amol Bandal, Atul Parab
  • PROCESS FOR THE PREPARATION OF 1- ( 3-HYDROXYMETHYLPYRID-2 -YL ) -2 -PHENYL-4-METHYLPIPERAZINE AND MIRTAZAPINE
    Publication number: 20110201804
    Abstract: Disclosed herein is a process for the manufacture of mirtazapine and intermediates useful in preparing mirtazapine which includes the reduction of 1-(3-carboxypyridyl-2)-4-methyl-2-phenylpiperazine with an organoaluminum hydride.
    Type: Application
    Filed: October 20, 2009
    Publication date: August 18, 2011
    Applicant: WATSON PHARMA PRIVATE LIMITED
    Inventors: Manjunath Narayan Bhanu, Samir Naik, Prashant Joshi, Vijay Sharma
  • Process for Preparation of Darifenacin and Intermediates Used in the Process
    Publication number: 20110144354
    Abstract: Disclosed herein is a process for the preparation of darifenacin and physiologically acceptable salts thereof. Also disclosed is a compound of formula X: wherein R is linear or branched C1-10 alkyl, phenyl, tolyl, ortho-, meta- or para-xylyl which is useful as a intermediate in the preparation of darifenacin.
    Type: Application
    Filed: September 21, 2009
    Publication date: June 16, 2011
    Applicant: WATSON PHARMA PRIVATE LIMITED
    Inventors: Manjunath Narayan Bhanu, Samir Naik, Arjun Bodkhe, Amit Soni
  • STABLE R(+)-LANSOPRAZOLE AMINE SALT AND A PROCESS FOR PREPARING THE SAME
    Publication number: 20110065755
    Abstract: A stable R-(+)-lansoprazole alkylamine salt and a process for preparing the salt.
    Type: Application
    Filed: May 12, 2009
    Publication date: March 17, 2011
    Applicant: Watson Pharma Private Limited
    Inventors: Manjunath Narayan Bhanu, Samir Naik, Arjun Bodkhe
  • Process For Preparation of Paliperidone
    Publication number: 20100311969
    Abstract: The present invention relates to a process for preparation and purification of 3-[2-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-9-hydroxy-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one, also known as paliperidone or 9-hydroxy risperidone. The invention also relates to the preparation of intermediates useful in the process.
    Type: Application
    Filed: February 5, 2009
    Publication date: December 9, 2010
    Applicant: WATSON PHARMA PRIVATE LIMITED
    Inventors: Amit Anant Chavan, Ashutosh Vijay Joshi, Manjunath Narayan Bhanu
  • Process for the Preparation of (S)-Pregabalin
    Publication number: 20100312010
    Abstract: The present invention provides a process for resolving racemic pregabalin to S-pregabalin by using a chiral acid to form a pregabalin salt, purifying the salt to obtain a purified S- pregabalin salt then neutralizing the salt to obtain S-pregabalin having good chiral purity.
    Type: Application
    Filed: December 18, 2008
    Publication date: December 9, 2010
    Applicant: WATSON PHARMA PRIVATE LIMITED
    Inventors: Amit Anant Chavan, Shashikant Balasaheb Padwal, Ashutosh Vijay Joshi, Manjunath Narayan Bhanu
  • Process for the Manufacture of Anagrelide Hydrochloride Monohydrate
    Publication number: 20100305318
    Abstract: The present invention relates to a process for preparation of Anagrelide Hydrochloride Monohydrate.
    Type: Application
    Filed: December 18, 2008
    Publication date: December 2, 2010
    Applicant: WATSON PHARMA PRIVATE LIMITED
    Inventors: Manjunath Narayan Bhanu, Samir Naik, Sadanand Maurya, Kishor Mahajan
  • Process for Preparation of Stable Amorphous R-Lansoprazole
    Publication number: 20100280077
    Abstract: A process for preparing stable amorphous R-(+)-lansoprazole comprising optically resolving racemic lansoprazole by the formation of host-guest inclusion complexes by selectively and reversibly including chiral guest molecules in the lansoprazole.
    Type: Application
    Filed: December 18, 2008
    Publication date: November 4, 2010
    Applicant: WATSON PHARMA PRIVATE LIMITED
    Inventors: Samir Naik, Arjun Bodke, Kishor Mahajan, Manjunath Narayan Bhanu