Patents by Inventor Ashesh Kamalnayan PANDYA

Ashesh Kamalnayan PANDYA 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).

  • O-DESMETHYLVENLAFAXINE SUCCINATE POLYMORPH & PROCESS FOR PREPARING THEREOF
    Publication number: 20110184067
    Abstract: This disclosure relates to a crystalline form of O-desmethylvenlafaxine and a process for its preparation. The disclosed crystalline form of O-desmethylvenlafaxine can be used for the manufacture of pharmaceutical compositions for the treatment of depression.
    Type: Application
    Filed: January 24, 2011
    Publication date: July 28, 2011
    Applicant: INTAS PHARMACEUTICALS LTD.
    Inventors: Ashesh Kamalnayan Pandya, Chirag Girishkumar Naik, Sachin Panditrao Sawant
  • METHOD OF PREPARING O-DESMETHYLVENLAFAXINE
    Publication number: 20110098506
    Abstract: A method of preparing O-desmethylvenlafaxine from Venlafaxine or its pharmaceutically acceptable salt is disclosed. The disclosed method involves the use of mercapto carboxylic acids in the presence of suitable solvents under alkaline conditions. The disclosed process provides a novel and industrially feasible process for the preparation of O-desmethylvenlafaxine. The disclosed process also provides a cost effective, non-hazardous and efficient process for preparing O-desmethylvenlafaxine.
    Type: Application
    Filed: October 25, 2010
    Publication date: April 28, 2011
    Applicant: INTAS PHARMACEUTICALS LIMITED
    Inventors: Balaram Jivraj DHOTRE, Ashesh Kamalnayan PANDYA, Chiragkumar Anilkumar BHATT, Chirag Girish NAIK