Patents by Inventor Subhash Vishwanath Damle

Subhash Vishwanath Damle 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).

  • Patent number: 8741962
    Abstract: The present invention relates to an improved process for the preparation of Rasagiline or pharmaceutically acceptable salts thereof. The present invention also relates to Rasagiline salts, polymorphs thereof and process for preparation thereof.
    Type: Grant
    Filed: November 24, 2010
    Date of Patent: June 3, 2014
    Assignee: USV Limited
    Inventors: Dhananjay Govind Sathe, Subhash Vishwanath Damle, Kamlesh Digambar Sawant, Parag Sukumar Gatne, Tushar Anil Naik
  • Publication number: 20130158265
    Abstract: The present invention relates to an improved process for preparation of Sitagliptin or pharmaceutically acceptable salts thereof. The present invention further relates to novel polymorphs of Sitagliptin salts and process for preparation thereof.
    Type: Application
    Filed: August 26, 2011
    Publication date: June 20, 2013
    Inventors: Dhananjay Govind Sathe, Subhash Vishwanath Damle, Nitin Dnyaneshwar Arote, Rakesh Ramchandra Ambre, Kamlesh Digambar Want, Tushar Anil Naik
  • Publication number: 20120071669
    Abstract: The present invention relates to an improved process for the preparation of 3-(N-methyl-2(R)-pyrrolidinyl methyl)-5-[2-(phenyl sulfonyl)ethyl]-1H-indole or pharmaceutically acceptable salts thereof, particularly 3-(N-methyl-2(R)-pyrrolidinyl methyl)-5-[2-(phenyl sulfonyl)ethyl]-1H-indole hydrobromide (Eletriptan hydrobromide). The present invention further relates to novel polymorphs of 3-(N-methyl-2(R)-pyrrolidinyl methyl)-5-[2-(phenyl sulfonyl)ethenyl]-1H-indole hydrobromide and process for preparation thereof.
    Type: Application
    Filed: July 15, 2011
    Publication date: March 22, 2012
    Applicant: USV Limited B.S.D. Mar
    Inventors: Dhananjay Govind Sathe, Subhash Vishwanath Damle, Subodh Shashikant Patnekar, Prashant Vijay Joshi, Samadhan Daulat Patil
  • Publication number: 20110155626
    Abstract: The present invention relates to an improved process for the preparation of Rasagiline or pharmaceutically acceptable salts thereof. The present invention also relates to Rasagiline salts, polymorphs thereof and process for preparation thereof.
    Type: Application
    Filed: November 24, 2010
    Publication date: June 30, 2011
    Applicant: USV Limited
    Inventors: Dhananjay Govind Sathe, Subhash Vishwanath Damle, Kamlesh Digambar Sawant, Parag Sukumar Gatne, Tushar Anil Naik