Patents by Inventor Mahesh Kharade

Mahesh Kharade 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 preparation of highly pure isotretinoin
    Patent number: 7763748
    Abstract: The present invention relates to a process for preparation of isotretinoin and more specifically, to a purification process for obtaining highly pure isotretinoin that is useful as a keratolytic agent, particularly useful for the treatment of acne. The process involves treating isotretinoin containing metal contamination and/or other impurities with a base in a suitable solvent to form a solution of isotretinoin, followed by adsorption, precipiation, and filtration or centrifugation.
    Type: Grant
    Filed: February 20, 2008
    Date of Patent: July 27, 2010
    Assignee: IPCA Laboratories Limited
    Inventors: Ashok Kumar, Dharmendra Singh, Ganesh Devidas Mahale, Ragnesh Kumar Rana, Mahesh Kharade
  • PROCESS FOR PREPARATION OF HIGHLY PURE ISOTRETINOIN
    Publication number: 20080207946
    Abstract: The present invention relates to a process for preparation of isotretinoin and more specifically, to a purification process for obtaining highly pure isotretinoin that is useful as a keratolytic agent, particularly useful for the treatment of acne.
    Type: Application
    Filed: February 20, 2008
    Publication date: August 28, 2008
    Inventors: Ashok Kumar, Dharmendra Singh, Ganesh Devidas Mahale, Ragnesh Kumar Rana, Mahesh Kharade