Patents by Inventor J. Suresh Babu

J. Suresh Babu 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).

  • Synthesis of 3-ethoxy-4-ethoxycarbonyl phenyl acetic acid, a key acid synthon of repaglinide
    Patent number: 6686497
    Abstract: The present invention relates to a new and industrially advantageous process for the preparation of 3-ethoxy-4-ethoxy-carbonyl-phenyl acetic acid. This compound is a key intermediate for the synthesis of Repaglinide, an oral hypoglycemic agent.
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: February 3, 2004
    Assignee: Banbaxy Laboratories Limited
    Inventors: Mohammad Salman, J. Suresh Babu, Purna C. Ray, Sujay Biswas, Naresh Kumar
  • Process for the preparation of isotretinoin
    Patent number: 6441226
    Abstract: The present invention relates to a process for the preparation of 13-cis isomer of Vitamin A acid, commonly known as isotretinoin, in a single step.
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: August 27, 2002
    Assignee: Ranbaxy Laboratories Limited
    Inventors: Mohammad Salman, Vijay Kumar Kaul, J. Suresh Babu, Naresh Kumar