Patents by Inventor Wajid Sajjad Jafri

Wajid Sajjad Jafri 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).

  • CRYSTALLINE FORMS OF ATORVASTATIN MAGNESIUM
    Publication number: 20090306173
    Abstract: The present invention relates to crystalline forms of Atorvastatin magnesium and processes for their preparation. The crystalline forms of the present invention are designated as form X, form Y, form Z and form P of atorvastatin magnesium. The present invention further relates to pharmaceutical compositions comprising form X, form Y, form Z and form P of atorvastatin magnesium and method of using the crystalline forms.
    Type: Application
    Filed: June 2, 2009
    Publication date: December 10, 2009
    Inventors: Vipin TYAGI, Wajid Sajjad Jafri, Sanjay Kumar, Saridi Madhava Dileep Kumar, Swargam Sathyanarayana, Kaptan Singh, Mohan Prasad
  • Process for preparing carbamazepine from iminostilbene
    Patent number: 6245908
    Abstract: A process for preparing carbamazepine from iminostilbene is disclosed. The iminostilbene is reacted with urea in a protonating medium. This process results in improvements over prior art processes involving iminostilbene. Carbamazepine is a known muscle relaxant, anticonvulsant and antidepressant drug.
    Type: Grant
    Filed: February 19, 1999
    Date of Patent: June 12, 2001
    Assignee: Max India Limited
    Inventors: Ketan Dhansukhlal Vyas, Wajid Sajjad Jafri, Ashok Krishna Kulkarni