Patents by Inventor Hiren V. Patel

Hiren V. Patel 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).

  • Processes for preparing a polypeptide
    Patent number: 8536305
    Abstract: The present invention relates to an improved process for preparing a polypeptide or pharmaceutically acceptable salt thereof comprising L-tyrosine, L-alanine, L-glutamate, and L-lysine. The polypeptide or pharmaceutically acceptable salt thereof is preferably glatiramer acetate.
    Type: Grant
    Filed: September 27, 2007
    Date of Patent: September 17, 2013
    Assignee: Sandoz AG
    Inventors: Anup K Ray, Hiren V Patel, Johannes Ludescher, Mariappan Anbazhagan, Mahendra R Patel, Ingolf Macher
  • Process of Preparation of Olanzapine Form I
    Publication number: 20080188465
    Abstract: A process for the preparation of polymorph Form I of 2-methyl-4-(4-methyl-1-piperazinyl)-10H-thieno[2.3-b][1,5]benzodiazepine, or olanzapine.
    Type: Application
    Filed: October 30, 2007
    Publication date: August 7, 2008
    Inventors: Hiren V. Patel, Anup K. Ray, Pramod B. Patel, Mahendra R. Patel
  • Process of preparation of olanzapine form I
    Patent number: 7297789
    Abstract: A process for the preparation of polymorph Form I of 2-methyl-4-(4-methyl-1-piperazinyl)-10H-thieno[2,3-b][1,5] benzodiazepine, or olanzapine.
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: November 20, 2007
    Assignee: Sandoz, Inc.
    Inventors: Hiren V. Patel, Anup K. Ray, Pramod B. Patel, Mahendra R. Patel
  • Novel polymorph E of Olanzapine and preparation of anhydrous non-solvated crystalline polymorphic Form I of 2-methyl-4(4-methyl-1-piperazinyl)-10H-thieno[2,3-b][1,5] benzodiazepine (Olanzapine Form I) from the polymorphic Olanzapine Form E
    Publication number: 20070173496
    Abstract: The invention provides an Olanzapine pseudopolymoph Form E. The invention provides methods of preparing polymorphic Olanzapine Form E employing rapid crystallization and seeding. The invention provides methods of preparing anhydrous Olanzapine Form I from the Olanzapine Form E by step-wise drying.
    Type: Application
    Filed: January 26, 2006
    Publication date: July 26, 2007
    Inventors: Anup Ray, Hiren V. Patel, Johannes Ludescher, Mahendra Patel
  • Process of preparation of olanzapine Form I
    Publication number: 20040048854
    Abstract: A process for the preparation of polymorph Form I of 2-methyl-4-(4-methyl-1-piperazinyl)-10H-thieno[2,3-b][1,5] benzodiazepine, or olanzapine.
    Type: Application
    Filed: May 30, 2003
    Publication date: March 11, 2004
    Inventors: Hiren V. Patel, Anup K. Ray, Pramod B. Patel, Mahendra R. Patel