Patents by Inventor Keshava K. S. Murthy

Keshava K. S. Murthy 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).

  • Polymorphic forms of Warfarin potassium and preparations thereof
    Patent number: 8765976
    Abstract: There is provided crystalline solvate forms of Warfarin potassium, termed APO-I and APO-II, and processes for making APO-I and APO-II. APO-I and APO-II are polymorphic solvate forms of Warfarin potassium.
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: July 1, 2014
    Assignee: Apotex Pharmachem Inc.
    Inventors: Prabhudas Bodhuri, Gamini Weeratunga, Keshava K. S. Murthy
  • POLYMORPHIC FORMS OF WARFARIN POTASSIUM AND PREPARATIONS THEREOF
    Publication number: 20130143957
    Abstract: There is provided crystalline solvate forms of Warfarin potassium, termed APO-I and APO-II, and processes for making APO-I and APO-II. APO-I and APO-II are polymorphic solvate forms of Warfarin potassium.
    Type: Application
    Filed: May 20, 2011
    Publication date: June 6, 2013
    Applicant: APOTEX PHARMACHEM INC.
    Inventors: Prabhudas Bodhuri, Gamini Weeratunga, Keshava K.S. Murthy
  • Amorphous ziprasidone hydrochloride (5-[2-[4-(1,2-benzisothiazol-3-yl)-1-piperazinyl]ethyl]-6-chloro-1,3-dihydro-2H-indol-2-one hydrochloride) and processes to produce the same
    Patent number: 7939662
    Abstract: The present invention relates to a new and useful amorphous form of ziprasidone hydrochloride (5-[2-[4-(1,2-benzisothiazol-3-yl)-1-piperazinyl]ethyl]-6-chloro-1,3-dihydro-2H-indol-2-one hydrochloride) and preparations thereof.
    Type: Grant
    Filed: December 6, 2007
    Date of Patent: May 10, 2011
    Assignee: Apotex Pharmachem Inc.
    Inventors: Carlos Zetina-Rocha, Allan W. Rey, Matthew A. Buck, Lotfi Derdour, Stephen E. Horne, Keshava K. S. Murthy
  • Commercial process for the manufacture of fluconazole and intermediates useful in the manufacture thereof
    Patent number: 5750719
    Abstract: A process for making Fluconazole is provided comprising carrying out the following scheme of reaction: ##STR1##
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: May 12, 1998
    Assignee: Brantford Chemicals Inc.
    Inventors: Keshava K.S. Murthy, Gamini Weeratunga, Derek John Norris, Stephen Edward Horne, Derrick L.J. Clive