Patents Assigned to Wellspring Pharmaceutical Corporation
  • Preparation of metal mesoporphyrin halide compounds
    Patent number: 6818763
    Abstract: A method of preparing metal mesoporphyrin halide compounds is described. The metal mesoporphyrin halide compound may be formed by forming a novel mesoporphyrin IX intermediate compound and then converting the mesoporphyrin IX intermediate to the metal mesoporphyrin halide through metal insertion. The novel intermediate compound may be formed by a catalytic hydrogenation of hemin in acid and subsequent recovery.
    Type: Grant
    Filed: June 3, 2003
    Date of Patent: November 16, 2004
    Assignee: Wellspring Pharmaceutical Corporation
    Inventors: Robert A. Vukovich, Benjamin Levinson, George S. Drummond, Robert Caroselli, Kazimierz G. Antczak, Christopher Boucher, Richard Mortimer
  • Preparation of metal mesoporphyrin halide compounds
    Publication number: 20040210048
    Abstract: A method of preparing metal mesoporphyrin halide compounds is described. The metal mesoporphyrin halide compound may be formed by forming a novel mesoporphyrin IX intermediate compound and then converting the mesoporphyrin IX intermediate to the metal mesoporphyrin halide through metal insertion. The novel intermediate compound may be formed by a catalytic hydrogenation of hemin in acid and subsequent recovery.
    Type: Application
    Filed: March 29, 2004
    Publication date: October 21, 2004
    Applicant: WellSpring Pharmaceutical Corporation
    Inventors: Robert Vukovich, Benjamin Levinson, George S. Drummond, Robert Caroselli, Kazimierz G. Antczak, Christopher Boucher, Richard Mortimer, Danny Levin, Keith A. Cooke