Patents Represented by Attorney Joanne M. Glesser

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  • Novel process for purification of hepatitis a virions
    Patent number: 5521082
    Abstract: New methods for purifying Hepatitis A virus (HAV) are to commercial scale-up and manufacture of specific HAV vaccines, including formalin-inactivated HAV and attenuated HAV.
    Type: Grant
    Filed: October 28, 1992
    Date of Patent: May 28, 1996
    Assignee: Merck & Co., Inc.
    Inventors: John A. Lewis, Marcy E. Armstrong, Emilio A. Emini