Patents Represented by Attorney Woodcock, Washburn, Kurtz, et al.

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  • Mouse model for Helicobacter pylori infection
    Patent number: 5985243
    Abstract: A mouse model for Helicobacter pylori infection prepared by infecting a euthymic mouse with a dose of bacteria freshly isolated from an infected human.
    Type: Grant
    Filed: May 24, 1996
    Date of Patent: November 16, 1999
    Assignee: Chiron S.p.A.
    Inventor: Paolo Ghiara
  • Process for purifying hepatitis A virus (HAV), virus thus purified and vaccine compositions containing it
    Patent number: 5719049
    Abstract: A process is described for the purification or the hepatitis A virus, which allows one to obtain with good yields a pure product, in which organic material collected by centrifugation after lysis or the culture cells is submitted to gel filtration and successively to ion exchange chromatography.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: February 17, 1998
    Assignee: Chiron S.p.A.
    Inventors: Vittoria Pellegrini, Nicoletta Fineschi, Arie J. Zuckerman
  • Process for purifying hepatitis a virus (HAV), and vaccine compositions containing hepatitis a virus
    Patent number: 5607851
    Abstract: A process is described for the purification of the hepatitis A virus, which allows one to obtain with good yields a pure product, in which organic material collected by centrifugation after lysis of the culture cells is submitted to gel filtration and successively to ion exchange chromatography.
    Type: Grant
    Filed: July 18, 1994
    Date of Patent: March 4, 1997
    Assignee: Biocine S.p.A.
    Inventors: Vittoria Pellegrini, Nicoletta Fineschi, Arie J. Zuckerman