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US 4,205,131 AGranted
Virus propagation
AssigneeBurroughs Wellcome Co.
InventorJune D. Almeida
Life of this patent
Estimating the term…
Abstract
A method of propagating rotavirus in vitro which comprises growing the virus in cell cultures susceptible to the virus in the presence of a serum-free medium containing a proteolytic enzyme. Such a method promotes the growth of virus in tissue culture, thus providing large quantities of antigen for immunization and for use in diagnostic tests.
Claims7
A method of propagating rotavirus in vitro comprising growing the virus in cell cultures susceptible to the virus in the presence of a serum-free medium containing a proteolytic enzyme.
Dependencies are inferred from the claim text.