Influenza vaccine

Drug – bio-affecting and body treating compositions – Lymphokine

Patent

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Details

435235, 435238, 435239, A61K 39145

Patent

active

044316330

ABSTRACT:
Influenza virus is extracted with a mixture of ether and ethanol, the aqueous and organic phases are separated and residual ether removed from the virus suspension under reduced pressure. The resulting product is useful as an influenza vaccine.

REFERENCES:
patent: 3031378 (1962-04-01), Ishidate et al.
A. R. Neurath et al., Archivfur diegesamte Virusfor-schung, vol. 28, pp. 421-423 (1969).

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