Patent: RE33164
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Summary for Patent: RE33164
Title: | Influenza vaccine production in liquid cell culture |
Abstract: | Infectivity and replication of influenza viruses in successive numbers of cells of the same liquid cell culture is assured by including a protein hydrolyzing enzyme in the culture during virus incubation. Technique overcomes \"one-step growth cycle\" of virus and allows commercial influenza vaccine production from liquid cell cultures instead of from more costly embryonated chicken eggs. Resulting vaccine is thus substantially free of egg proteins. |
Inventor(s): | Brown; Karen K. (Kansas City, MO), Stewart; Richard C. (Merriam, KS) |
Assignee: | Mobay Corporation (Pittsburgh, PA) |
Application Number: | 07/015,827 |
Patent Claims: | see list of patent claims |