Method of inactivating reproductive filterable pathogens
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United States of America Patent
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Mar 21, 1989
Grant Date -
N/A
app pub date -
May 12, 1987
filing date -
May 30, 1986
priority date (Note) -
Expired
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Abstract
A method of inactivating reproductive filterable pathogens in immunoglobulin-G-containing blood fractions to be applied therapeutically or prophylactically. In order to preserve full activity of the blood products and to completely inactivate pathogenic viruses, an aqueous solution of an immunoglobulin-G-containing fraction obtained from human blood is treated with neutral hydrolases at a temperature of 4.degree. to 50.degree. C. and at a pH of 5.5 to 9.5.
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