发明名称 |
Process for isolating hepatitis B antigen |
摘要 |
An improved process for the preparation of hepatitis B antigen by subjecting plasma of hepatitis B donors to isopycanic banding wherein the step gradient is NaBr. Faster and more economical processing is obtained by multiple loading of the step gradient, either NaBr or conventional gradients.
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申请公布号 |
US4024243(A) |
申请公布日期 |
1977.05.17 |
申请号 |
US19750587507 |
申请日期 |
1975.06.16 |
申请人 |
MERCK & CO., INC. |
发明人 |
MCALEER, WILLIAM J.;WASMUTH, EDWARD H. |
分类号 |
C07K14/02;(IPC1-7):A61K39/12;C12K5/00;C07G7/00 |
主分类号 |
C07K14/02 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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