发明名称 |
VERFAHREN ZUR HERSTELLUNG EINER STABILEN THYMOSINFRAKTION 5 UND SO ERHALTENE THYMOSINFRAKTION 5. |
摘要 |
RAN 4090/93 A solid stable endotoxin and pyrogen free form of thymosin fraction 5 preparation containing (a) a major amount of thymosin fraction and minor, effective amounts each of (b) a phenolic type antimicrobial agent, and (c) a buffering agent in an amount sufficient to provide a pH of 7-8 on reconstitution and method for preparing same which method comprises (a) ultrafiltering an aqueous solution of thymosin fraction 5 buffered with a volatile weakly basic buffer to a pH of 7 to 8 through a membrane having a molecular weight cut off of about 10,000, (b) adding a phenolic type antimicrobial agent to the permeate and a buffering agent in anmount sufficient to provide of pH of 7-8 on reconstitution and (c) lyophilizing the permeate. |
申请公布号 |
CH632164(A5) |
申请公布日期 |
1982.09.30 |
申请号 |
CH19780000511 |
申请日期 |
1978.01.18 |
申请人 |
HOFFMANN-LA ROCHE, F., & CO. AG |
发明人 |
WELDON COURTNEY MCGREGOR;HAROLD LEON NEWMARK;ARMIN HERMANN RAMEL |
分类号 |
A61K35/24;A61K38/22;A61P37/00;(IPC1-7):A61K37/02 |
主分类号 |
A61K35/24 |
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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