发明名称 |
Forming solid, adhesive-free composite of membrane filters and cellulosic cardboard |
摘要 |
A solid, adhesive-free, layered composite material consisting of two clearly defined layers, one made of membrane filters and the other of porous material, the said composite material being formed by bringing a polymeric membrane filter forming substance in its gel condition into contact with the porous material, and solidifying the said gel on the porous material; the composite material is useful as a nutrient medium carrier for microbiological tests.
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申请公布号 |
US4042733(A) |
申请公布日期 |
1977.08.16 |
申请号 |
US19760689792 |
申请日期 |
1976.05.25 |
申请人 |
BOEHRINGER INGELHEIM GMBH |
发明人 |
BUCHTA, KARL;ABDOU, MOHAMED;WOLTERSDORF, HARALD |
分类号 |
C12Q1/18;(IPC1-7):B05D3/02 |
主分类号 |
C12Q1/18 |
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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