| 发明名称 |
Porous solid material |
| 摘要 |
a porous solid material for plant propagation which includes granules of a porous expanded mineral, such as perlite or vermiculite, distributed within a porous, open-cell foamed hydrophilic water-retentive polyurethane matrix. The material may be molded into sheets of break-off units for seed germination and propagation.
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| 申请公布号 |
US5791085(A) |
申请公布日期 |
1998.08.11 |
| 申请号 |
US19970904818 |
申请日期 |
1997.08.01 |
| 申请人 |
UNIVERSITY OF STRATHCLYDE |
发明人 |
SZMIDT, ROBERT ALEKSANDER KARASINSKI;GRAHAM, NEIL BONNETTE |
| 分类号 |
A01G31/00;(IPC1-7):A01G31/00;A01B79/00;A01C1/00;C08J9/00 |
主分类号 |
A01G31/00 |
| 代理机构 |
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