发明名称 |
Fungus resistant gypsum-based substrate |
摘要 |
The present invention relates to a fungus resistant gypsum board, made of first and second polymeric fibrous sheets with a gypsum core sandwiched there between. The gypsum core containing less than 0.03% of formulation additives that serve as fungus nutrients and less than 0.5% of the dry gypsum core contains of fungus nutrients. The fibrous sheets are preferably nonwovens and the gypsum core preferably contains a fungicide. The invention is also directed to a process for making a fungus resistant gypsum board.
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申请公布号 |
US6703331(B1) |
申请公布日期 |
2004.03.09 |
申请号 |
US20000513097 |
申请日期 |
2000.02.25 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY;INNOGYPS, INC. |
发明人 |
BRUCE ROBERT B.;HARRISS DAVID M. |
分类号 |
B28B19/00;B32B13/14;C04B28/14;E04C2/04;(IPC1-7):B32B13/02;B32B13/10;B32B13/00;B27K1/00;B27K3/00;B27K5/00;E04B1/62;E04C2/54 |
主分类号 |
B28B19/00 |
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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