发明名称 |
Asphalt impregnated felt building materials |
摘要 |
The disclosure describes asphalt saturated felt building materials, optionally having a mineral filled asphalt base coating thereon, in which the asphalt saturating the felt and/or the asphalt in any mineral filled coating is a blend of 10-55% sulfur dispersed in the asphalt. The materials are used in the conventional manner as roofing felt, roofing shingles, and in built-up roofing, to obtain improved fire resistance.
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申请公布号 |
US4079158(A) |
申请公布日期 |
1978.03.14 |
申请号 |
US19750620473 |
申请日期 |
1975.10.07 |
申请人 |
GULF OIL CANADA LIMITED |
发明人 |
KENNEPOHL, GERHARD J. A.;MILLER, LAVERNE J.;BEAN, DAVID C. |
分类号 |
B32B11/02;B32B11/10;D06N5/00;E04D5/02;(IPC1-7):E04D1/00 |
主分类号 |
B32B11/02 |
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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