发明名称 |
Asphalt shingle coating with improved tear strength |
摘要 |
The present invention is directed to an air-blown roofing asphalt modified with polyphosphoric acid and roofing products made with the polyphosphoric acid-modified, air-blown asphalt. |
申请公布号 |
US7678467(B2) |
申请公布日期 |
2010.03.16 |
申请号 |
US20060562819 |
申请日期 |
2006.11.22 |
申请人 |
ICL PERFORMANCE PRODUCTS LP |
发明人 |
FALKIEWICZ MICHAEL;MALDONADO RENE |
分类号 |
C08L95/00 |
主分类号 |
C08L95/00 |
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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