发明名称 |
Foamable resinous polymer compositions containing acid mixtures |
摘要 |
A foamable polymer composition comprising a resinous polymer and a mixture of polycyclic aromatic polycarboxylic acids carrying nuclear nitro groups that is substantially soluble in acetone but substantially insoluble in water obtained as a result of the nitric acid oxidation of a carbonaceous material, such as coal.
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申请公布号 |
US4101469(A) |
申请公布日期 |
1978.07.18 |
申请号 |
US19760696743 |
申请日期 |
1976.06.16 |
申请人 |
GULF RESEARCH & DEVELOPMENT COMPANY |
发明人 |
SCHULZ, J. GUSTAV;SABOURIN, EDWARD T. |
分类号 |
C08J9/08;(IPC1-7):C08J9/00 |
主分类号 |
C08J9/08 |
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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