| 发明名称 |
Viscosity modification of bituminous materials |
| 摘要 |
Methods of modifying the viscosity of bituminous materials in which a fluoro or chlorofluoro derivative of a lower alkane is mixed therewith, and processes involving and employing products so modified.
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| 申请公布号 |
US4151003(A) |
申请公布日期 |
1979.04.24 |
| 申请号 |
US19760662619 |
申请日期 |
1976.03.01 |
| 申请人 |
OTISCA INDUSTRIES LTD |
发明人 |
KELLER, DOUGLAS V JR;SMITH, CLAY D |
| 分类号 |
C08K5/02;(IPC1-7):C08L95/00 |
主分类号 |
C08K5/02 |
| 代理机构 |
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