| 发明名称 |
Air-entrained concrete with lignin-containing air-entraining agent |
| 摘要 |
Resinous compositions comprising lignin and polymerized rosin. Use of salts of the resinous compositions as concrete air-entraining agents and asphalt emulsifiers.
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| 申请公布号 |
US5702521(A) |
申请公布日期 |
1997.12.30 |
| 申请号 |
US19960728026 |
申请日期 |
1996.10.09 |
| 申请人 |
HERCULES INCORPORATED |
发明人 |
SUCHANEC, RICHARD ROBERT |
| 分类号 |
C08L93/04;C08L95/00;C08L97/00;(IPC1-7):C08B7/00;C08B9/12;C08B28/00;C08B28/04 |
主分类号 |
C08L93/04 |
| 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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