| 发明名称 |
Process and product |
| 摘要 |
Compounds typified by N,N'-polyoxyalkylene bis (pyrrolidinone-3-carboxylic acid) are useful as epoxy curing accelerators. Salts thereof, including alkali metal salts, are curing agents for isocyanurate foams.
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| 申请公布号 |
US4326050(A) |
申请公布日期 |
1982.04.20 |
| 申请号 |
US19810249799 |
申请日期 |
1981.04.01 |
| 申请人 |
TEXACO DEVELOPMENT CORPORATION |
发明人 |
SCHULZE, HEINZ;ZIMMERMAN, ROBERT L.;WADDILL, HAROLD G. |
| 分类号 |
C08G18/22;C08G65/332;C08L63/00;(IPC1-7):C08G59/52;C08G59/58 |
主分类号 |
C08G18/22 |
| 代理机构 |
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代理人 |
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