| 发明名称 |
4,4'-methylene-bis-(3-chloro-2,6-dialkylphenylisocyanates) |
| 摘要 |
PCT No. PCT/EP95/03260 Sec. 371 Date Mar. 20, 1997 Sec. 102(e) Date Mar. 20, 1997 PCT Filed Aug. 16, 1995 PCT Pub. No. WO96/05171 PCT Pub. Date Feb. 22, 1996The 4,4'-methylene-bis-(3-chloro-2,6-dialkylphenylisocyanates) of the general formula <IMAGE> I are new polyisocyanates for the production of PU systems with high chemical stability and good thermal stability.
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| 申请公布号 |
US5734076(A) |
申请公布日期 |
1998.03.31 |
| 申请号 |
US19970776714 |
申请日期 |
1997.03.20 |
| 申请人 |
LONZA AG |
发明人 |
DAUM, ULRICH;HARDT, PETER |
| 分类号 |
C07C263/10;C07C265/14;C08G18/76;C08G18/77;(IPC1-7):C07C249/00 |
主分类号 |
C07C263/10 |
| 代理机构 |
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代理人 |
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| 地址 |
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