| 发明名称 |
Process for the preparation of tertiary aralkyl urethanes and process for the preparation of isocyanates derived therefrom. |
| 摘要 |
<p>Production of tertiary aralkyl isocyanates, such as tetramethyl xylylene diisocyanates, by thermal cracking of corresponding olefins and carbamic acid esters at moderate temperatures and in the presence of acid catalyst.</p> |
| 申请公布号 |
EP0164491(A1) |
申请公布日期 |
1985.12.18 |
| 申请号 |
EP19850101500 |
申请日期 |
1983.07.01 |
| 申请人 |
AMERICAN CYANAMID COMPANY |
发明人 |
SINGH, BALWANT;CHANG, LAURENCE WU-KWANG;FORGIONE, PETER SALVATORE |
| 分类号 |
C07C263/04;B05D7/26;C07C67/00;C07C239/00;C07C241/00;C07C265/00;C07C265/08;C07C265/14;C07C269/02;C07C269/06;C07C271/06;C07C271/10;C08G18/76;(IPC1-7):C07C125/065;C07C125/073;C07C118/00 |
主分类号 |
C07C263/04 |
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