发明授权
- 专利标题: Process for the preparation of isopropenyl isocyanate
- 专利标题(中): 异氰酸异丙烯酯的制备方法
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申请号: US621175申请日: 1975-10-09
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公开(公告)号: US3960915A公开(公告)日: 1976-06-01
- 发明人: Dieter Arlt , Josef Bremen
- 申请人: Dieter Arlt , Josef Bremen
- 申请人地址: DT Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DT Leverkusen
- 优先权: DT2450285 19741023
- 主分类号: C07C265/06
- IPC分类号: C07C265/06 ; C07C67/00 ; C07C241/00 ; C07C263/08 ; C07C265/04 ; C07D273/00 ; C07C118/00
摘要:
The instant invention is directed to a process for the preparation of isopropenyl isocyanate comprising pyrolyzing 5-isopropenyl-1,3,4-dioxazolinone-2 in the gaseous phase, at a temperature above 200.degree.C.
公开/授权文献
- US5110143A Seal cartridge for use in idler rollers 公开/授权日:1992-05-05