发明授权
- 专利标题: Process for the production of isocyanates
- 专利标题(中): 生产异氰酸酯的方法
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申请号: US15577申请日: 1979-02-26
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公开(公告)号: US4259255A公开(公告)日: 1981-03-31
- 发明人: Gerhard Grogler
- 申请人: Gerhard Grogler
- 申请人地址: DEX Bayerwerk
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Bayerwerk
- 优先权: DEX2637114 19760818
- 主分类号: C07C309/72
- IPC分类号: C07C309/72 ; C07C67/00 ; C07C241/00 ; C07C263/04 ; C07C265/00 ; C07C265/12 ; C07C301/00 ; C07C303/02 ; C07C303/28 ; C07C303/30 ; C07C309/28 ; C07C309/73 ; C07C309/76 ; C07C309/86 ; C07C311/65 ; C07C118/00 ; C07C143/68
摘要:
The instant invention relates to a process for the production of isocyanates in which tert.-alkyl urethanes are reacted with phosgene and to isocyanatoaryl sulphonic acid esters obtainable for the first time by this process.
公开/授权文献
- USD356109S Printing head for printer 公开/授权日:1995-03-07
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