发明授权
- 专利标题: Process for the preparation of alkoxycarbonyl isocyanates
- 专利标题(中): 烷氧基羰基异氰酸酯的制备方法
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申请号: US948215申请日: 1986-12-31
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公开(公告)号: US4777283A公开(公告)日: 1988-10-11
- 发明人: Andreas Krebs , Hermann Hagemann
- 申请人: Andreas Krebs , Hermann Hagemann
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX3601376 19860118
- 主分类号: C07B61/00
- IPC分类号: C07B61/00 ; B01J31/00 ; C07C67/00 ; C07C239/00 ; C07C265/04 ; C07C265/16 ; C07C269/00 ; C07C69/00
摘要:
Alkoxycarbonyl isocyanates are prepared from carbamic acid esters by reacting these with phosgene and adding a catalyst.
公开/授权文献
- US5256994A Programmable secondary clock generator 公开/授权日:1993-10-26
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