发明授权
- 专利标题: Process for the production of methylisocyanate
- 专利标题(中): 异氰酸甲酯生产工艺
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申请号: US51407申请日: 1979-06-25
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公开(公告)号: US4206136A公开(公告)日: 1980-06-03
- 发明人: Gunter Giesselmann , Kurt Gunther , Werner aus der Funten
- 申请人: Gunter Giesselmann , Kurt Gunther , Werner aus der Funten
- 申请人地址: DEX Frankfurt am Main
- 专利权人: Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- 当前专利权人: Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
- 当前专利权人地址: DEX Frankfurt am Main
- 优先权: DEX2828259 19780628
- 主分类号: C07B61/00
- IPC分类号: C07B61/00 ; B01J23/00 ; B01J23/02 ; C07C20060101 ; C07C67/00 ; C07C241/00 ; C07C263/00 ; C07C263/02 ; C07C265/00 ; C07C265/04 ; C07C118/00
摘要:
Methyl isocyanate is prepared by reacting an alkali cyanate with dimethyl sulfate in the presence of an alkaline earth metal oxide and in an inert organic liquid. There can also be present an alkali metal or alkaline earth metal salt.
公开/授权文献
- USD386474S Three barrel electrical contact cartridge box 公开/授权日:1997-11-18
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