发明授权
- 专利标题: Isocyanatoaryl sulfonic acid esters
- 专利标题(中): 异氰酸酯基磺酸酯
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申请号: US203077申请日: 1980-10-31
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公开(公告)号: US4325887A公开(公告)日: 1982-04-20
- 发明人: Gerhard Grogler
- 申请人: Gerhard Grogler
- 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: DEX2637114 19760818
- 主分类号: C07C303/30
- IPC分类号: C07C303/30 ; C07C309/76 ; 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
- US6062544A Cable drive of a hoisting mechanism 公开/授权日:2000-05-16
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