发明名称 |
Method for producing isocyanates |
摘要 |
In a process for preparing isocyanates by reacting the corresponding primary amines with phosgene in an inert solvent, use is made of from 0.01 to 50 mol % of a phosphine oxide, based on the total amount of primary amine and isocyanate formed in the reaction solution.
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申请公布号 |
US7482481(B2) |
申请公布日期 |
2009.01.27 |
申请号 |
US20040492618 |
申请日期 |
2004.04.15 |
申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
ROHDE THORSTEN;STAMM ARMIN;HENKELMANN JOCHEM |
分类号 |
C07C263/00;C07B61/00;C07C263/10;C07C265/10 |
主分类号 |
C07C263/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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