发明名称 |
Preparation of light-colored isocyanates |
摘要 |
The invention relates to the preparation of isocyanates by phosgenation of amines in the gas phase, with these isocyanates having a comparatively low proportion of color-imparting compounds.
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申请公布号 |
US2009149671(A1) |
申请公布日期 |
2009.06.11 |
申请号 |
US20080291774 |
申请日期 |
2008.11.12 |
申请人 |
STUTZ HERBERT;HALPAAP REINHARD;LEWKEBANDARA TILAK SUREN |
发明人 |
STUTZ HERBERT;HALPAAP REINHARD;LEWKEBANDARA TILAK SUREN |
分类号 |
C07C263/10 |
主分类号 |
C07C263/10 |
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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