发明名称 |
Diazo derivatives and process for their preparation |
摘要 |
Novel diazo derivatives useful for the deacidification of paper material and the process for their preparation comprising three steps starting from an amine and ethyl chlorocarbonate, are described.
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申请公布号 |
US6740741(B2) |
申请公布日期 |
2004.05.25 |
申请号 |
US20020189695 |
申请日期 |
2002.07.03 |
申请人 |
CONSIGLIO NAZIONALE DELLE RICERCHE;UNIVERSITA'DEGLI STUDI DI UDINE |
发明人 |
ZAPPALA' ANTONIO;GORASSINI ANDREA;GUIMANINI ANGELO;VERARDO GIANCARLO |
分类号 |
C07C245/14;C07C271/20;C07C281/02;C07D295/13;D21H25/18;(IPC1-7):C07C245/14 |
主分类号 |
C07C245/14 |
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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