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.
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
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