发明名称 Anhydride stabilization
摘要 Disclosed herein are compositions comprising organic anhydrides having a reduced tendency to discolor with time, even when held at elevated temperatures for extended times. The compositions are produced by mixing at least one acid halide and various derivatives of hydroxy carboxylic acids with an anhydride to form a homogenous solution. Also disclosed is a process for preparing the compositions.
申请公布号 US6603042(B2) 申请公布日期 2003.08.05
申请号 US20020223990 申请日期 2002.08.20
申请人 HUNTSMAN PETROCHEMICAL CORPORATION 发明人 BROWN HENRY C.
分类号 C07C51/573;C07D307/60;C07D307/89;(IPC1-7):C07C53/00 主分类号 C07C51/573
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