发明名称 PURIFICATION OF A CRUDE ACID MIXTURE.
摘要 <p>The invention generally relates to a method for purifying a mixture of crude aromatic acids comprising at least one benzene carboxylic acid and at least one napthalene carboxylic acid. The purification method of the present invention provides a purified aromatic acid mixture useful in the manufacture of ultraviolet light resistance polyesters.</p>
申请公布号 MXPA04006046(A) 申请公布日期 2004.09.27
申请号 MX2004PA06046 申请日期 2002.12.17
申请人 BP CORPORATION NORTH AMERICA INC. 发明人 BRUCE I. ROSEN
分类号 C07C51/43;C07C51/487;C07C63/16;C07C63/24;C07C63/26;C07C63/38;C08G63/78;(IPC1-7):C07C51/487;C07C63/00 主分类号 C07C51/43
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