The main production methods for trimellitic anhydride include the oxidation by nitric acid and oxidation in gas phase with unsmy-trimethylbenzene as raw material . This product has very wide applications and its production and selling at abroad have matured .

偏 苯 三 酸酐的生产方法主要有 偏三甲苯 硝酸氧化法、偏三甲苯气相氧化法等，其应用范围很广，在国外的生产与销售均很成熟。

A range of waterborne alkyd resins has been prepared by fatty acid process based on soybean fatty acid trimellitic anhydride and various polyols and polybasic carboxylic acids which are modified with benzoic acid maleic anhydride and oleic acid .

通过脂肪酸法，选用豆油脂肪酸、 偏 苯 三甲酸酐和不同的多元醇、多元酸制备了一系列水性醇酸树脂，用苯 甲酸、顺丁烯二酸酐和油酸对其改性进行了研究。