对二甲苯技术专利现状分析

Patent Analysis on Technology of Para-Xylene

对二甲苯(PX)是石化生产过程中的中间产品,常温下为透明无色液体,具有芳香气味,是一种重要的基础化工原料。主要用于生产精对苯二甲酸(PTA)和对二苯甲酸酯(DMT),在化纤、合成树脂、农药、塑料等诸多化工生产领域有广泛的用途。通过对二甲苯领域的专利申请进行统计分析,从多个角度解读了国内外申请人在该领域的专利发展态势,以期客观展现二甲苯技术的专利保护现状。

Para-xylene(PX)is the intermediate product in the process of petrochemical production,room temperature is colorless transparent liquid,has fragrant smell,is an important basic chemical raw materials.There is a wide range of uses in the chemical fiber,synthetic resin,pesticide,plastic,and many other chemical production areas,mainly for the production of pure terephthalic acid(PTA)and the second benzoate(DMT).Based on the technology of Para-Xylene,the overall development situation,patent layout and key technology of Para-Xylene were analyzed,in order to objectively show the patent protection status of xylene technology.