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笔者从农业部农药检定所获悉,日前,国家知识产权局审核批准了山东潍坊润丰化工有限公司的“一种草甘膦铵盐原药的制备方法”和“一种草甘膦铵盐水溶性粒剂的制备方法”等2项发明专利授权,其专利号分别为ZL201010272863.6、ZL 200910020722.2。据了解,草甘膦铵盐原药的传统制备工艺是先采用气/液/固氧化法制备并分离出草甘膦铵盐湿料,再烘干得到草甘膦铵盐原药。而“一种草甘膦铵盐原药的制备方法”采用独有的气固相反应技术,大大简化了制备过程,反应收率以及产品纯度都大大提高,并有效降低了生产成本,且整个制备过程无任何“三废”产生,环保性高。
Recently, the State Intellectual Property Office approved the Shandong Weifang Runfeng Chemical Co., Ltd. “a method of preparing glyphosate ammonium salt ” and “a glyphosate Preparation of ammonium salt water-soluble granules ”and other 2 invention patents, the patent number is ZL201010272863.6, ZL 200910020722.2. It is understood that the traditional glyphosate ammonium preparation process is the first gas / liquid / solid oxidation preparation and separation of ammonium glyphosate wet material, and then dried to give glyphosate ammonium original drug. And “a method of preparing glyphosate ammonium original drug ” using a unique gas-solid reaction technology, which greatly simplifies the preparation process, the reaction yield and product purity are greatly increased, and effectively reduce production costs, And the entire preparation process without any “three wastes ” produced, high environmental protection.