山东新华制药股份有限公司一种4-甲氨基安替比林制备方法专利完成登记（有机化学专利快讯）

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天眼查App显示，2026-01-13，“一种4-甲氨基安替比林制备方法”（patentName）正式进入公布阶段。申请人为山东新华制药股份有限公司，该项有机化学专利涉及医药化工领域中的关键中间体制备工艺。据专利信息显示，该方法通过协同优化甲基化、水解及中和工序，显著降低了硫酸二甲酯和硫酸的消耗，减少了副产盐量和母液处理量，并利用液碱替代纯碱实现了管道化输送，有效降低了生产成本和员工劳动强度。...

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