发明名称 Process for the preparation of phosphonic acid monomers
摘要 A simple, commercially viable process for the preparation of phosphonic acid monomers containing essentially no diester or inorganic phosphorous acid compounds is disclosed.
申请公布号 US9546190(B2) 申请公布日期 2017.01.17
申请号 US201314648541 申请日期 2013.11.26
申请人 Rohm and Haas Company 发明人 Sathiosatham Muhunthan;Sevon Douglass
分类号 C07F9/38;C08F230/02 主分类号 C07F9/38
代理机构 代理人 Brant Edward L.
主权项 1. A process comprising contacting methacrylic acid (MAA) with one or more phosphorus reactants of the formula: wherein n is a number having an average value of from 1 to 3, under reaction conditions sufficient to produce a product comprising a phosphonic acid compound of the formula: wherein the reaction is conducted in the substantial absence of added solvent and catalyst.
地址 Philadelphia PA US