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 |