| 发明名称 |
PROCESS FOR PRODUCING MMA AND/OR MAA FROM ACETONE CYANOHYDRIN AND SULFURIC ACID |
| 摘要 |
A multistage process for the preparation of methacrylic acid and esters thereof via the hydrolysis of ACH, cracking the hydrolysis products, and converting the cracked products to the desired acid or ester, wherein the average temperature in the first hydrolysis reactor is from 55 C to 70 C. |
| 申请公布号 |
EP2900630(A1) |
申请公布日期 |
2015.08.05 |
| 申请号 |
EP20130767171 |
申请日期 |
2013.09.09 |
| 申请人 |
ROHM AND HAAS COMPANY |
发明人 |
LEMONDS, ANDREW M.;NGO, MINH N.;SATHIOSATHAM, MUHUNTHAN;ZOLOTOROFE, DONALD LEE |
| 分类号 |
C07C231/06;C07C51/06;C07C57/04;C07C67/20;C07C69/54;C07C231/12;C07C233/09;C07C235/06;C07C303/24;C07C305/06 |
主分类号 |
C07C231/06 |
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