| 发明名称 |
Preparation of phthalate esters |
| 摘要 |
A process for the preparation of a lower alkyl ester of a phthalic acid by contacting an ammonium salt of an aromatic carboxylic acid with vapors of a lower alkanol at a temperature between about 230 DEG C and about 300 DEG C in the presence of an alkaline esterification catalyst.
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| 申请公布号 |
US3935238(A) |
申请公布日期 |
1976.01.27 |
| 申请号 |
US19730323477 |
申请日期 |
1973.01.15 |
| 申请人 |
SUN RESEARCH AND DEVELOPMENT CO. |
发明人 |
NORTON, RICHARD V. |
| 分类号 |
C07C69/76;C07C69/80;C07C69/82;(IPC1-7):C07C69/80 |
主分类号 |
C07C69/76 |
| 代理机构 |
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代理人 |
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| 地址 |
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