| 发明名称 |
Process and catalyst for preparing unsaturated carboxylic acid |
| 摘要 |
Acrylic acid or methacrylic acid is prepared by vapor-phase catalytic oxidation of acrolein or methacrolein, with molecular oxygen at a temperature of from 240 DEG to 450 DEG C in the presence of a catalyst represented by the formula:
|
| 申请公布号 |
US4042625(A) |
申请公布日期 |
1977.08.16 |
| 申请号 |
US19750590505 |
申请日期 |
1975.06.25 |
| 申请人 |
MITSUBISHI RAYON COMPANY, LTD. |
发明人 |
MATSUZAWA, HIDEO;OTANI, MASATO;ISHII, HIROMICHI;YAMADA, KANTARO;KOBAYASHI, HASAO |
| 分类号 |
B01J23/28;B01J23/30;B01J23/887;B01J27/00;B01J27/186;C07B61/00;C07C51/00;C07C51/25;C07C57/055;C07C67/00;(IPC1-7):C07C51/24;B01J27/02;B01J27/14 |
主分类号 |
B01J23/28 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
