| 发明名称 |
Storage-stable iminodisuccinate solutions |
| 摘要 |
The present invention relates to a process for the preparation of storage-stable iminodisuccinate solutions, by subjecting an aqueous solution of iminodisuccinate having an ammonia content of less than 20 ppm to thermal treatment at 40 to 120° C. for 5 hours up to 300 days and subsequent distillation at <120° C.
|
| 申请公布号 |
US2005217816(A1) |
申请公布日期 |
2005.10.06 |
| 申请号 |
US20050081092 |
申请日期 |
2005.03.14 |
| 申请人 |
MITSCHKER ALFRED;SCHMIDT HOLGER;MORITZ RALF-JOHANN;WAGNER PAUL;FELLER ROLF |
发明人 |
MITSCHKER ALFRED;SCHMIDT HOLGER;MORITZ RALF-JOHANN;WAGNER PAUL;FELLER ROLF |
| 分类号 |
C07C227/40;C07C227/44;C07C229/24;(IPC1-7):D21H23/00;D21H21/00 |
主分类号 |
C07C227/40 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
