| 发明名称 |
Method for the selective extraction of caffeine from vegetable materials |
| 摘要 |
Method of removing caffeine from vegetable materials using a solvent containing two components: (a) a first component which is inherently gaseous under operational conditions, and (b) a second component which, by itself, has physical properties such that a mixture of (a) and (b) is liquid at the operating temperature.
|
| 申请公布号 |
US4255458(A) |
申请公布日期 |
1981.03.10 |
| 申请号 |
US19780914811 |
申请日期 |
1978.06.12 |
| 申请人 |
HAG AKTIENGESELLSCHAFT |
发明人 |
ROSELIUS, LUDWIG;KURZHALS, HANS-ALBERT;HUBERT, PETER |
| 分类号 |
A23F5/00;A23F3/36;A23F3/38;A23F5/16;A23F5/20;A23F5/22;B01D11/00;B01D11/02;C07D473/12;C07G5/00;(IPC1-7):A23F3/20 |
主分类号 |
A23F5/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
