| 发明名称 |
Process for extracting caffeine from solutions thereof in carbon dioxide under high pressure |
| 摘要 |
Extraction of caffeine from solutions thereof is accomplished with carbon dioxide under high pressure, using adsorbents which combine a high adsorption capacity for caffeine with such hydrophilic properties that the caffeine-laden adsorbent can be regenerated using water only.
|
| 申请公布号 |
US4364965(A) |
申请公布日期 |
1982.12.21 |
| 申请号 |
US19800182715 |
申请日期 |
1980.08.29 |
| 申请人 |
D.E.J. INTERNATIONAL RESEARCH COMPANY B.V. |
发明人 |
VAN DER STEGEN, GERRIT H. D.;DE WILT, HENDRICUS G. J. |
| 分类号 |
A23F5/20;A23F5/22;B01D11/02;C07D473/12;(IPC1-7):A23F5/20 |
主分类号 |
A23F5/20 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
