Removal of caffeine by selective adsorption using zeolite adsorbents
US4331694A · kind A · utility
26Cited by
6References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 13, 1980 |
| Grant date | May 25, 1982 |
| Priority date | — |
| Expiry date | Aug 13, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB01J20/18
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
Caffeine is selectively adsorbed from aqueous solutions such as coffee and tea by contact with a particular form of zeolites created by high temperature rigorous steaming of a low sodium form of zeolite Y.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.