Caffeine adsorption
US4508743A · kind A · utility
4Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 1981 |
| Grant date | Apr 2, 1985 |
| Priority date | — |
| Expiry date | May 15, 2001 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23F5/223
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
In the decaffeination of green coffee beans with an aqueous medium, caffeine is removed from the aqueous medium which also contain non-caffeine green coffee solids, contact with substantially neutral active carbon. Thereafter the medium may be recycled to extract further amounts of caffeine from the same or another batch of green coffee beans. Other features of the invention are described in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.