Decaffeination process
US4465699A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 16, 1976 |
| Grant date | Aug 14, 1984 |
| Priority date | — |
| Expiry date | Nov 16, 1996 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23F5/206
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
A process for producing a decaffeinated vegetable material, such as coffee or tea in aqueous extract or solid form, for use in preparation of beverages, which comprises: PA0 (a) contacting a caffeine-containing composition with a liquid, water-immiscible fatty material which is capable of removing caffeine therefrom; PA0 (b) maintaining said vegetable material and said fatty material in contact for a time sufficient to transfer caffeine from said vegetable material to said fatty material; and PA0 (c) separating the decaffeinated vegetable material from the caffeine-laden fatty material. Other features of the invention are described in the specification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.