Patent 1251

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Inventors: Hay P, Leigh D, Liardon R
Patent Title: Caffeine imprint polymer
Publication date: 1997
Publication number: EP0776607A1

Abstract: An imprint polymer having non covalent recognition sites for caffeine, capable of selectively removing caffeine from an aqueous extract derived from green or roasted coffee beans. A process for extracting caffeine from an aqueous extract derived from green or roasted coffee beans, in which the extract is contacted with an imprint polymer having non covalent recognition sites for caffeine and capable to selectively remove caffeine from an aqueous extract, whereby caffeine is removed from said extract. A cartridge containing an imprint polymer having non covalent recognition sites for caffeine for use to decaffeinate a coffee extract derived from roasted coffee beans.
URL: http://v3.espacenet.com/textdoc?DB=EPODOC&IDX=EP0776607&F=0

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