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US 4,540,784 AGranted
Recovery of caffeine adsorbed to activated carbon
AssigneeHag GF Aktiengesellschaft
InventorsOtto G. Vitzthum, Peter Werkhoff, Manfred Gehrig
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Abstract
The invention relates to a process for recovering caffeine adsorbed to activated carbon by treating the loaded activated carbon with formic acid.
Claims4
A process for recovering caffeine from a caffeine loaded activitated carbon comprising the desorption of said caffeine loaded activated carbon with a formic acid solution comprising at least 78 weight percent formic acid.
Dependencies are inferred from the claim text.