Process for recovering caffeine absorbed in activated carbon, an

Details Process for recovering caffeine absorbed in activated carbon, an Process for recovering caffeine absorbed in activated carbon, an

1987-06-01

1989-10-31

Shah, Mukund J.

Food or edible material: processes, compositions, and products

Processes

Treatment of liquid with nongaseous material other than...

426427, 426428, 544274, 544275, A23F 522, C07D47312

Patent

active

048776319

ABSTRACT:
A process for recovering from caffeine-loaded activated carbon by treatment f the loaded carbon with an acid. According to the present invention, activated carbon is treated with a compound having the formula ##STR1## wherein R.sub.1 is methyl, H or Cl, and R.sub.2 is Cl, OH or phenyl.

REFERENCES:
patent: 4298736 (1981-11-01), Katz et al.
patent: 4443601 (1984-04-01), Karmiol et al.
patent: 4540784 (1985-09-01), Vitzthum et al.
patent: 4548827 (1985-10-01), Katz et al.
Umeyama, et al., Chem. Pharm. Bull., vol. 19(2), pp. 412-417, (1971).

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