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Primary Examiner: Lutter, Frank W.
Assistant Examiner: Sever, Frank
Attorney: Savoie; Thomas R., Struzzi; Bruno P., Donovan; Daniel J.

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Title: Decaffeination of green coffee

Abstract: A water extract of green coffee beans is dried and this dried powder is extracted with a solvent for caffeine such as ethanol. The decaffeinated solids are rehydrated and either reincorporated into the water-extracted green coffee which is then roasted and ground or used as a caffeine-deficient extraction medium for decaffeinating green coffee.


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Inventors: Hudak, Stephen F. (Ossining, NY, US)
Mahlmann, James P. (Wayne, NJ, US)

Application Number: 652950
Filing Date: 1976-01-28
Publication_date: 1978-03-28
Assignee: General Foods Corporation (White Plains, NY)
Primary Class(es): 426/428 426/427, 544/275
Other Classes:
US Patent Ref:
1123827Jan, 1915Whitaker et al.426/428.
1629512May, 1927Kundig426/428.
2309092Jan, 1943Berry et al.426/428.
2472121Jun, 1949Ornfelt426/428.
3361571Jan, 1968Nutting et al.426/428.
3740230Jun, 1973Mahlmann426/428.

Other Refs: 397,3236,375 OF
Aug, 1933UK
, 1906UK
Other References: Coffee Processing Technology, vol. 2, by M. Sivetz, pub. by Avi Pub. Co., Westport, Conn, 1963, pp. 212 and 213.
The Merck Index, Eighth edition, published by Merck & Co., Inc., Rahway, N. J. 1968, p. 188.