发明授权
- 专利标题: Process for decaffeinating coffee
- 专利标题(中): 脱咖啡因咖啡的过程
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申请号: US933482申请日: 1978-08-14
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公开(公告)号: US4322445A公开(公告)日: 1982-03-30
- 发明人: Siegfried Peter , Gerd Brunner
- 申请人: Siegfried Peter , Gerd Brunner
- 专利权人: Siegfried Peter,Gerd Brunner
- 当前专利权人: Siegfried Peter,Gerd Brunner
- 主分类号: A23F5/20
- IPC分类号: A23F5/20 ; B01D11/02
摘要:
The invention involves a process for the decaffeination of coffee, wherein--usually moistened--coffee is exposed to a circulating medium essentially composed of a compressed gas and an entrainer; this medium is subjected to partial condensation of the caffeine containing entrainer, in the absence of decompression; the caffeine is recovered from the condensate by evaporation of the entrainer portion thereof, and the medium is recycled to the coffee for continued extraction of caffeine therefrom.
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