Patents Assigned to decofa Kaffee-Bearbeitungs-GmbH
  • Process for the removal of undesirable constituents from raw coffee beans
    Patent number: 4215150
    Abstract: A process for the removal from raw coffee of constituents which contribute to the presence of undesired stimulants in roasted coffee, without changing the caffeine content. The process comprises treating the raw beans with the ester of an organic acid, in combination with a ketone.
    Type: Grant
    Filed: May 1, 1978
    Date of Patent: July 29, 1980
    Assignee: decofa Kaffee-Bearbeitungs-GmbH
    Inventors: Hans-Albert Kurzhals, Klaus F. Sylla
  • Process for the decaffeination of raw coffee beans
    Patent number: 4207352
    Abstract: A process for the decaffeination of raw coffee beans. Coffee beans containing 15 to 55 percent water are treated with the ester of an organic acid, in combination with a ketone.
    Type: Grant
    Filed: May 1, 1978
    Date of Patent: June 10, 1980
    Assignee: decofa Kaffee-Bearbeitungs-GmbH, Fabrikenufer
    Inventors: Hans-Albert Kurzhals, Klaus F. Sylla