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ATE26718T1 - Wiedergewinnung von auf aktivkohle adsorbiertem coffein. - Google Patents

Wiedergewinnung von auf aktivkohle adsorbiertem coffein.

Info

Publication number
ATE26718T1
ATE26718T1 AT83106094T AT83106094T ATE26718T1 AT E26718 T1 ATE26718 T1 AT E26718T1 AT 83106094 T AT83106094 T AT 83106094T AT 83106094 T AT83106094 T AT 83106094T AT E26718 T1 ATE26718 T1 AT E26718T1
Authority
AT
Austria
Prior art keywords
recovery
activated charcoal
caffeine adsorbed
adsorbed
caffeine
Prior art date
Application number
AT83106094T
Other languages
English (en)
Inventor
Otto G Dr Vitzthum
Peter Dr Werkhoff
Manfred Dr Gehrig
Original Assignee
Hag Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hag Ag filed Critical Hag Ag
Application granted granted Critical
Publication of ATE26718T1 publication Critical patent/ATE26718T1/de

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • C07D473/02Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/04Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3
    • C07D473/12Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms with radicals containing only hydrogen and carbon atoms, attached in position 1 or 3 with methyl radicals in positions 1, 3, and 7, e.g. caffeine
    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23FCOFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F5/00Coffee; Coffee substitutes; Preparations thereof
    • A23F5/20Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
    • A23F5/22Reducing or removing alkaloid content from coffee extract
    • A23F5/223Reducing or removing alkaloid content from coffee extract using flocculating, precipitating, adsorbing or complex-forming agents, or ion-exchangers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Tea And Coffee (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
AT83106094T 1983-06-22 1983-06-22 Wiedergewinnung von auf aktivkohle adsorbiertem coffein. ATE26718T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP83106094A EP0129609B1 (de) 1983-06-22 1983-06-22 Wiedergewinnung von auf Aktivkohle adsorbiertem Coffein

Publications (1)

Publication Number Publication Date
ATE26718T1 true ATE26718T1 (de) 1987-05-15

Family

ID=8190536

Family Applications (1)

Application Number Title Priority Date Filing Date
AT83106094T ATE26718T1 (de) 1983-06-22 1983-06-22 Wiedergewinnung von auf aktivkohle adsorbiertem coffein.

Country Status (2)

Country Link
EP (1) EP0129609B1 (de)
AT (1) ATE26718T1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1318811C (en) * 1986-05-30 1993-06-08 Louris Kaper Process for decaffeinating green coffee
DE4019559A1 (de) * 1989-10-13 1991-04-18 Mannesmann Ag Verfahren zur isolierung eines reinen, weissen koffeins
ATE180784T1 (de) * 1992-08-18 1999-06-15 Kraft Jacobs Suchard Ag Verfahren zur rückgewinnung von caffein aus aktivkohle
ES2127784T3 (es) * 1993-02-24 1999-05-01 Sara Lee De Nv Regeneracion simultanea de cafeina y carbon activo del cual se adsorbe por medio de disolventes organicos.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD78586A (de) *
US4298736A (en) * 1980-06-16 1981-11-03 General Foods Corporation Carbon-caffeine separation
ES512478A0 (es) * 1981-09-28 1983-03-01 Gen Foods Corp "mejoras introducidas en el objeto de la patente principal n 503.050, solicitada el 15 de junio de 1981, por:un procedimiento para recuperar cafeina desde carbono activado".
NL8104854A (nl) * 1981-10-27 1983-05-16 Douwe Egberts Tabaksfab Werkwijze voor het decaffeineren van groene koffiebonen.

Also Published As

Publication number Publication date
EP0129609A1 (de) 1985-01-02
EP0129609B1 (de) 1987-04-22

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee