DK117786A - Fremgangsmaade til separation af adsorberet koffein fra aktivt carbon - Google Patents

Fremgangsmaade til separation af adsorberet koffein fra aktivt carbon Download PDF

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Publication number
DK117786A
DK117786A DK117786A DK117786A DK117786A DK 117786 A DK117786 A DK 117786A DK 117786 A DK117786 A DK 117786A DK 117786 A DK117786 A DK 117786A DK 117786 A DK117786 A DK 117786A
Authority
DK
Denmark
Prior art keywords
carbon
coffee
adsorbed
separation
procedure
Prior art date
Application number
DK117786A
Other languages
English (en)
Other versions
DK168868B1 (da
DK117786D0 (da
Inventor
Jochen Wilkens
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
Publication of DK117786D0 publication Critical patent/DK117786D0/da
Publication of DK117786A publication Critical patent/DK117786A/da
Application granted granted Critical
Publication of DK168868B1 publication Critical patent/DK168868B1/da

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D473/00—Heterocyclic compounds containing purine ring systems
    • C07D473/02—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/04—Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06—Heterocyclic 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
    • C07D473/12—Heterocyclic 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Tea And Coffee (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Treating Waste Gases (AREA)
DK117786A 1985-03-27 1986-03-14 Fremgangsmåde til separation af adsorberet koffein fra aktivt carbon DK168868B1 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3511129 1985-03-27
DE3511129A DE3511129C2 (de) 1985-03-27 1985-03-27 Verfahren zur Abtrennung von Coffein von damit beladener Aktivkohle

Publications (3)

Publication Number Publication Date
DK117786D0 DK117786D0 (da) 1986-03-14
DK117786A true DK117786A (da) 1986-09-28
DK168868B1 DK168868B1 (da) 1994-06-27

Family

ID=6266501

Family Applications (1)

Application Number Title Priority Date Filing Date
DK117786A DK168868B1 (da) 1985-03-27 1986-03-14 Fremgangsmåde til separation af adsorberet koffein fra aktivt carbon

Country Status (7)

Country Link
US (1) US4673743A (da)
EP (1) EP0196615B1 (da)
AT (1) ATE75474T1 (da)
CA (1) CA1261832A (da)
DE (2) DE3511129C2 (da)
DK (1) DK168868B1 (da)
ES (1) ES8704169A1 (da)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8602012A (nl) * 1986-08-06 1988-03-01 Douwe Egberts Tabaksfab Werkwijze voor het winnen van caffeine geadsorbeerd aan actieve kool.
ES2111021T3 (es) * 1992-07-31 1998-03-01 Jacobs Suchard Ag Procedimiento de recuperacion de cafeina a partir de carbon activo.
DK0583498T3 (da) * 1992-08-18 1999-11-15 Kraft Jacobs Suchard Ag Forbedret koffeingenvinding fra aktivt carbon
US5260437A (en) * 1992-11-24 1993-11-09 Pepsico, Inc. Recovery of caffeine from tea trimmings and vegetable wastes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2933454A (en) * 1955-11-14 1960-04-19 Pittsburgh Coke & Chemical Co Reactivation of spent adsorbent carbon
DE2212281C3 (de) * 1972-03-14 1978-11-18 Hag Ag Verfahren zur entcoffeinierung von rohkaffee
FR2464744A1 (fr) * 1979-09-12 1981-03-20 Ceag Verfahrenstechnik Gmbh Procede et installation pour la regeneration thermique de produits adsorbants charges
US4298736A (en) * 1980-06-16 1981-11-03 General Foods Corporation Carbon-caffeine separation
US4540784A (en) * 1983-04-18 1985-09-10 Hag Gf Aktiengesellschaft Recovery of caffeine adsorbed to activated carbon
ATE26981T1 (de) * 1983-06-22 1987-05-15 Hag Ag Wiedergewinnung von mit koffein beladener aktivkohle mit heissem wasser.

Also Published As

Publication number Publication date
CA1261832A (en) 1989-09-26
DE3511129C2 (de) 1994-01-27
ES553471A0 (es) 1987-03-16
EP0196615A2 (en) 1986-10-08
EP0196615B1 (en) 1992-04-29
DE3685049D1 (de) 1992-06-04
ES8704169A1 (es) 1987-03-16
EP0196615A3 (en) 1988-11-09
DE3511129A1 (de) 1986-10-02
US4673743A (en) 1987-06-16
ATE75474T1 (de) 1992-05-15
DK168868B1 (da) 1994-06-27
DK117786D0 (da) 1986-03-14

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Date Code Title Description
B1 Patent granted (law 1993)
PBP Patent lapsed

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