ATE75474T1 - Verfahren zur abtrennung von koffein aus mit koffein beladener aktivkohle. - Google Patents

Verfahren zur abtrennung von koffein aus mit koffein beladener aktivkohle.

Info

Publication number: ATE75474T1
Authority: AT; Austria
Prior art keywords: caffeine; separation; active carbon; stream; loaded
Prior art date: 1985-03-27

Application number

AT86104147T

Other languages

English (en)

Inventor

Jochen Dr 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.)

1985-03-27

Filing date

1986-03-26

Publication date

1992-05-15

1986-03-26 Application filed by Hag Ag filed Critical Hag Ag

1992-05-15 Application granted granted Critical

1992-05-15 Publication of ATE75474T1 publication Critical patent/ATE75474T1/de

Links

RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 title abstract 8
LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 title abstract 4
229960001948 caffeine Drugs 0.000 title abstract 4
VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 title abstract 4
238000000034 method Methods 0.000 title abstract 2
239000003610 charcoal Substances 0.000 title 1
238000000926 separation method Methods 0.000 title 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 3
229910052799 carbon Inorganic materials 0.000 abstract 3
239000011261 inert gas Substances 0.000 abstract 2
238000010408 sweeping Methods 0.000 abstract 2
239000002245 particle Substances 0.000 abstract 1
238000010791 quenching Methods 0.000 abstract 1
230000000171 quenching effect Effects 0.000 abstract 1
239000007787 solid Substances 0.000 abstract 1

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)
Treating Waste Gases (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

AT86104147T 1985-03-27 1986-03-26 Verfahren zur abtrennung von koffein aus mit koffein beladener aktivkohle. ATE75474T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE3511129A DE3511129C2 (de)	1985-03-27	1985-03-27	Verfahren zur Abtrennung von Coffein von damit beladener Aktivkohle
EP86104147A EP0196615B1 (de)	1985-03-27	1986-03-26	Verfahren zur Abtrennung von Koffein aus mit Koffein beladener Aktivkohle

Publications (1)

Publication Number	Publication Date
ATE75474T1 true ATE75474T1 (de)	1992-05-15

Family

ID=6266501

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT86104147T ATE75474T1 (de)	1985-03-27	1986-03-26	Verfahren zur abtrennung von koffein aus mit koffein beladener aktivkohle.

Country Status (7)

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

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.
EP0580892B1 (de) *	1992-07-31	1997-11-26	Jacobs Suchard AG	Verfahren zur Rückgewinnung von Caffein aus Aktivkohle
DE69229344T2 (de) *	1992-08-18	1999-12-30	Kraft Jacobs Suchard Ag, Zuerich	Verfahren zur Rückgewinnung von Caffein aus Aktivkohle
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
EP0129610B1 (de) *	1983-06-22	1987-05-06	Hag Gf Aktiengesellschaft	Wiedergewinnung von mit Koffein beladener Aktivkohle mit heissem Wasser

1985
- 1985-03-27 DE DE3511129A patent/DE3511129C2/de not_active Expired - Fee Related
1986
- 1986-03-14 DK DK117786A patent/DK168868B1/da not_active IP Right Cessation
- 1986-03-24 US US06/842,848 patent/US4673743A/en not_active Expired - Lifetime
- 1986-03-26 CA CA000505238A patent/CA1261832A/en not_active Expired
- 1986-03-26 EP EP86104147A patent/EP0196615B1/de not_active Expired - Lifetime
- 1986-03-26 ES ES553471A patent/ES8704169A1/es not_active Expired
- 1986-03-26 DE DE8686104147T patent/DE3685049D1/de not_active Expired - Fee Related
- 1986-03-26 AT AT86104147T patent/ATE75474T1/de not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE3685049D1 (de)	1992-06-04
ES553471A0 (es)	1987-03-16
DK168868B1 (da)	1994-06-27
CA1261832A (en)	1989-09-26
DE3511129A1 (de)	1986-10-02
EP0196615A2 (de)	1986-10-08
DE3511129C2 (de)	1994-01-27
DK117786D0 (da)	1986-03-14
EP0196615A3 (en)	1988-11-09
DK117786A (da)	1986-09-28
ES8704169A1 (es)	1987-03-16
US4673743A (en)	1987-06-16
EP0196615B1 (de)	1992-04-29

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Legal Events

Date	Code	Title	Description
2003-12-15	REN	Ceased due to non-payment of the annual fee