DK117786D0 - Fremgangsmaade til separation af adsorberet koffein fra aktivt carbon - Google Patents

Fremgangsmaade til separation af adsorberet koffein fra aktivt carbon

Info

Publication number: DK117786D0
Authority: DK; Denmark
Prior art keywords: carbon; coffee; adsorbed; separation; procedure
Prior art date: 1985-03-27

Application number

DK117786A

Other languages

English (en)

Other versions

DK168868B1 (da

DK117786A (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.)

1985-03-27

Filing date

1986-03-14

Publication date

1986-03-14

1986-03-14 Application filed by Hag Ag filed Critical Hag Ag

1986-03-14 Publication of DK117786D0 publication Critical patent/DK117786D0/da

1986-09-28 Publication of DK117786A publication Critical patent/DK117786A/da

1994-06-27 Application granted granted Critical

1994-06-27 Publication of DK168868B1 publication Critical patent/DK168868B1/da

Links

OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract 4
229910052799 carbon Inorganic materials 0.000 title abstract 4
238000000034 method Methods 0.000 title abstract 2
238000000926 separation method Methods 0.000 title 1
RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 abstract 6
LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 abstract 3
229960001948 caffeine Drugs 0.000 abstract 3
VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 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)
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
DE3511129A DE3511129C2 (de)	1985-03-27	1985-03-27	Verfahren zur Abtrennung von Coffein von damit beladener Aktivkohle
DE3511129		1985-03-27

Publications (3)

Publication Number	Publication Date
DK117786D0 true DK117786D0 (da)	1986-03-14
DK117786A 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.
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 (en) *	1983-06-22	1987-05-06	Hag Gf Aktiengesellschaft	Regeneration of caffeine-loaded activated carbon with hot water

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 AT AT86104147T patent/ATE75474T1/de not_active IP Right Cessation
- 1986-03-26 DE DE8686104147T patent/DE3685049D1/de not_active Expired - Fee Related
- 1986-03-26 CA CA000505238A patent/CA1261832A/en not_active Expired
- 1986-03-26 EP EP86104147A patent/EP0196615B1/en not_active Expired - Lifetime
- 1986-03-26 ES ES553471A patent/ES8704169A1/es not_active Expired

Also Published As

Publication number	Publication date
ES553471A0 (es)	1987-03-16
EP0196615B1 (en)	1992-04-29
ATE75474T1 (de)	1992-05-15
CA1261832A (en)	1989-09-26
US4673743A (en)	1987-06-16
ES8704169A1 (es)	1987-03-16
DE3511129A1 (de)	1986-10-02
EP0196615A3 (en)	1988-11-09
DK168868B1 (da)	1994-06-27
EP0196615A2 (en)	1986-10-08
DK117786A (da)	1986-09-28
DE3511129C2 (de)	1994-01-27
DE3685049D1 (de)	1992-06-04

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Legal Events

Date	Code	Title	Description
1994-06-27	B1	Patent granted (law 1993)
2003-10-27	PBP	Patent lapsed	Country of ref document: DK