ATE180784T1 - Verfahren zur rückgewinnung von caffein aus aktivkohle - Google Patents
Verfahren zur rückgewinnung von caffein aus aktivkohleInfo
- Publication number
- ATE180784T1 ATE180784T1 AT92114065T AT92114065T ATE180784T1 AT E180784 T1 ATE180784 T1 AT E180784T1 AT 92114065 T AT92114065 T AT 92114065T AT 92114065 T AT92114065 T AT 92114065T AT E180784 T1 ATE180784 T1 AT E180784T1
- Authority
- AT
- Austria
- Prior art keywords
- caffeine
- recovering
- caffein
- activated carbon
- activated charcoal
- Prior art date
Links
- RYYVLZVUVIJVGH-UHFFFAOYSA-N caffeine Chemical compound CN1C(=O)N(C)C(=O)C2=C1N=CN2C RYYVLZVUVIJVGH-UHFFFAOYSA-N 0.000 title abstract 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract 8
- 238000000034 method Methods 0.000 title abstract 2
- LPHGQDQBBGAPDZ-UHFFFAOYSA-N Isocaffeine Natural products CN1C(=O)N(C)C(=O)C2=C1N(C)C=N2 LPHGQDQBBGAPDZ-UHFFFAOYSA-N 0.000 abstract 6
- 229960001948 caffeine Drugs 0.000 abstract 6
- VJEONQKOZGKCAK-UHFFFAOYSA-N caffeine Natural products CN1C(=O)N(C)C(=O)C2=C1C=CN2C VJEONQKOZGKCAK-UHFFFAOYSA-N 0.000 abstract 6
- LRFVTYWOQMYALW-UHFFFAOYSA-N 9H-xanthine Chemical class O=C1NC(=O)NC2=C1NC=N2 LRFVTYWOQMYALW-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 239000000872 buffer Substances 0.000 abstract 1
- 239000008139 complexing agent Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 abstract 1
- 229940083747 low-ceiling diuretics xanthine derivative Drugs 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
- A23F5/00—Coffee; Coffee substitutes; Preparations thereof
- A23F5/20—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
- A23F5/22—Reducing or removing alkaloid content from coffee extract
- A23F5/223—Reducing or removing alkaloid content from coffee extract using flocculating, precipitating, adsorbing or complex-forming agents, or ion-exchangers
-
- 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)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Carbon And Carbon Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Transceivers (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP92114065A EP0583498B1 (de) | 1992-08-18 | 1992-08-18 | Verfahren zur Rückgewinnung von Caffein aus Aktivkohle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE180784T1 true ATE180784T1 (de) | 1999-06-15 |
Family
ID=8209922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT92114065T ATE180784T1 (de) | 1992-08-18 | 1992-08-18 | Verfahren zur rückgewinnung von caffein aus aktivkohle |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5399688A (de) |
| EP (1) | EP0583498B1 (de) |
| AT (1) | ATE180784T1 (de) |
| CA (1) | CA2100694A1 (de) |
| DE (1) | DE69229344T2 (de) |
| DK (1) | DK0583498T3 (de) |
| ES (1) | ES2136067T3 (de) |
| GR (1) | GR3030717T3 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201104311D0 (en) * | 2011-03-15 | 2011-04-27 | British American Tobacco Co | Method and apparatus for impregnating tobacco industry products with sensate constituents of botanicals |
| GB202012338D0 (en) * | 2020-08-07 | 2020-09-23 | Givaudan Sa | Extraction method |
Family Cites Families (10)
| 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". |
| US4548827A (en) * | 1982-03-30 | 1985-10-22 | General Foods Corporation | Separate recovery of caffeine and coffee solids adsorbed on activated carbon |
| US4540784A (en) * | 1983-04-18 | 1985-09-10 | Hag Gf Aktiengesellschaft | Recovery of caffeine adsorbed to activated carbon |
| EP0129609B1 (de) * | 1983-06-22 | 1987-04-22 | Hag Gf Aktiengesellschaft | Wiedergewinnung von auf Aktivkohle adsorbiertem Coffein |
| DE3511129C2 (de) * | 1985-03-27 | 1994-01-27 | Hag Gf Ag | Verfahren zur Abtrennung von Coffein von damit beladener Aktivkohle |
| CA1318811C (en) * | 1986-05-30 | 1993-06-08 | Louris Kaper | Process for decaffeinating green coffee |
| CA1301754C (en) * | 1986-05-30 | 1992-05-26 | Louris Kaper | Process for recovering caffeine absorbed in activated carbon, and a process for decaffeinating coffee |
| NL8602012A (nl) * | 1986-08-06 | 1988-03-01 | Douwe Egberts Tabaksfab | Werkwijze voor het winnen van caffeine geadsorbeerd aan actieve kool. |
-
1992
- 1992-08-18 DE DE69229344T patent/DE69229344T2/de not_active Expired - Fee Related
- 1992-08-18 EP EP92114065A patent/EP0583498B1/de not_active Expired - Lifetime
- 1992-08-18 ES ES92114065T patent/ES2136067T3/es not_active Expired - Lifetime
- 1992-08-18 DK DK92114065T patent/DK0583498T3/da active
- 1992-08-18 AT AT92114065T patent/ATE180784T1/de not_active IP Right Cessation
-
1993
- 1993-07-15 US US08/092,340 patent/US5399688A/en not_active Expired - Fee Related
- 1993-07-16 CA CA002100694A patent/CA2100694A1/en not_active Abandoned
-
1999
- 1999-07-07 GR GR990401800T patent/GR3030717T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0583498B1 (de) | 1999-06-02 |
| DE69229344D1 (de) | 1999-07-08 |
| CA2100694A1 (en) | 1994-02-19 |
| EP0583498A1 (de) | 1994-02-23 |
| DK0583498T3 (da) | 1999-11-15 |
| ES2136067T3 (es) | 1999-11-16 |
| GR3030717T3 (en) | 1999-11-30 |
| DE69229344T2 (de) | 1999-12-30 |
| US5399688A (en) | 1995-03-21 |
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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 |