DE69223317T2 - Verfahren zur Rückgewinnung von Caffein aus Aktivkohle - Google Patents

Verfahren zur Rückgewinnung von Caffein aus Aktivkohle

Info

Publication number
DE69223317T2
DE69223317T2 DE69223317T DE69223317T DE69223317T2 DE 69223317 T2 DE69223317 T2 DE 69223317T2 DE 69223317 T DE69223317 T DE 69223317T DE 69223317 T DE69223317 T DE 69223317T DE 69223317 T2 DE69223317 T2 DE 69223317T2
Authority
DE
Germany
Prior art keywords
caffeine
activated carbon
inert gas
recovery
temperature
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE69223317T
Other languages
English (en)
Other versions
DE69223317D1 (de
Inventor
Stefan Sipos
Gary Jones
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kraft Foods Schweiz Holding GmbH
Original Assignee
Jacobs Suchard 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 Jacobs Suchard AG filed Critical Jacobs Suchard AG
Publication of DE69223317D1 publication Critical patent/DE69223317D1/de
Application granted granted Critical
Publication of DE69223317T2 publication Critical patent/DE69223317T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE69223317T 1992-07-31 1992-07-31 Verfahren zur Rückgewinnung von Caffein aus Aktivkohle Expired - Fee Related DE69223317T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP92113069A EP0580892B1 (de) 1992-07-31 1992-07-31 Verfahren zur Rückgewinnung von Caffein aus Aktivkohle

Publications (2)

Publication Number Publication Date
DE69223317D1 DE69223317D1 (de) 1998-01-08
DE69223317T2 true DE69223317T2 (de) 1998-06-18

Family

ID=8209860

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69223317T Expired - Fee Related DE69223317T2 (de) 1992-07-31 1992-07-31 Verfahren zur Rückgewinnung von Caffein aus Aktivkohle

Country Status (8)

Country Link
US (1) US5371221A (de)
EP (1) EP0580892B1 (de)
AT (1) ATE160565T1 (de)
CA (1) CA2100696A1 (de)
DE (1) DE69223317T2 (de)
DK (1) DK0580892T3 (de)
ES (1) ES2111021T3 (de)
GR (1) GR3026057T3 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050279696A1 (en) * 2001-08-23 2005-12-22 Bahm Jeannine R Water filter materials and water filters containing a mixture of microporous and mesoporous carbon particles
US7614507B2 (en) 2001-08-23 2009-11-10 Pur Water Purification Products Inc. Water filter materials, water filters and kits containing particles coated with cationic polymer and processes for using the same
KR100777951B1 (ko) 2001-08-23 2007-11-28 더 프록터 앤드 갬블 캄파니 정수 필터 재료, 대응하는 정수 필터 및 그의 사용 방법
US7615152B2 (en) * 2001-08-23 2009-11-10 Pur Water Purification Products, Inc. Water filter device
US7614508B2 (en) 2001-08-23 2009-11-10 Pur Water Purification Products Inc. Water filter materials, water filters and kits containing silver coated particles and processes for using the same
US7618406B2 (en) 2007-01-22 2009-11-17 Baxter International, Inc. Break seal before access dual chamber bag
CN103242313B (zh) * 2013-05-29 2015-04-01 石药集团新诺威制药股份有限公司 一种茶钠母液的回收处理方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3511129C2 (de) * 1985-03-27 1994-01-27 Hag Gf Ag Verfahren zur Abtrennung von Coffein von damit beladener Aktivkohle

Also Published As

Publication number Publication date
DK0580892T3 (da) 1998-01-26
DE69223317D1 (de) 1998-01-08
CA2100696A1 (en) 1994-02-01
ES2111021T3 (es) 1998-03-01
EP0580892B1 (de) 1997-11-26
US5371221A (en) 1994-12-06
EP0580892A1 (de) 1994-02-02
GR3026057T3 (en) 1998-05-29
ATE160565T1 (de) 1997-12-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee