DD78586A - - Google Patents

Info

Publication number
DD78586A
DD78586A DD78586DA DD78586A DD 78586 A DD78586 A DD 78586A DD 78586D A DD78586D A DD 78586DA DD 78586 A DD78586 A DD 78586A
Authority
DD
German Democratic Republic
Application number
Publication of DD78586A publication Critical patent/DD78586A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D473/00Heterocyclic compounds containing purine ring systems
    • C07D473/02Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6
    • C07D473/04Heterocyclic compounds containing purine ring systems with oxygen, sulphur, or nitrogen atoms directly attached in positions 2 and 6 two oxygen atoms
    • C07D473/06Heterocyclic 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
    • C07D473/12Heterocyclic 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)
DD78586D DD78586A (en, 2012)

Publications (1)

Publication Number Publication Date
DD78586A true DD78586A (en, 2012)

Family

ID=265833

Family Applications (1)

Application Number Title Priority Date Filing Date
DD78586D DD78586A (en, 2012)

Country Status (1)

Country Link
DD (1) DD78586A (en, 2012)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0042295A1 (en) * 1980-06-16 1981-12-23 General Foods Corporation Carbon-caffeine separation
DE3119277A1 (de) * 1980-05-28 1982-04-15 Société des Produits Nestlé S.A., 1800 Vevey "verfahren zum abtrennen von koffein aus einer waessrigen loesung"
EP0076620A3 (en) * 1981-09-28 1983-07-27 General Foods Corporation Process for recovering caffeine from activated carbon
DE3213636A1 (de) * 1982-04-13 1983-10-20 HAG GF AG, 2800 Bremen Wiedergewinnung von auf aktivkohle adsorbiertem coffein
EP0129609A1 (en) * 1983-06-22 1985-01-02 Hag Gf Aktiengesellschaft Recovery of caffeine adsorbed to activated carbon
US4513136A (en) * 1981-09-28 1985-04-23 General Foods Corporation Process for recovering caffeine from activated carbon
US4540784A (en) * 1983-04-18 1985-09-10 Hag Gf Aktiengesellschaft Recovery of caffeine adsorbed to activated carbon
US4548827A (en) * 1982-03-30 1985-10-22 General Foods Corporation Separate recovery of caffeine and coffee solids adsorbed on activated carbon
EP0248482A1 (en) * 1986-05-30 1987-12-09 Douwe Egberts Koninklijke Tabaksfabriek- Koffiebranderijen-Theehandel N.V. A process for decaffeinating green coffee
EP0251364B1 (en) * 1986-05-30 1990-09-26 Douwe Egberts Koninklijke Tabaksfabriek- Koffiebranderijen-Theehandel N.V. A process for recovering cafeine absorbed in activated carbon, and a process for decaffeinating coffee
EP0583498A1 (en) * 1992-08-18 1994-02-23 Jacobs Suchard AG Improved caffeine recovery from activated carbon

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3119277A1 (de) * 1980-05-28 1982-04-15 Société des Produits Nestlé S.A., 1800 Vevey "verfahren zum abtrennen von koffein aus einer waessrigen loesung"
EP0042295A1 (en) * 1980-06-16 1981-12-23 General Foods Corporation Carbon-caffeine separation
EP0076620A3 (en) * 1981-09-28 1983-07-27 General Foods Corporation Process for recovering caffeine from activated carbon
US4513136A (en) * 1981-09-28 1985-04-23 General Foods Corporation Process for recovering caffeine from activated carbon
US4548827A (en) * 1982-03-30 1985-10-22 General Foods Corporation Separate recovery of caffeine and coffee solids adsorbed on activated carbon
DE3213636A1 (de) * 1982-04-13 1983-10-20 HAG GF AG, 2800 Bremen Wiedergewinnung von auf aktivkohle adsorbiertem coffein
US4540784A (en) * 1983-04-18 1985-09-10 Hag Gf Aktiengesellschaft Recovery of caffeine adsorbed to activated carbon
EP0129609A1 (en) * 1983-06-22 1985-01-02 Hag Gf Aktiengesellschaft Recovery of caffeine adsorbed to activated carbon
EP0248482A1 (en) * 1986-05-30 1987-12-09 Douwe Egberts Koninklijke Tabaksfabriek- Koffiebranderijen-Theehandel N.V. A process for decaffeinating green coffee
EP0251364B1 (en) * 1986-05-30 1990-09-26 Douwe Egberts Koninklijke Tabaksfabriek- Koffiebranderijen-Theehandel N.V. A process for recovering cafeine absorbed in activated carbon, and a process for decaffeinating coffee
EP0583498A1 (en) * 1992-08-18 1994-02-23 Jacobs Suchard AG Improved caffeine recovery from activated carbon

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Publication Publication Date Title
CA1162436A (en) Caffeine adsorption
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US4885181A (en) Process for decaffeinating green coffee
EP0076620B2 (en) Process for recovering caffeine from activated carbon
CA1301754C (en) Process for recovering caffeine absorbed in activated carbon, and a process for decaffeinating coffee
EP0129609B1 (en) Recovery of caffeine adsorbed to activated carbon
US5399688A (en) Caffeine recovery from activated carbon
DE3213636A1 (de) Wiedergewinnung von auf aktivkohle adsorbiertem coffein
DD78586A (en, 2012)