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

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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

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
DD78586D DD78586A (en)

Publications (1)

Publication Number Publication Date
DD78586A true DD78586A (en)

Family

ID=265833

Family Applications (1)

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

Country Status (1)

Country Link
DD (1) DD78586A (en)

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 (en) * 1980-05-28 1982-04-15 Société des Produits Nestlé S.A., 1800 Vevey "METHOD FOR SEPARATING CAFFEINE FROM AN AQUEOUS SOLUTION"
EP0076620A2 (en) * 1981-09-28 1983-04-13 General Foods Corporation Process for recovering caffeine from activated carbon
DE3213636A1 (en) * 1982-04-13 1983-10-20 HAG GF AG, 2800 Bremen Recovery of caffeine adsorbed on active carbon
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 (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3119277A1 (en) * 1980-05-28 1982-04-15 Société des Produits Nestlé S.A., 1800 Vevey "METHOD FOR SEPARATING CAFFEINE FROM AN AQUEOUS SOLUTION"
EP0042295A1 (en) * 1980-06-16 1981-12-23 General Foods Corporation Carbon-caffeine separation
EP0076620A2 (en) * 1981-09-28 1983-04-13 General Foods Corporation Process for recovering caffeine from activated carbon
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 (en) * 1982-04-13 1983-10-20 HAG GF AG, 2800 Bremen Recovery of caffeine adsorbed on active carbon
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

Similar Documents

Publication Publication Date Title
US4298736A (en) Carbon-caffeine separation
US4885181A (en) Process for decaffeinating green coffee
EP0076620B2 (en) Process for recovering caffeine from activated carbon
EP0251364B1 (en) A process for recovering cafeine absorbed in activated carbon, and a process for decaffeinating coffee
EP0129609B1 (en) Recovery of caffeine adsorbed to activated carbon
DD78586A (en)