AT313039B - Verfahren zur Gewinnung von Coffein aus Rohkaffee - Google Patents

Verfahren zur Gewinnung von Coffein aus Rohkaffee

Info

Publication number
AT313039B
AT313039B AT400371A AT400371A AT313039B AT 313039 B AT313039 B AT 313039B AT 400371 A AT400371 A AT 400371A AT 400371 A AT400371 A AT 400371A AT 313039 B AT313039 B AT 313039B
Authority
AT
Austria
Prior art keywords
green coffee
caffeine
obtaining
obtaining caffeine
coffee
Prior art date
Application number
AT400371A
Other languages
English (en)
Original Assignee
Studiengesellschaft Kohle Mbh
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=3558332&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AT313039(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Studiengesellschaft Kohle Mbh filed Critical Studiengesellschaft Kohle Mbh
Priority to AT400371A priority Critical patent/AT313039B/de
Priority to DE2221560A priority patent/DE2221560C3/de
Priority to US00249809A priority patent/US3806619A/en
Application granted granted Critical
Publication of AT313039B publication Critical patent/AT313039B/de

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
    • A23F5/206—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof by extraction of the beans with selective solvents other than water or aqueous bean extracts, including supercritical gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0203—Solvent extraction of solids with a supercritical fluid
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/54—Improvements relating to the production of bulk chemicals using solvents, e.g. supercritical solvents or ionic liquids
AT400371A 1971-05-07 1971-05-07 Verfahren zur Gewinnung von Coffein aus Rohkaffee AT313039B (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT400371A AT313039B (de) 1971-05-07 1971-05-07 Verfahren zur Gewinnung von Coffein aus Rohkaffee
DE2221560A DE2221560C3 (de) 1971-05-07 1972-05-03 Verfahren zur Gewinnung von Coffein aus Rohkaffee
US00249809A US3806619A (en) 1971-05-07 1972-05-03 Process for recovering caffeine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT400371A AT313039B (de) 1971-05-07 1971-05-07 Verfahren zur Gewinnung von Coffein aus Rohkaffee

Publications (1)

Publication Number Publication Date
AT313039B true AT313039B (de) 1974-01-25

Family

ID=3558332

Family Applications (1)

Application Number Title Priority Date Filing Date
AT400371A AT313039B (de) 1971-05-07 1971-05-07 Verfahren zur Gewinnung von Coffein aus Rohkaffee

Country Status (3)

Country Link
US (1) US3806619A (de)
AT (1) AT313039B (de)
DE (1) DE2221560C3 (de)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH535543A (de) * 1970-02-05 1973-04-15 Studiengesellschaft Kohle Mbh Verfahren zur Entcoffeinierung von Rohkaffee
DE2106133C3 (de) * 1971-02-10 1978-12-14 Studiengesellschaft Kohle Mbh, 4330 Muelheim Verfahren zur Gewinnung von Aromabestandteile enthaltendem Kaffeeöl aus Röstkaffee
US4167589A (en) * 1971-06-03 1979-09-11 Otto Vitzthum Method for the manufacture of caffeine free black tea
DE2340566C2 (de) * 1973-08-10 1985-11-07 Peter, Siegfried, Prof.Dr., 8520 Erlangen Verfahren zur Trennung von Komponenten von Stoffgemischen mit niedrigem Dampfdruck mit Hilfe eines komprimierten Gases unter überkritischen Bedingungen und einer weiteren, den Trenneffekt beeinflussenden Substanz
DE2634535C3 (de) * 1976-07-31 1982-04-22 Kaffee-Veredelungs-Werk Koffeinfrei Kaffee Gmbh & Co, 2000 Hamburg Verfahren zur Entcoffeinierung von Rohkaffee
US4247570A (en) * 1976-08-04 1981-01-27 Studiengesellschaft Kohle Mbh Process for the decaffeination of coffee
DE2637197C2 (de) * 1976-08-18 1983-01-27 Hag Ag, 2800 Bremen Verfahren zum Entzug von Coffein aus coffeinhaltigen Naturstoffen mit einem überkritischen Extraktionsmittel
DE2639066A1 (de) * 1976-08-30 1978-03-02 Hag Ag Verfahren zur entfernung von reizstoffen aus kaffee
GB1557123A (en) * 1977-04-29 1979-12-05 Distillers Co Carbon Dioxide Method and apparatus for reparing extracts of hops and other materials
DE2727191B2 (de) * 1977-06-16 1980-07-03 Hag Ag, 2800 Bremen Verfahren zur selektiven Extraktion von Coffein aus pflanzlichen Materialien
US4348422A (en) * 1978-02-13 1982-09-07 Studiengesellschaft Kohle M.B.H. Process for the direct decaffeination of aqueous coffee extract solutions
US4322445A (en) * 1978-08-14 1982-03-30 Siegfried Peter Process for decaffeinating coffee
DE2846976C3 (de) * 1978-10-28 1982-05-06 Fried. Krupp Gmbh, 4300 Essen Verfahren zur Entcoffeinierung von Rohkaffee
EP0010636A1 (de) * 1978-11-06 1980-05-14 Societe Des Produits Nestle S.A. Coffein-Extraktion
US4276315A (en) * 1979-02-12 1981-06-30 General Foods Corporation Method for decaffeinating coffee
US4349415A (en) * 1979-09-28 1982-09-14 Critical Fluid Systems, Inc. Process for separating organic liquid solutes from their solvent mixtures
US4375387A (en) * 1979-09-28 1983-03-01 Critical Fluid Systems, Inc. Apparatus for separating organic liquid solutes from their solvent mixtures
US4306058A (en) * 1980-11-19 1981-12-15 E. I. Du Pont De Nemours And Company Method for reducing oligomeric cyclic ether content of a polymerizate
US4861607A (en) * 1981-03-20 1989-08-29 Nestec S. A. Removal of xanthine stimulants from cocoa
DE3213592A1 (de) * 1982-04-13 1983-10-20 HAG GF AG, 2800 Bremen Regenerierung coffeinbeladener aktivkohle mit heissem wasser
DE3318317A1 (de) * 1983-05-19 1984-11-22 Technica Entwicklung Verfahren und vorrichtung zum aufschliessen und extrahieren von aetherische bestandteile aufweisenden stoffen aus natuerlichen produkten, wie heilgewaechsen, gewuerzen, kaffee, tee oder dgl.
US4515695A (en) * 1983-11-28 1985-05-07 E.I. Du Pont De Nemours And Company Extraction of substances from aqueous solution
JPS61155264A (ja) * 1984-12-26 1986-07-14 住友重機械工業株式会社 液化した流体により成形体中のバインダ−を除去する方法
US4714526A (en) * 1985-06-10 1987-12-22 The University Of Rochester Supercritical fluid extraction method for multi-component systems
US4820537A (en) * 1987-03-13 1989-04-11 General Foods Corporation Method for decaffeinating coffee with a supercritical fluid
US4848918A (en) * 1988-08-04 1989-07-18 Cf Systems Corporation Mixing apparatus
US5266342A (en) * 1988-08-05 1993-11-30 Kraft General Foods, Inc. Method for decaffeinating coffee materials including a reverse osmosis permeate recycle
US4911941A (en) * 1988-08-05 1990-03-27 General Foods Corporation Method for decaffeinating coffee with a supercritical fluid
US4951561A (en) * 1989-06-06 1990-08-28 Kraft General Foods, Inc. Apparatus for fluid-solid bed processing
DE4400096C2 (de) * 1994-01-04 1997-06-12 Barth Raiser Hopfenextraktion Verfahren zur Entcoffeinierung von schwarzem Tee
CA2181984C (en) 1994-01-31 2000-06-13 Rajan S. Bawa Treatment of contact lenses with supercritical fluid
US5607518A (en) * 1995-02-22 1997-03-04 Ciba Geigy Corporation Methods of deblocking, extracting and cleaning polymeric articles with supercritical fluids
US6294194B1 (en) 1997-10-14 2001-09-25 Boehringer Ingelheim Pharmaceuticals, Inc. Method for extraction and reaction using supercritical fluids
US7923039B2 (en) 2005-01-05 2011-04-12 Yulex Corporation Biopolymer extraction from plant materials
US7259231B2 (en) 2004-10-12 2007-08-21 Yulex Corporation Extraction and fractionation of biopolymers and resins from plant materials

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1640648A (en) * 1925-11-02 1927-08-30 Cross Roy Method of treating coffee
FR675258A (fr) * 1928-05-18 1930-02-07 Industrikemiska Ab Procédé et dispositif d'évaporation
US2032087A (en) * 1930-02-06 1936-02-25 Industrikemiska Ab Means for evaporation
US2042488A (en) * 1932-08-12 1936-06-02 Chem Ind Basel Process for evaporating liquids
US2342419A (en) * 1939-08-30 1944-02-22 Martin Henry Arthur Method of concentrating dehydrating solutions
DK70637C (da) * 1946-04-24 1950-02-20 Rolf Andersen Fremgangsmåde og anlæg til destillation af vand.
DE1493190C3 (de) * 1963-04-16 1980-10-16 Studiengesellschaft Kohle Mbh, 4330 Muelheim Verfahren zur Trennung von Stoffgemischen
US3345272A (en) * 1965-05-14 1967-10-03 Richard A Collins Multiple effect purification of contaminated fluids by direct gaseous flow contact
DE2005293C3 (de) * 1970-02-05 1974-01-10 Studiengesellschaft Kohle Mbh, 4330 Muelheim Verfahren zur Entcoffeinierung von Rohkaffee
AT290962B (de) * 1970-02-12 1971-06-25 Studiengesellschaft Kohle Mbh Verfahren zur Entcoffeinierung von Kaffee

Also Published As

Publication number Publication date
US3806619A (en) 1974-04-23
DE2221560B2 (de) 1980-10-09
DE2221560C3 (de) 1984-08-30
DE2221560A1 (de) 1972-11-30

Similar Documents

Publication Publication Date Title
AT313039B (de) Verfahren zur Gewinnung von Coffein aus Rohkaffee
CH535543A (de) Verfahren zur Entcoffeinierung von Rohkaffee
AT319722B (de) Verfahren zur Herstellung von coffeinfreiem Kaffee-Extrakt
AT327662B (de) Verfahren zur entcoffeinierung von rohkaffee
AT321086B (de) Verfahren zur Gewinnung von Aromabestandteile enthaltendem Kaffeeöl aus Röstkaffee
AT313834B (de) Verfahren zur Gewinnung von Hopfenextrakten
CH535193A (de) Verfahren zur Herstellung von Carbonylverbindungen
AT321705B (de) Verfahren zur Herstellung von eßbaren Kapseln
AT313296B (de) Verfahren zur Abscheidung von Lactamen
AT310541B (de) Verfahren zur Herstellung von gepufftem Instantkaffee
AT329366B (de) Verfahren zur herstellung von kaffee-extrakt
LU66674A1 (de) Verfahren zur fuellfaehigkeitsverbesserung von tabak
CH538294A (de) Verfahren zur Ausscheidung von gelösten Stoffen aus Lösungen
AT321085B (de) Verfahren zur Gewinnung von Kakaobutter
AT290962B (de) Verfahren zur Entcoffeinierung von Kaffee
AT317443B (de) Verfahren zur Gewinnung von Hellebrin
AT292704B (de) Verfahren zur Herstellung von neuen 4-(Pyridyl)-tetrahydropyranen, -tetrahydrothiopyranen oder -piperidinen
AT328092B (de) Verfahren zur gewinnung von reinem hellebrin
AT261377B (de) Verfahren zur Herstellung von Kaffee-Extraktpulver
AT272056B (de) Verfahren zur Herstellung von Instantkaffee
CH540680A (de) Vorrichtung zur Zubereitung von Irish-Coffee
AT342320B (de) Verfahren zur gewinnung von vanadin aus ferrophosphor
AT318808B (de) Verfahren zur Extraktion von Cephalosporin C-Produkten
AT349872B (de) Verfahren zur entcoffeinierung von kaffee
AT336985B (de) Verfahren zur zerkleinerung von gerosteten kaffeebohnen

Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee