WO2002089945A3 - Processes and apparatus for extraction of active substances and enriched extracts from natural products - Google Patents

Processes and apparatus for extraction of active substances and enriched extracts from natural products Download PDF

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Publication number
WO2002089945A3
WO2002089945A3 PCT/GB2002/002099 GB0202099W WO02089945A3 WO 2002089945 A3 WO2002089945 A3 WO 2002089945A3 GB 0202099 W GB0202099 W GB 0202099W WO 02089945 A3 WO02089945 A3 WO 02089945A3
Authority
WO
WIPO (PCT)
Prior art keywords
natural products
extraction
processes
active substances
extracts
Prior art date
Application number
PCT/GB2002/002099
Other languages
French (fr)
Other versions
WO2002089945A2 (en
Inventor
Brian Whittle
Geoffrey Guy
David Downs
Original Assignee
Gw Pharma Ltd
Brian Whittle
Geoffrey Guy
David Downs
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
Priority to US10/476,718 priority Critical patent/US7622140B2/en
Priority to EP02724458A priority patent/EP1385595B1/en
Priority to IL15870902A priority patent/IL158709A0/en
Priority to AT02724458T priority patent/ATE555833T1/en
Priority to AU2002255150A priority patent/AU2002255150B2/en
Priority to CA002446195A priority patent/CA2446195C/en
Priority to JP2002587072A priority patent/JP2004526798A/en
Priority to NZ529360A priority patent/NZ529360A/en
Application filed by Gw Pharma Ltd, Brian Whittle, Geoffrey Guy, David Downs filed Critical Gw Pharma Ltd
Publication of WO2002089945A2 publication Critical patent/WO2002089945A2/en
Publication of WO2002089945A3 publication Critical patent/WO2002089945A3/en
Priority to IL158709A priority patent/IL158709A/en
Priority to HK04105745.3A priority patent/HK1062901A1/en
Priority to US12/618,347 priority patent/US9034395B2/en
Priority to US14/674,098 priority patent/US10195159B2/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/045—Hydroxy compounds, e.g. alcohols; Salts thereof, e.g. alcoholates
    • A61K31/05—Phenols
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00—Medicinal preparations containing organic active ingredients
    • A61K31/33—Heterocyclic compounds
    • A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
    • A61K31/35—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom
    • A61K31/352—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having six-membered rings with one oxygen as the only ring hetero atom condensed with carbocyclic rings, e.g. methantheline 
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K36/00—Medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicines
    • A61K36/18—Magnoliophyta (angiosperms)
    • A61K36/185—Magnoliopsida (dicotyledons)
    • 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
    • B01D11/0215—Solid material in other stationary receptacles
    • B01D11/0223—Moving bed of solid material
    • B01D11/0242—Moving bed of solid material in towers, e.g. comprising contacting elements
    • 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
    • B01D11/0269—Solid material in other moving receptacles
    • B01D11/0273—Solid material in other moving receptacles in rotating drums
    • 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
    • B01D11/028—Flow sheets
    • 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
    • B01D11/0288—Applications, solvents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D2011/007—Extraction using a solvent in the gas phase

Abstract

Processes for preparing extracts of natural products such as plant material, and for preparing purified extracts from crude extracts of natural products, by extraction with hot gas. Apparatus suitable for use in preparing extracts of natural products are also described.
PCT/GB2002/002099 2001-05-04 2002-05-07 Processes and apparatus for extraction of active substances and enriched extracts from natural products WO2002089945A2 (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
JP2002587072A JP2004526798A (en) 2001-05-04 2002-05-07 Method and apparatus for extracting active substances and concentrated extracts from natural crops
IL15870902A IL158709A0 (en) 2001-05-04 2002-05-07 Process and apparatus for extraction of active substances and enriched extracts from natural products
AT02724458T ATE555833T1 (en) 2001-05-04 2002-05-07 METHOD FOR PREPARING ENRICHED CANNABINOID EXTRACTS FROM CANNABIS PLANT MATERIAL
AU2002255150A AU2002255150B2 (en) 2001-05-04 2002-05-07 Processes and apparatus for extraction of active substances and enriched extracts from natural products
CA002446195A CA2446195C (en) 2001-05-04 2002-05-07 Processes and apparatus for extraction of active substances and enriched extracts from natural products
US10/476,718 US7622140B2 (en) 2001-05-04 2002-05-07 Processes and apparatus for extraction of active substances and enriched extracts from natural products
NZ529360A NZ529360A (en) 2001-05-04 2002-05-07 A process for extraction of cannaboid-rich material from cannabis plant
EP02724458A EP1385595B1 (en) 2001-05-04 2002-05-07 Processes for preparing a cannabinoid-rich extract from cannabis plant material
IL158709A IL158709A (en) 2001-05-04 2003-11-02 Process and apparatus for extraction of active substances and enriched extracts from natural products
HK04105745.3A HK1062901A1 (en) 2001-05-04 2004-08-03 Processes for preparing a cannabinoid-rich extract from cannabis plant material
US12/618,347 US9034395B2 (en) 2001-05-04 2009-11-13 Processes and apparatus for extraction of active substances and enriched extracts from natural products
US14/674,098 US10195159B2 (en) 2001-05-04 2015-03-31 Processes and apparatus for extraction of active substances and enriched extracts from natural products

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0111046A GB2377218A (en) 2001-05-04 2001-05-04 Process and apparatus for extraction of active substances and enriched extracts from natural products
GB0111046.9 2001-05-04

Related Child Applications (3)

Application Number Title Priority Date Filing Date
US10476718 A-371-Of-International 2002-05-07
US10/476,718 A-371-Of-International US7622140B2 (en) 2001-05-04 2002-05-07 Processes and apparatus for extraction of active substances and enriched extracts from natural products
US12/618,347 Continuation US9034395B2 (en) 2001-05-04 2009-11-13 Processes and apparatus for extraction of active substances and enriched extracts from natural products

Publications (2)

Publication Number Publication Date
WO2002089945A2 WO2002089945A2 (en) 2002-11-14
WO2002089945A3 true WO2002089945A3 (en) 2003-01-23

Family

ID=9914096

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2002/002099 WO2002089945A2 (en) 2001-05-04 2002-05-07 Processes and apparatus for extraction of active substances and enriched extracts from natural products

Country Status (12)

Country Link
US (3) US7622140B2 (en)
EP (1) EP1385595B1 (en)
JP (1) JP2004526798A (en)
CN (1) CN1306979C (en)
AT (1) ATE555833T1 (en)
AU (1) AU2002255150B2 (en)
CA (1) CA2446195C (en)
GB (2) GB2377218A (en)
HK (1) HK1062901A1 (en)
IL (2) IL158709A0 (en)
NZ (1) NZ529360A (en)
WO (1) WO2002089945A2 (en)

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