Title:
PROCESSES AND APPARATUS FOR EXTRACTION OF ACTIVE SUBSTANCES AND ENRICHED EXTRACTS FROM NATURAL PRODUCTS
Document Type and Number:
WIPO Patent Application WO2002089945
Kind Code:
A3
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.
Inventors:
WHITTLE BRIAN (GB)
GUY GEOFFREY (GB)
DOWNS DAVID (GB)
GUY GEOFFREY (GB)
DOWNS DAVID (GB)
Application Number:
PCT/GB2002/002099
Publication Date:
January 23, 2003
Filing Date:
May 07, 2002
Export Citation:
Assignee:
GW PHARMA LTD (GB)
WHITTLE BRIAN (GB)
GUY GEOFFREY (GB)
DOWNS DAVID (GB)
WHITTLE BRIAN (GB)
GUY GEOFFREY (GB)
DOWNS DAVID (GB)
International Classes:
A61K36/00; A61K31/352; A61K36/18; B01D11/02; B01D11/00; (IPC1-7): B01D11/02
Domestic Patent References:
| WO2000025127A1 | 2000-05-04 |
Foreign References:
| GB851935A | 1960-10-19 | |||
| US5902587A | 1999-05-11 | |||
| US3270437A | 1966-09-06 | |||
| GB722419A | 1955-01-26 | |||
| EP0796621A2 | 1997-09-24 | |||
| DE19804010A1 | 1999-08-12 | |||
| EP0053727A1 | 1982-06-16 |
Other References:
PATENT ABSTRACTS OF JAPAN vol. 016, no. 071 (C - 0913) 21 February 1992 (1992-02-21)
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