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59. (WO2004026802) METHOD OF PREPARING CANNABIDIOL FROM PLANT MATERIAL
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2004/026802 International Application No.: PCT/GB2003/004086
Publication Date: 01.04.2004 International Filing Date: 23.09.2003
Chapter 2 Demand Filed: 05.03.2004
IPC:
C07C 37/70 (2006.01) ,C07C 39/23 (2006.01)
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
37
Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
68
Separation; Purification; Stabilisation; Use of additives
70
by physical treatment
C CHEMISTRY; METALLURGY
07
ORGANIC CHEMISTRY
C
ACYCLIC OR CARBOCYCLIC COMPOUNDS
39
Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
23
polycyclic, containing six-membered aromatic rings and other rings, with unsaturation outside the aromatic rings
Applicants:
FLOCKHART, Ian [GB/GB]; GB (UsOnly)
WHEATLEY, Gary, William [GB/GB]; GB (UsOnly)
DRING, Su [GB/GB]; GB (UsOnly)
ARCHER, Lesley [GB/GB]; GB (UsOnly)
GW PHARMA LIMITED [GB/GB]; Porton Down Science Park Salisbury, Wiltshire SP4 OJR, GB (AllExceptUS)
Inventors:
FLOCKHART, Ian; GB
WHEATLEY, Gary, William; GB
DRING, Su; GB
ARCHER, Lesley; GB
Agent:
BALDOCK, Sharon, Claire ; BOULT WADE TENNANT Verulam Gardens 70 Grays Inn Road London WC1X 8BT, GB
Priority Data:
0222078.823.09.2002GB
Title (EN) METHOD OF PREPARING CANNABIDIOL FROM PLANT MATERIAL
(FR) PROCEDE DE FABRICATION DE CANNABIDIOL A PARTIR DE MATIERES VEGETALES
Abstract:
(EN) The invention relates to methods of preparing cannabidiol in substantially pure form starting from plant material. Also described are substantially pure preparations of cannabidiol having a chromatographic purity of 95% or greater.
(FR) L'invention concerne des procédés de fabrication de cannabidiol sous une forme sensiblement pure à partir de matières végétales. Elle concerne aussi des préparations sensiblement pures à base de cannabidiol ayant une pureté chromatographique de 95 % et plus.
Designated States: AE, AG, AL, AM, AT, AU, AZ, BA, BB, BG, BR, BY, BZ, CA, CH, CN, CO, CR, CU, CZ, DE, DK, DM, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, JP, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, MZ, NI, NO, NZ, OM, PG, PH, PL, PT, RO, RU, SC, SD, SE, SG, SK, SL, SY, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, YU, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (GH, GM, KE, LS, MW, MZ, SD, SL, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM)
European Patent Office (EPO) (AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HU, IE, IT, LU, MC, NL, PT, RO, SE, SI, SK, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)