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GB2408978B - Methods of preparing delta-9 tetrahydrocannabinol from plant material - Google Patents

Methods of preparing delta-9 tetrahydrocannabinol from plant material

Info

Publication number
GB2408978B
GB2408978B GB0504777A GB0504777A GB2408978B GB 2408978 B GB2408978 B GB 2408978B GB 0504777 A GB0504777 A GB 0504777A GB 0504777 A GB0504777 A GB 0504777A GB 2408978 B GB2408978 B GB 2408978B
Authority
GB
United Kingdom
Prior art keywords
tetrahydrocannabinol
methods
plant material
preparing delta
delta
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
GB0504777A
Other versions
GB2408978A (en
GB0504777D0 (en
Inventor
Ian Ronald Flockhart
Gary William Wheatley
Ms Su Dring
Lesley Archer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GW Pharma Ltd
Original Assignee
GW Pharma Ltd
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 claimed from GBGB0222077.0A external-priority patent/GB0222077D0/en
Application filed by GW Pharma Ltd filed Critical GW Pharma Ltd
Publication of GB0504777D0 publication Critical patent/GB0504777D0/en
Publication of GB2408978A publication Critical patent/GB2408978A/en
Application granted granted Critical
Publication of GB2408978B publication Critical patent/GB2408978B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • A61K31/33—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 
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/78—Ring systems having three or more relevant rings
    • C07D311/80—Dibenzopyrans; Hydrogenated dibenzopyrans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pyrane Compounds (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicines Containing Plant Substances (AREA)
GB0504777A 2002-09-23 2003-09-23 Methods of preparing delta-9 tetrahydrocannabinol from plant material Expired - Lifetime GB2408978B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0222077.0A GB0222077D0 (en) 2002-09-23 2002-09-23 Methods of preparing cannabinoids from plant material
GB0322263A GB2393721B (en) 2002-09-23 2003-09-23 Methods of preparing cannabinoids from plant material

Publications (3)

Publication Number Publication Date
GB0504777D0 GB0504777D0 (en) 2005-04-13
GB2408978A GB2408978A (en) 2005-06-15
GB2408978B true GB2408978B (en) 2006-04-05

Family

ID=34593720

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0504777A Expired - Lifetime GB2408978B (en) 2002-09-23 2003-09-23 Methods of preparing delta-9 tetrahydrocannabinol from plant material

Country Status (1)

Country Link
GB (1) GB2408978B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10793498B2 (en) 2018-08-03 2020-10-06 Biomass Oil Separation Solutions, Llc Processes and apparatus for extraction of substances and enriched extracts from plant material
US10799546B1 (en) 2019-07-26 2020-10-13 Biomass Oil Separation Solutions, Llc Modular, integrated process and apparatus for extracting, refining and remediating active substances from plant material

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0703284D0 (en) 2007-02-20 2007-03-28 Resolution Chemicals Ltd Delta 9 - tetrahydrocannabinol processing
US20150126754A1 (en) * 2012-05-03 2015-05-07 Echo Pharmaceuticals B.V. Cannabis plant isolate comprising delta-9-tetrahydrocannabinol and a method for preparing such an isolate
MX2021004428A (en) * 2018-10-18 2021-09-10 Taba Ip Llc Purification of cannabinoids from crude cannabis oil.
CN114788480B (en) * 2022-05-13 2023-02-03 黑龙江省农业科学院经济作物研究所 Freeze-drying harvesting method for hemp flowers and leaves in northern medicinal industry

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003064407A2 (en) * 2002-02-01 2003-08-07 Resolution Chemicals Limited Production of δ9 tetrahydrocannabinol

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003064407A2 (en) * 2002-02-01 2003-08-07 Resolution Chemicals Limited Production of δ9 tetrahydrocannabinol

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10793498B2 (en) 2018-08-03 2020-10-06 Biomass Oil Separation Solutions, Llc Processes and apparatus for extraction of substances and enriched extracts from plant material
US10799546B1 (en) 2019-07-26 2020-10-13 Biomass Oil Separation Solutions, Llc Modular, integrated process and apparatus for extracting, refining and remediating active substances from plant material
US10993977B2 (en) 2019-07-26 2021-05-04 Biomass Oil Separation Solutions, Llc Modular, integrated process and apparatus for extracting, refining and remediating active substances from plant material

Also Published As

Publication number Publication date
GB2408978A (en) 2005-06-15
GB0504777D0 (en) 2005-04-13

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20230922