EP3703839A4 - Closed loop chilled solvent feed for cannabinoid extraction - Google Patents

Closed loop chilled solvent feed for cannabinoid extraction Download PDF

Info

Publication number: EP3703839A4
Authority: EP; European Patent Office
Prior art keywords: closed loop; solvent feed; chilled solvent; cannabinoid extraction; loop chilled
Prior art date: 2017-11-10
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn

Application number

EP18876158.9A

Other languages

German (de)

French (fr)

Other versions

EP3703839A1 (en

Inventor

Ryan Delmoral Ko

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.)

Nextleaf Solutions Ltd

Original Assignee

Nextleaf Solutions 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.)

2017-11-10

Filing date

2018-11-08

Publication date

2021-11-17

2017-11-10 Priority claimed from US15/809,980 external-priority patent/US10245525B1/en

2018-11-08 Application filed by Nextleaf Solutions Ltd filed Critical Nextleaf Solutions Ltd

2020-09-09 Publication of EP3703839A1 publication Critical patent/EP3703839A1/en

2021-11-17 Publication of EP3703839A4 publication Critical patent/EP3703839A4/en

Status Withdrawn legal-status Critical Current

Classifications

- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
- A23L33/00—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof
- A23L33/10—Modifying nutritive qualities of foods; Dietetic products; Preparation or treatment thereof using additives
- A23L33/105—Plant extracts, their artificial duplicates or their derivatives
- 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
- B01D11/0269—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
- B01D11/02—Solvent extraction of solids
- B01D11/0292—Treatment of the solvent
- B01D11/0296—Condensation of solvent vapours
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/685—Processes comprising at least two steps in series
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
- C07C37/82—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by solid-liquid treatment; by chemisorption
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
- C07C39/23—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring polycyclic, containing six-membered aromatic rings and other rings, with unsaturation outside the aromatic rings
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K2236/00—Isolation or extraction methods of medicinal preparations of undetermined constitution containing material from algae, lichens, fungi or plants, or derivatives thereof, e.g. traditional herbal medicine
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/16—Systems containing only non-condensed rings with a six-membered ring the ring being unsaturated

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Natural Medicines & Medicinal Plants (AREA)
Botany (AREA)
Engineering & Computer Science (AREA)
Mycology (AREA)
Microbiology (AREA)
Public Health (AREA)
Medicinal Chemistry (AREA)
Biotechnology (AREA)
Alternative & Traditional Medicine (AREA)
Pharmacology & Pharmacy (AREA)
Epidemiology (AREA)
Animal Behavior & Ethology (AREA)
General Health & Medical Sciences (AREA)
Medical Informatics (AREA)
Veterinary Medicine (AREA)
Nutrition Science (AREA)
Food Science & Technology (AREA)
Polymers & Plastics (AREA)
Fats And Perfumes (AREA)
Extraction Or Liquid Replacement (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

EP18876158.9A 2017-11-10 2018-11-08 Closed loop chilled solvent feed for cannabinoid extraction Withdrawn EP3703839A4 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US15/809,980 US10245525B1 (en)	2017-11-10	2017-11-10	Closed-loop multi-stage chilled filter system
US201862676261P	2018-05-24	2018-05-24
PCT/CA2018/051416 WO2019090428A1 (en)	2017-11-10	2018-11-08	Closed loop chilled solvent feed for cannabinoid extraction

Publications (2)

Publication Number	Publication Date
EP3703839A1 EP3703839A1 (en)	2020-09-09
EP3703839A4 true EP3703839A4 (en)	2021-11-17

Family

ID=66437494

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP18876158.9A Withdrawn EP3703839A4 (en)	2017-11-10	2018-11-08	Closed loop chilled solvent feed for cannabinoid extraction

Country Status (11)

Country	Link
EP (1)	EP3703839A4 (en)
AU (1)	AU2018363165B2 (en)
CA (1)	CA3063941C (en)
CL (1)	CL2020001222A1 (en)
CO (1)	CO2020005668A2 (en)
IL (2)	IL274201B (en)
MA (1)	MA50857A (en)
MX (1)	MX2020004819A (en)
NZ (1)	NZ763965A (en)
WO (1)	WO2019090428A1 (en)
ZA (2)	ZA201906689B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US11731949B2 (en) *	2020-04-09	2023-08-22	Jenny's Rose, LLC	Apparatus for decarboxylation of cannabis extracts
US11583785B2 (en) *	2020-05-14	2023-02-21	Cannacraft, Inc.	Systems and methods for cannabis extraction

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9169455B2 (en) *	2011-10-27	2015-10-27	Jerry Hamler	Process for extracting oil from plants and animal matter
US20170043276A1 (en) *	2015-03-18	2017-02-16	Nicholas Tennant	Extraction apparatus and method
US20170312651A1 (en) *	2016-04-14	2017-11-02	Yevgeniy Galyuk	Methods to Reduce Chlorophyll Co-Extraction Through Extraction of Select Moieties Essential Oils and Aromatic Isolates

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9242189B2 (en) *	2012-12-12	2016-01-26	Continuous Extractions, Llc	Continuous extractor, concentrator and dryer
US9327210B1 (en) *	2014-11-17	2016-05-03	Connoisseur Concentrates, LLC	Extraction devices, systems, and methods
US10315130B2 (en) *	2016-07-11	2019-06-11	Boris David Kogon	Phytochemical extraction systems, methods, and devices
US9987567B1 (en) *	2017-09-29	2018-06-05	NextLeaf Solutions Ltd.	Cannabinoid extraction process and system

2018
- 2018-11-08 MX MX2020004819A patent/MX2020004819A/en unknown
- 2018-11-08 CA CA3063941A patent/CA3063941C/en active Active
- 2018-11-08 EP EP18876158.9A patent/EP3703839A4/en not_active Withdrawn
- 2018-11-08 MA MA050857A patent/MA50857A/en unknown
- 2018-11-08 WO PCT/CA2018/051416 patent/WO2019090428A1/en active Application Filing
- 2018-11-08 AU AU2018363165A patent/AU2018363165B2/en not_active Ceased
- 2018-11-08 NZ NZ763965A patent/NZ763965A/en not_active IP Right Cessation
2019
- 2019-10-10 ZA ZA2019/06689A patent/ZA201906689B/en unknown
- 2019-10-14 ZA ZA2019/06754A patent/ZA201906754B/en unknown
2020
- 2020-04-23 IL IL274201A patent/IL274201B/en active IP Right Grant
- 2020-04-26 IL IL274224A patent/IL274224B/en active IP Right Grant
- 2020-05-07 CO CONC2020/0005668A patent/CO2020005668A2/en unknown
- 2020-05-07 CL CL2020001222A patent/CL2020001222A1/en unknown

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US9169455B2 (en) *	2011-10-27	2015-10-27	Jerry Hamler	Process for extracting oil from plants and animal matter
US20170043276A1 (en) *	2015-03-18	2017-02-16	Nicholas Tennant	Extraction apparatus and method
US20170312651A1 (en) *	2016-04-14	2017-11-02	Yevgeniy Galyuk	Methods to Reduce Chlorophyll Co-Extraction Through Extraction of Select Moieties Essential Oils and Aromatic Isolates

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019090428A1 *

Also Published As

Publication number	Publication date
IL274201B (en)	2020-08-31
EP3703839A1 (en)	2020-09-09
MA50857A (en)	2020-09-09
IL274224A (en)	2020-06-30
CO2020005668A2 (en)	2020-07-31
WO2019090428A1 (en)	2019-05-16
MX2020004819A (en)	2021-01-21
ZA201906689B (en)	2020-07-29
NZ763965A (en)	2020-07-31
IL274224B (en)	2020-09-30
CA3063941C (en)	2020-02-18
AU2018363165A1 (en)	2020-05-14
CL2020001222A1 (en)	2020-08-14
AU2018363165B2 (en)	2020-06-18
IL274201A (en)	2020-06-30
ZA201906754B (en)	2020-09-30
CA3063941A1 (en)	2019-05-16

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Legal Events

Date	Code	Title	Description
2019-05-18	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2020-08-07	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
2020-08-07	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2020-09-09	17P	Request for examination filed	Effective date: 20200602
2020-09-09	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
2020-09-09	AX	Request for extension of the european patent	Extension state: BA ME
2021-02-17	RAV	Requested validation state of the european patent: fee paid	Extension state: MD Effective date: 20200602 Extension state: MA Effective date: 20200602 Extension state: KH Effective date: 20200602
2021-11-17	A4	Supplementary search report drawn up and despatched	Effective date: 20211019
2021-11-17	RIC1	Information provided on ipc code assigned before grant	Ipc: C07C 37/82 20060101ALI20211013BHEP Ipc: C07C 37/68 20060101ALI20211013BHEP Ipc: C07C 39/23 20060101ALI20211013BHEP Ipc: A61K 36/185 20060101ALI20211013BHEP Ipc: A23L 33/105 20160101ALI20211013BHEP Ipc: B01D 11/02 20060101AFI20211013BHEP
2023-09-29	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
2023-11-01	18D	Application deemed to be withdrawn	Effective date: 20230601