ClassID:

91268

C07C37/82 - CPC Classification

Classification description:

Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring; Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by solid-liquid treatment; by chemisorption

Recent Application in this class:
#1
20260054249
2026-02-26

CHROMATOGRAPHIC MEDIA AND METHODS OF MAKING AND USING SAME

#2
20260049067
2026-02-19

CANNABINOID SYNTHESIS STARTING OUT FROM OLIVETOL AND TERPENE IN DICHLOROMETHANE WITH FeCl 3 * 6H2O AS CATALYST

#3
20260035535
2026-02-05

METHOD FOR DEGRADING POLYCARBONATE

#4
20250303322
2025-10-02

METHODS FOR THE PRODUCTION OF CANNABINOID COMPOSITIONS

#5
20250236718
2025-07-24

METHOD FOR MANUFACTURING BISPHENOL A

#6
20250122138
2025-04-17

PRODUCTION PROCESS AND DEVICE FOR SYNTHESIZING BISPHENOL A BY RESIN METHOD

#7
20250109087
2025-04-03

FULL SPECTRUM HEMP OIL COMPOSITIONS

#8
20240198254
2024-06-20

METHOD FOR SEPARATING A MIXTURE

#9
20240182392
2024-06-06

CONTAMINANT REMOVAL FROM COAL TAR-DERIVED CRUDE PHENOLS

#10
20240158327
2024-05-16

PROCESS FOR OBTAINING CONCENTRATED HYDROXYTYROSOL (HT) EXTRACTS

#11
20240157335
2024-05-16

STATIONARY PHASE FOR PURIFICATION OF CANNABIDIOL WITH HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY

#12
20240150270
2024-05-09

METHOD FOR SELECTIVE RECOVERY OF LIPOPHILIC COMPOUNDS

#13
20230416176
2023-12-28

PRODUCTION OF CANNABIDIOL FROM HEMP USING SUBCRITICAL LIQUID CARBON DIOXIDE

#14
20230383090
2023-11-30

MONOMER COMPOSITION FOR SYNTHESIZING RECYCLED PLASTIC, PREPARATION METHOD THEREOF, RECYCLED PLASTIC, AND MOLDED PRODUCT USING THE SAME

#15
20230382837
2023-11-30

MONOMER COMPOSITION FOR SYNTHESIZING RECYCLED PLASTIC, PREPARATION METHOD THEREOF, RECYCLED PLASTIC, AND MOLDED PRODUCT USING THE SAME

#16
20230373943
2023-11-23

EXTRACTION OF CANNABINOIDS FROM WET BIOMASS

#17
20230295067
2023-09-21

METHODS FOR OBTAINING COMPOUNDS FROM A PLANT OR FUNGUS MATERIAL, RESPECTIVE COMPOSITIONS, AND USES THEREOF

#18
20230256357
2023-08-17

DEVICE FOR SOLID/LIQUID EXTRACTION BY RADIAL ULTRASONIC IRRADIATION, AND ASSOCIATED EXTRACTION METHOD

#19
20230219872
2023-07-13

INDUSTRIAL EXTRACTION METHOD OF CANNABIDIOL

#20
20230092529
2023-03-23

Liquid carbon dioxide and cosolvent biomass extraction method and system

#21
20230023245
2023-01-26

Zeolitic adsorbent for the separation of hydrocarbon isomers

#22
20220363620
2022-11-17

AN ISOMERIZATION PROCESS OF PRODUCT OBTAINED FROM BISPHENOL PREPARATION FROM A CONDENSATION REACTION OF KETONE AND PHENOL

#23
20220249977
2022-08-11

Liquid carbon dioxide and cosolvent biomass extraction method and system

#24
20220234023
2022-07-28

CHROMATOGRAPHIC MEDIA AND METHODS OF MAKING AND USING SAME

#25
20220112147
2022-04-14

Methods for obtaining compounds from a plant or fungus material, respective compositions, and uses thereof

#26
20220105491
2022-04-07

Nicotinamide dummy template surface molecularly imprinted polymer and preparation method and application thereof

#27
20220009867
2022-01-13

Method for preparing cannabidiol by separation and purification using high-speed countercurrent chromatography

#28
20220009865
2022-01-13

CONTINUOS FLOW SYNTHESIS OF CANNABIDIOL

#29
20210371365
2021-12-02

Process for the preparation of 3,3,4-trimethylcyclohexylidene bisphenol (BP-TMC)

#30
20210363083
2021-11-25

Process for separating a constituent/cannabinoid using a chromatographic resin

#31
20210188750
2021-06-24

PROCESS FOR PRODUCING BISPHENOL-A

#32
20210053899
2021-02-25

Method for separating essential oils from biomass

#33
20210039013
2021-02-11

Dynamic interface system and its application in supercritical fluid extraction and chromatography

#34
20200399194
2020-12-24

Process for separating a constituent/cannabinoid using a chromatographic resin

#35
20200291324
2020-09-17

Remediation of pesticides from agricultural oils

#36
20200206726
2020-07-02

Method for washing ion exchange resin and method for preparing bisphenol A

#37
20200188878
2020-06-18

MOLECULARLY IMPRINTED POLYMERS

#38
20200039908
2020-02-06

Isolation of pure cannabinoids from

#39
20200016508
2020-01-16

Extraction of cannabinoids, curcuminoids and ginsenosides

#40
20190322606
2019-10-24

Method of recovering phenol from a BPA production plant and the plant for recovering the same

#41
20190210946
2019-07-11

Method for preparing high-purity cannabidiol

#42
20190194391
2019-06-27

Method for producing dihydroxynaphthalene condensate and dihydroxynaphthalene condensate

#43
20190194102
2019-06-27

METHOD FOR PURIFYING DIHYDROXYNAPHTHALENE

#44
20190010110
2019-01-10

Process for separating a constituent/cannabinoid using a chromatographic resin

#45
20190010107
2019-01-10

Process for purification and separation of cannabinoids, from dried hemp and cannabis leaves

#46
20190010106
2019-01-10

Process for purification and separation of cannabinoids, from dried hemp and cannabis leaves

#47
20180362429
2018-12-20

Method for extracting cannabidiol from cannabis

#48
20180230075
2018-08-16

Method of recovering phenol from a BPA production plant and the plant for recovering the same

#49
20180201556
2018-07-19

Zeolite adsorbents, preparation process therefor and uses thereof

#50
20180201555
2018-07-19

Zeolite adsorbents, preparation process therefor and uses thereof

#51
20180161754
2018-06-14

Zeolitic adsorbents with large external surface area, process for preparing them and uses thereof

#52
20180105544
2018-04-19

Concerted processes for forming 1,2,4-trihydroxybenzene from hydroquinone

#53
20180065903
2018-03-08

Process for making cyclohexanone and/or phenol

#54
20170304799
2017-10-26

Zeolite-based adsorbents based on zeolite X with a low binder content and a low outer surface area, process for preparing them and uses thereof

#55
20170015790
2017-01-19

Nanoporous films derived from polycyclo-olefinic block polymers

#56
20160369026
2016-12-22

Cycloalkylnorbornene monomers, polymers derived therefrom and their use in pervaporation

#57
20160333283
2016-11-17

FUEL REFORMING SYSTEM

#58
20160289146
2016-10-06

Zeolitic granular material having a connected structure

#59
20160288090
2016-10-06

MOLECULARLY IMPRINTED POLYMERS

#60
20160230089
2016-08-11

Composition preventing the polymerization of ethylenically unsaturated monomers and the removal thereof before polymerization

#61
20160207025
2016-07-21

Zeolitic adsorbents with large external surface area, process for preparing them and uses thereof

#62
20160159716
2016-06-09

Bisphenol A preparation apparatus and preparation method

#63
20160067673
2016-03-10

Zeolite adsorbents comprising zeolite EMT, process for preparing the same and uses thereof

#64
20150367292
2015-12-24

PERVAPORATION MEMBRANE AND METHOD FOR CONCENTRATING PHENOLS

#65
20150315111
2015-11-05

Processes for producing phenol

#66
20150306565
2015-10-29

Zeolitic adsorbents, their process of preparation and their uses

#67
20150141708
2015-05-21

Process for purifying products from coal tar

#68
20150005487
2015-01-01

Sorbent comprising on its surface a cationic or protonizable aliphatic residue for the purification of organic molecules

#69
20140360939
2014-12-11

Porous support-zeolite membrane composite

#70
20140221693
2014-08-07

Organics Recovery From The Aqueous Phase Of Biomass Catalytic Pyrolysis, And Upgrading Therof

#71
20140094628
2014-04-03

Method of separating phenolic compounds in salified form

#72
20140042090
2014-02-13

Cycloalkylnorbornene monomers, polymers derived therefrom and their use in pervaporation

#73
20130165529
2013-06-27

Piceatannol-containing composition and method of producing piceatannol-containing composition

#74
20130108820
2013-05-02

Process for producing bisphenol A with reduced sulfur content, polycarbonate made from the bisphenol A, and containers formed from the polycarbonate

#75
20120052757
2012-03-01

MOLECULARLY IMPRINTED POLYMERS

#76
20120004322
2012-01-05

Piceatannol-containing composition and method of producing piceatannol-containing composition

#77
20110251438
2011-10-13

Purification of tris-hydroxyaryl compounds

#78
20110230674
2011-09-22

METHOD OF SEPARATING PHENOLIC COMPOUNDS IN SALIFIED FORM

#79
20110184165
2011-07-28

Aggregate zeolitic absorbents, their method of preparation and their uses

#80
20110124942
2011-05-26

Aggregate zeolitic absorbents, their method of preparation and their uses

#81
20100258505
2010-10-14

Process and apparatus for simulated moving bed separation comprising bypass lines in every other bed and with a modulated bypass fluid flow rate

#82
20100249075
2010-09-30

Substituted tetralins as selective estrogen receptor-β agonists

#83
20080188693
2008-08-07

Mass separation method of magnolol from cortex radix

#84
20080045752
2008-02-21

Microwave induced one pot process for the preparation of arylethenes

#85
20070244345
2007-10-18

Process for treating phenol

#86
20070232775
2007-10-04

Process for the purification of dihydric phenols

#87
20070232774
2007-10-04

Method of purification of dihydric phenols

#88
20060224025
2006-10-05

Process for recovering an adduct of a bis(4-hydroxyaryl)alkane and a phenolic compound

#89
20060211893
2006-09-21

Process for the production of bisphenol A.

#90
20060167283
2006-07-27

Method of preparing cannabidiol from plant material

#91
20060011541
2006-01-19

Process for producing bisphenol A

#92
20050240065
2005-10-27

Extraction of phenol-containing effluent streams

#93
20050215833
2005-09-29

Production of bisphenol-A with reduced sulfur content

#94
20050137429
2005-06-23

Methods for purification of phenol

#95
18399457
2024-05-07

Preparation method of resveratrol nervonic acid ester

#96
16668432
2020-12-08

Cannabidiol isolate production systems and methods

#97
15803010
2018-12-18

Process for the production of a concentrated cannabinoid product