ClassID:

91263

C07C37/72 - 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 liquid-liquid treatment

Recent Application in this class:
#1
20260060906
2026-03-05

SYNTHESIS AND PURIFICATION OF CANNABIGEROL AND ITS APPLICATION

#2
20250312357
2025-10-09

PROCESS OF PHYTOCANNABINOIDS ENRICHMENT ITS FORMULATION AND USE IN THE MANAGEMENT OF PAIN

#3
20250145555
2025-05-08

PROCESSES FOR SEPARATING ORGANIC PRODUCTS FROM ORGANIC RECYCLE STREAMS

#4
20240051906
2024-02-15

CRESOL PREPARATION METHOD FOR INHIBITING PRODUCTION OF BYPRODUCT

#5
20240018080
2024-01-18

SYNERGISTIC USE OF PHENOL PURIFICATION TRAIN IN PHENOL PRODUCTION UNIT FOR PROCESSING PHENOLIC WATER FROM BISPHENOL-A PRODUCTION UNIT

#6
20230219015
2023-07-13

EXTRACTION METHOD AND MIXTURE OF SUBSTANCES

#7
20230212100
2023-07-06

Systems and methods for refining cannabidiol

#8
20230132585
2023-05-04

CATALYTIC AND CONTINUOUS THERMOCHEMICAL PROCESS OF PRODUCTION OF VALUABLE DERIVATIVES FROM ORGANIC MATERIALS AND/OR WASTE

#9
20220315512
2022-10-06

METHOD FOR SIMULTANEOUSLY SEPARATING CANNABIDIVARIN AND CANNABIGEROL

#10
20220296482
2022-09-22

SYNTHESIS AND PURIFICATION OF CANNABIGEROL AND ITS APPLICATION

#11
20220281791
2022-09-08

Method for decomposing phenol-based by-product

#12
20220259125
2022-08-18

Method of decomposing phenolic by-products

#13
20220251122
2022-08-11

METHOD FOR PRODUCING SODIUM SALT OF PHENOL COMPOUND AND BISPHOSPHITE COMPOUND

#14
20220251012
2022-08-11

Method of decomposing phenolic by-product

#15
20220144737
2022-05-12

SYNTHETIC CANNABIDIOL COMPOSITIONS AND METHODS OF MAKING THE SAME

#16
20220081382
2022-03-17

Process for making phenol and xylenes

#17
20220009868
2022-01-13

Method for decomposing phenolic by-product

#18
20220009867
2022-01-13

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

#19
20220009865
2022-01-13

CONTINUOS FLOW SYNTHESIS OF CANNABIDIOL

#20
20210403401
2021-12-30

Methods of isolating phenols from phenol-containing media

#21
20210355056
2021-11-18

CANNABIS EXTRACTS

#22
20210331993
2021-10-28

Trihydroxybenzene production method

#23
20210230206
2021-07-29

Method for separating natural substance mixtures by means of SCPC

#24
20210221760
2021-07-22

Method for decomposing phenolic by-product

#25
20210130274
2021-05-06

Method of treating a neutralized aralkyl hydroperoxide cleavage stream

#26
20210061743
2021-03-04

Methods of isolating phenols from phenol-containing media

#27
20200392059
2020-12-17

Mobile Crop Processing System and Method

#28
20200361841
2020-11-19

Systems and methods for refining cannabidiol

#29
20200246722
2020-08-06

METHOD AND APPARATUS FOR EXTRACTING BOTANICAL OILS

#30
20200199056
2020-06-25

Synthetic cannabidiol compositions and methods of making the same

#31
20190382326
2019-12-19

CANNABIS EXTRACTS

#32
20190382325
2019-12-19

CANNABIS EXTRACTS

#33
20190322606
2019-10-24

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

#34
20190276384
2019-09-12

Automated production line for preparing cannabidiol extract

#35
20190270691
2019-09-05

Cannabis extracts

#36
20190201809
2019-07-04

Methods of purifying cannabinoids using liquid:liquid chromatography

#37
20190151771
2019-05-23

Method and apparatus for extracting botanical oils

#38
20190134532
2019-05-09

Methods of purifying cannabinoids, compositions and kits thereof

#39
20190041750
2019-02-07

Material for forming underlayer film for lithography, composition for forming underlayer film for lithography, underlayer film for lithography and production method thereof, pattern forming method, resin, and purification method

#40
20180290954
2018-10-11

Method for recovering phenol and acetone from cracking reaction product of bisphenol-A residue

#41
20180230075
2018-08-16

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

#42
20180222879
2018-08-09

Methods of purifying cannabinoids using liquid:liquid chromatography

#43
20180179132
2018-06-28

Separation of dichlorophenols

#44
20180162828
2018-06-14

Methods of purifying cannabinoids using liquid:liquid chromatography

#45
20180127342
2018-05-10

EXTRACTION OF RESVERATROL FROM WASTE BIOMASS DERIVED FROM GRAPES PROCESSING

#46
20180095368
2018-04-05

Compound, resin, and purification method thereof, material for forming underlayer film for lithography, composition for forming underlayer film, and underlayer film, as well as resist pattern forming method and circuit pattern forming method

#47
20180074406
2018-03-15

Compound, resist composition, and method for forming resist pattern using it

#48
20180044270
2018-02-15

COMPOUND, RESIN, MATERIAL FOR FORMING UNDERLAYER FILM FOR LITHOGRAPHY, UNDERLAYER FILM FOR LITHOGRAPHY, PATTERN FORMING METHOD, AND METHOD FOR PURIFYING COMPOUND OR RESIN

#49
20160289256
2016-10-06

NOVEL METHOD FOR THE DEPOLYMERISATION OF LIGNIN

#50
20160264501
2016-09-15

Process for making phenol and/or cyclohexanone

#51
20160168062
2016-06-16

Process for depolymerization of lignin

#52
20150344390
2015-12-03

Method for obtaining polyphenols from a vegetable raw material containing same

#53
20150315502
2015-11-05

Process for producing a fuel and byproduct from biomass or biomass derived material

#54
20120310014
2012-12-06

Treatment of bisphenol-A residue streams

#55
20120022297
2012-01-26

Purification method of dihydroxybenzene

#56
20110112333
2011-05-12

BPA process improvement

#57
20100282591
2010-11-11

Removal of hydrocarbons from an aqueous stream

#58
20090221858
2009-09-03

Bisphenol-A plant yield enhancement

#59
20090179175
2009-07-16

METHOD FOR THE INDUSTRIAL USE OF TYROSOL AND HYDROXYTYROSOL CONTAINED IN THE SOLID BY- PRODUCTS OF INDUSTRIAL OLIVE CRUSHING

#60
20080281129
2008-11-13

BPA process improvement

#61
20070232774
2007-10-04

Method of purification of dihydric phenols

#62
20060014986
2006-01-19

Process for purifying bisphenol-a

#63
20050240065
2005-10-27

Extraction of phenol-containing effluent streams

#64
20050059843
2005-03-17

Method for preparation of para-brominated hydroxyaromatic compounds

#65
15834826
2019-03-26

Cannabis extracts