ClassID:

90485

C07B63/02 - CPC Classification

Classification description:

Purification; Separation ; Stabilisation; Use of additives by treatment giving rise to a chemical modification

Recent Application in this class:
#1
20260152478
2026-06-04

NANO-EMULSION COMPOSITIONS CONTAINING CANNABINOIDS

#2
20250214933
2025-07-03

METHOD FOR PURIFYING LEVETIRACETAM INTERMEDIATE

#3
20240240107
2024-07-18

PROCESS FOR PRODUCING HIGH-GRADE FATTY ACIDE POLYOL ESTERS, PARTICULARLY FATTY ACID GLYCEROL ESTERS

#4
20240002358
2024-01-04

Optically clear, taste-masked, shelf-stable nano-emulsions containing cannabinoids

#5
20230330561
2023-10-19

EXTRACTION OF ALKALOIDS USING AQUEOUS SOLUTION OF CARBONIC ACID

#6
20230278939
2023-09-07

Photochemical Separations and Compositions

#7
20230098226
2023-03-30

Method for preparing oligomer

#8
20230023780
2023-01-26

PROCESS FOR PURIFICATION OF MALONIC ACID FROM FERMENTATION BROTH

#9
20220315552
2022-10-06

Δ-8-tetrahydrocannabinol from cannabidiol extracted from hemp

#10
20210300953
2021-09-30

Optically-active cyclopentenone derivatives

#11
20210070724
2021-03-11

METHOD FOR PRODUCING 2-ACETYL-4H,9H-NAPHTHO[2,3-B]FURAN-4,9-DIONE

#12
20210024434
2021-01-28

Integrated process for maximizing recovery of aromatics

#13
20200331879
2020-10-22

Method for producing purified dialkyl-furan-2,5-dicarboxylate

#14
20200190049
2020-06-18

Method for producing 2-acetyl-4H,9H-naphtho[2,3-b]furan-4,9-dione

#15
20200172450
2020-06-04

Photochemical separations and compositions

#16
20200024252
2020-01-23

Antifungal compound process

#17
20190284585
2019-09-19

Process for purification of malonic acid from fermentation broth

#18
20190263769
2019-08-29

Method for producing 2-acetyl-4H,9H-naphtho[2,3-B]furan-4,9-dione

#19
20190218243
2019-07-18

Processes for the preparation of sofosbuvir and intermediates thereof

#20
20190023676
2019-01-24

Method for producing purified dialkyl-furan-2,5-dicarboxylate

#21
20180369751
2018-12-27

Carbonized material, device for removing ozone, and method for removing ozone

#22
20180208571
2018-07-26

Method for obtaining vitamin E, sterols and/or terpenes from oily or fatty mixtures of biological origin

#23
20180208567
2018-07-26

Process for making hydroxyethyl piperazine compounds

#24
20180201597
2018-07-19

Method for producing 2-acetyl-4H,9H-naphtho[2,3-b]furan-4,9-dione

#25
20180155309
2018-06-07

Process for the preparation of a purified acid composition

#26
20180155308
2018-06-07

Process for the preparation of a purified acid composition

#27
20180142363
2018-05-24

Process for the purification of a carboxylic acid-containing composition

#28
20180134643
2018-05-17

Separation of enantiomers of 3-ethylbicyclo[3.2.0]hept-3-en-6-one

#29
20180094014
2018-04-05

Method of producing epirubicin and novel production intermediate thereof

#30
20180093987
2018-04-05

Process for preparing idelalisib

#31
20180065073
2018-03-08

PROCESS FOR MAKING SOLID PARTICLES

#32
20170252669
2017-09-07

Method for producing anhydrous sugar alcohol using azeotropic distillation

#33
20160222037
2016-08-04

Use of cyclohexa-2,5-dien-1-yl-silanes as precursors for gaseous hydrosilanes

#34
20160207898
2016-07-21

Process for purifying an acid composition comprising 2-formyl-furan-5-carboxylic acid and 2,5-furandicarboxylic acid

#35
20160200854
2016-07-14

Reduction of aldehydes in amine catalysts

#36
20140378702
2014-12-25

Processes for Separating Crude Acrylic Acids and Acrylates Comprising A Michael Addition Product

#37
20140107319
2014-04-17

Method for synthesis of peptide using a carrier

#38
20130252292
2013-09-26

BIOMASS EXTRACTION PROCESS

#39
20110172444
2011-07-14

METHOD FOR PURIFYING AMINOACETYLPYRROLIDINECARBONITRILE DERIVATIVE AND SALT THEREOF

#40
20110112293
2011-05-12

Purification Strategy for Direct Nucleophilic Procedures

#41
20100256176
2010-10-07

Method for the preparation of morphine compounds

#42
20100193180
2010-08-05

METHOD FOR PRODUCTION, SUBSTITUTION, OR MINING OF GAS HYDRATE

#43
20100184864
2010-07-22

Composite Material and Method for Production Thereof

#44
20100048947
2010-02-25

PURIFICATION METHOD OF 4-HYDROXYISOLEUCINE

#45
20100029904
2010-02-04

Carrier for separation, method for separation of compound, and method for synthesis of peptide using the carrier

#46
20090287028
2009-11-19

Process for production of gas hydrate

#47
20090148362
2009-06-11

Method for recovering tungsten

#48
20090032248
2009-02-05

Method for production, substitution, or mining of gas hydrate

#49
20080197084
2008-08-21

Reversibly switchable surfactants and methods of use thereof

#50
20080086019
2008-04-10

METHOD FOR TREATING FLUORINATED ALKYL ETHER

#51
20070020747
2007-01-25

Composition for eliminating ethidium bromide and use thereof

#52
20060128957
2006-06-15

Fluorous tagging and scavenging reactants and methods of synthesis and use thereof

#53
17214229
2022-04-05

Process for production of essentially pure Δ8-tetrahydrocannabinol from cannabidiol extracted from hemp