ClassID:

91497

C07C45/85 - CPC Classification

Classification description:

Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds; Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification

Recent Application in this class:
#1
20260116837
2026-04-30

METHOD FOR NON-CATALYTIC EXTRACTION OF PHENOLIC ALDEHYDES FROM LIGNOCELLULOSIC BIOMASS

#2
20240102241
2024-03-28

INTEGRATED KRAFT PULP MILL AND THERMOCHEMICAL CONVERSION SYSTEM

#3
20220396917
2022-12-15

Integrated kraft pulp mill and thermochemical conversion system

#4
20220333302
2022-10-20

Pulping Liquors and Uses Thereof

#5
20210395180
2021-12-23

Acetone recovery and purification

#6
20200361897
2020-11-19

ENANTIOSELECTIVE DESTRUCTION OF CHIRAL MOLECULES

#7
20200299218
2020-09-24

Process for the recovery of ketones and glycols from fermentation

#8
20200002888
2020-01-02

Pulping Liquors and Uses Thereof

#9
20190135723
2019-05-09

Process for the recovery of ketones and glycols from fermentation

#10
20190077739
2019-03-14

Dissociation of 1,4-bis (4-phenoxybenzoyl)benzene—Lewis acid complex in a protic solvent

#11
20190039983
2019-02-07

Curcumin purification

#12
20180334420
2018-11-22

Dissociation of a 1,4-bis (4-phenoxybenzoyl)benzene-lewis acid complex in an aqueous solution

#13
20180134643
2018-05-17

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

#14
20170275230
2017-09-28

Terpene-derived acids and esters and methods for preparing and using same

#15
20170253538
2017-09-07

Enantioselective destruction of chiral molecules

#16
20170226695
2017-08-10

Integrated Kraft pulp mill and thermochemical conversion system

#17
20170218287
2017-08-03

Pulping liquors and uses thereof

#18
20160332952
2016-11-17

Terpene-derived acids and esters and methods for preparing and using same

#19
20160237014
2016-08-18

Process for the preparation of xanthohumol

#20
20160229781
2016-08-11

Krill oil refinery for purification of krill oil extract

#21
20160186073
2016-06-30

METHODS AND SYSTEMS FOR PROCESSING CELLULOSIC BIOMASS

#22
20160039733
2016-02-11

Method of isolating ingenol

#23
20160002137
2016-01-07

Process for removing formaldehyde from a composition comprising glycolaldehyde

#24
20150315111
2015-11-05

Processes for producing phenol

#25
20150094496
2015-04-02

Preparation of hop acids and their derivatives

#26
20150087851
2015-03-26

Method for recycling organic ruthenium compound for chemical vapor deposition

#27
20150038738
2015-02-05

Optical resolution methods for bicyclic compounds using enzymes

#28
20140296569
2014-10-02

Optical resolution methods for bicyclic compounds using asymmetric catalysts

#29
20140213827
2014-07-31

Preparation of hydroxy aldehydes

#30
20140107379
2014-04-17

Process for preparing isophorone in the presence of at least one defoamer in the wastewater column in the workup section

#31
20130319846
2013-12-05

Method for purifying acetone

#32
20130296612
2013-11-07

Method of purifying crude acetone stream

#33
20130261343
2013-10-03

Method for producing isophorone

#34
20130231506
2013-09-05

Phenol and cyclohexanone mixtures

#35
20130225867
2013-08-29

Phenol and cyclohexanone mixtures

#36
20130225866
2013-08-29

Processes for producing phenol

#37
20130217922
2013-08-22

Processes for producing phenol

#38
20130072723
2013-03-21

Methods and systems for co-producing a low-methanol content acetone

#39
20120071696
2012-03-22

Process for preparing 2-methyl-3-(4-tert-butylphenyl)propanal with high para-isomer purity

#40
20120029229
2012-02-02

Method for producing high purity terminal olefin compound

#41
20110288335
2011-11-24

Preparation of hop acids and their derivatives

#42
20110087052
2011-04-14

Process for the manufacture of alkenones

#43
20100226838
2010-09-09

PROCESS FOR THE REMOVAL OF CATALYST DEGRADATION PRODUCTS

#44
20100217049
2010-08-26

Process for dehydration of hexafluoroacetone hydrate

#45
20100145103
2010-06-10

Method for purifying acetone

#46
20100140075
2010-06-10

Method for purifying acetone

#47
20100105944
2010-04-29

Oxidative demetalling

#48
20090326277
2009-12-31

Method for purifying cyclic ketones

#49
20090326276
2009-12-31

Method for the production of cyclic ketones

#50
20090318733
2009-12-24

Method for purifying cyclic ketones

#51
20090281357
2009-11-12

Method for the production of cyclic ketones

#52
20090186142
2009-07-23

INCLUSION COMPOUND OF ISOHUMULONES AND COMPOSITION CONTAINING THE SAME

#53
20090118547
2009-05-07

4-(4-alkylcyclohexyl)benzaldehyde

#54
20090114522
2009-05-07

Method of minimizing aldehyde-based impurities in a process stream

#55
20080221366
2008-09-11

Method for the hydrogenation of mass fluxes containing aldehyde

#56
20080021110
2008-01-24

Production of gossypol co-crystals

#57
20070179322
2007-08-02

Method of treating an aldehyde mixture, use of the treated aldehyde, and an alcohol

#58
20070135653
2007-06-14

Process for removal of acrolein from acrylonitrile product streams

#59
20060293542
2006-12-28

Process for preparing high-purity, halogen-free o-phthaladehyde

#60
20060281953
2006-12-14

Recovery of an active catalyst component from a process stream

#61
20060211890
2006-09-21

Method for reducing cyclohexenone content of a cyclohexenone-containing organic mixture

#62
20060189833
2006-08-24

Treatment of an aqueous mixture containing an alkylene oxide with an ion exchange resin

#63
20060189829
2006-08-24

METHOD OF MINIMIZING ALDEHYDE BASED IMPURITIES IN A PROCESS STREAM

#64
20060124441
2006-06-15

Process for reducing the aldehyde concentration in a mixture comprising cyclohexanone and one or more aldehydes