ClassID:

91112

C07C29/88 - CPC Classification

Classification description:

Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring; Separation; Purification; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification of at least one compound

Sub-classes:
Recent Application in this class:
#1
20250361450
2025-11-27

Producing Synthetic Fuels from Acid Gas Streams

#2
20250340502
2025-11-06

PURIFICATION OF AN ETHYLENICALLY UNSATURATED ALCOHOL STREAM, PREPARATION OF AN ETHYLENICALLY UNSATURATED ALDEHYDE, IN PARTICULAR PRENAL, AND COMPOUNDS DERIVED THEREFROM

#3
20250333368
2025-10-30

METHOD OF MITIGATING CONVERSION OF VOLATILE TERPENE SPECIES

#4
20250162967
2025-05-22

PROCESS FOR PRODUCING A REFINED 1,4-BUTANEDIOL STREAM

#5
20250136536
2025-05-01

METHODS FOR VICINAL DIOL SEPARATION

#6
20240376033
2024-11-14

REMOVAL OF SULFATE FROM MEG STREAMS USING CALCIUM CHLORIDE

#7
20240368062
2024-11-07

PRODUCTION METHOD FOR POLYHYDRIC ALCOHOL

#8
20240300877
2024-09-12

METHODS FOR CO-PRODUCING XYLITOL AND CARAMEL PIGMENT

#9
20240300876
2024-09-12

METHODS OF PRODUCING LOW-ACETAL ETHANOL

#10
20240294451
2024-09-05

PROCESS FOR PURIFICATION OF A MIXTURE INCLUDING DIOLS AND ACETALS

#11
20240239730
2024-07-18

PHARMACEUTICAL COMPOSITIONS COMPRISING MONOTERPENES

#12
20240158326
2024-05-16

DOWNSTREAM PROCESSING OF FATTY ALCOHOL COMPOSITIONS PRODUCED BY RECOMBINANT HOST CELLS

#13
20240109829
2024-04-04

System and process for removal of organic carboxylates from mono ethylene glycol (MEG) water streams by acidification and vaporization under vacuum

#14
20240102241
2024-03-28

INTEGRATED KRAFT PULP MILL AND THERMOCHEMICAL CONVERSION SYSTEM

#15
20240018077
2024-01-18

METHOD OF MITIGATING CONVERSION OF VOLATILE TERPENE SPECIES

#16
20230406795
2023-12-21

Removal of sulfate from meg streams using calcium chloride

#17
20230357112
2023-11-09

Process for purification of products

#18
20230348350
2023-11-02

Systems and methods for co-producing xylitol and caramel pigment by utilizing xylose mother liquid

#19
20230257332
2023-08-17

PROCESS FOR REFINING A CRUDE ETHYLENE GLYCOL STREAM

#20
20220396917
2022-12-15

Integrated kraft pulp mill and thermochemical conversion system

#21
20220380281
2022-12-01

Removing organic acids in monoethylene glycol recovery

#22
20220363619
2022-11-17

Pharmaceutical compositions comprising monoterpenes

#23
20220363616
2022-11-17

RECYCLE CONTENT PROPANOL

#24
20220333302
2022-10-20

Pulping Liquors and Uses Thereof

#25
20220064088
2022-03-03

Method for treating an alcohol feedstock for the production of olefins

#26
20210340088
2021-11-04

Methods for vicinal diol separation

#27
20210323900
2021-10-21

Downstream Processing Of Fatty Alcohol Compositions Produced By Recombinant Host Cells

#28
20210292261
2021-09-23

System and process for removal of organic carboxylates from mono ethylene glycol (MEG) water streams by acidification and vaporization under vacuum

#29
20210284592
2021-09-16

Process for purification of products

#30
20210220788
2021-07-22

Systems for converting light paraffins to alcohols

#31
20210171473
2021-06-10

Oxopiperazine helix mimetics for control of hypoxia-inducible gene expression

#32
20210130271
2021-05-06

PHARMACEUTICAL COMPOSITIONS COMPRISING MONOTERPENES

#33
20210078928
2021-03-18

Removing organic acids in monoethylene glycol recovery

#34
20210061739
2021-03-04

Process for aldehyde removal from alcohols by treatment with bisulphite

#35
20200189996
2020-06-18

Membrane-based process for butanols production from mixed butenes

#36
20200131106
2020-04-30

Pharmaceutical compositions comprising monoterpenes

#37
20200002888
2020-01-02

Pulping Liquors and Uses Thereof

#38
20190233356
2019-08-01

System and process for removal of organic carboxylates from mono ethylene glycol (MEG) water streams by acidification and vaporization under vacuum

#39
20190232193
2019-08-01

Process for purifying an aqueous solution comprising diethylacetal

#40
20190161424
2019-05-30

Process for recovery of glycerol from biodiesel production streams

#41
20190134528
2019-05-09

METHODS AND SYSTEMS FOR REDUCING THE LEVEL OF ONE OR MORE IMPURITIES THAT ARE PRESENT IN A PRETREATED CELLULOSIC MATERIAL AND/OR DISTILLATE

#42
20180305282
2018-10-25

System and process for removal of organic carboxylates from mono ethylene glycol (MEG) water streams by acidification and vaporation under vacuum

#43
20180016215
2018-01-18

Butanol Purification

#44
20170368529
2017-12-28

System and method for pH control of lean MEG product from MEG regeneration and reclamation packages

#45
20170233320
2017-08-17

PROCESS FOR CLEANING CONTAMINATED FLUID

#46
20170226695
2017-08-10

Integrated Kraft pulp mill and thermochemical conversion system

#47
20170218287
2017-08-03

Pulping liquors and uses thereof

#48
20170190673
2017-07-06

Oxopiperazine helix mimetics for control of Hypoxia-Inducible gene expression

#49
20170015612
2017-01-19

Divalent ion removal from monoethylene glycol (MEG) feed streams

#50
20160368843
2016-12-22

Process for the preparation of 3-heptanol from a mixture containing 2-ehthylhexanal and 3-heptyl formate

#51
20160332942
2016-11-17

Pharmaceutical compositions comprising monoterpenes

#52
20160244388
2016-08-25

System and process for removal of organic carboxylates from mono ethylene glycol (MEG) water streams by acidification and vaporization under vacuum

#53
20160244387
2016-08-25

Method for the preparation of 1,4-butane diol having an APHA color index of less than 30

#54
20160237011
2016-08-18

Process for removal of sulphur from raw methanol

#55
20160200652
2016-07-14

Production of partially refined waste glycerol

#56
20160186073
2016-06-30

METHODS AND SYSTEMS FOR PROCESSING CELLULOSIC BIOMASS

#57
20160158162
2016-06-09

Pharmaceutical compositions comprising monoterpenes

#58
20160121236
2016-05-05

Methods and systems for reducing the level of one or more impurities that are present in a pretreated cellulosic material and/or distillate

#59
20160115108
2016-04-28

Process for producing polyhydric alcohol

#60
20160101403
2016-04-14

System and method for pH control of lean MEG product from MEG regeneration and reclamation packages

#61
20160039730
2016-02-11

Pharmaceutical compositions comprising monoterpenes

#62
20160009617
2016-01-14

Downstream processing of fatty alcohol compositions produced by recombinant host cells

#63
20160002130
2016-01-07

Divalent ion removal from monoethylene glycol (MEG) feed streams

#64
20150368173
2015-12-24

Pharmaceutical compositions comprising monoterpenes

#65
20150225324
2015-08-13

Butanol purification

#66
20150225323
2015-08-13

Divalent ion removal from monoethylene glycol (MEG) feed streams

#67
20150210618
2015-07-30

Energy efficient method and apparatus for the extraction of biomolecules from dilute aqueous solution

#68
20150152031
2015-06-04

Methods for producing bioderived propylene glycol

#69
20150119609
2015-04-30

Carboxylic acid salt removal during hydrate inhibitor recovery

#70
20150112102
2015-04-23

System and method for removal of heavy metal ions from a rich hydrate inhibitor stream

#71
20140275643
2014-09-18

Reactive scrubbing for upgrading product value, simplifying process operation and product handling

#72
20140256985
2014-09-11

Reactive distillation process and plant for obtaining acetic acid and alcohol from the hydrolysis of methyl acetate

#73
20140256978
2014-09-11

Use of sulfonic acid for recovering glycerol resulting from the triglyceride transesterification reaction

#74
20140116872
2014-05-01

Method for producing 1,4-butanediol

#75
20140081053
2014-03-20

Recovery of alcohols from purification residue

#76
20140081052
2014-03-20

Recovery of trimethylolpropane from purification residue

#77
20140066668
2014-03-06

Method and apparatus for processing glycol

#78
20130337521
2013-12-19

Methods and systems for reducing the level of one or more impurities that are present in a pretreated cellulosic material and/or distillate

#79
20130289317
2013-10-31

Method for converting farnesol to nerolidol in the presence of alpha-bisabolol

#80
20130225867
2013-08-29

Phenol and cyclohexanone mixtures

#81
20130184500
2013-07-18

Process for acetal removal in the purification of a crude ethanol product

#82
20130137904
2013-05-30

INTEGRATED PROCESS FOR PRODUCING POLYVINYL ALCOHOL OR A COPOLYMER THEREOF AND ETHANOL

#83
20130053534
2013-02-28

PROCESS FOR PREPARING NEOPENTYL GLYCOL

#84
20130035524
2013-02-07

Process for recovering alcohol

#85
20130035523
2013-02-07

Reducing acetals during ethanol separation process

#86
20130035522
2013-02-07

Processes for increasing alcohol production

#87
20130035520
2013-02-07

Reducing impurities in hydrogenation processes with multiple reaction zones

#88
20130035519
2013-02-07

Reducing acetals and/or esters during ethanol separation process

#89
20130035518
2013-02-07

Reducing acetals during ethanol separation process using high pressure distillation column

#90
20130035516
2013-02-07

Process for purifying a crude ethanol product

#91
20130032466
2013-02-07

Ethanol separation process having stripping section for reducing acetals

#92
20120277493
2012-11-01

Process to recover alcohol with secondary reactors for hydrolysis of acetal

#93
20120277491
2012-11-01

Reducing ethyl acetate concentration in recycle streams for ethanol production processes

#94
20120245385
2012-09-27

Reactive distillation process and plant for obtaining acetic acid and alcohol from the hydrolysis of methyl acetate

#95
20120245371
2012-09-27

PROCESS FOR THE PURIFICATION OF CRUDE ALKALINE GLYCEROL

#96
20120238785
2012-09-20

Process for the production of ethanol from an acetic acid feed and a recycled ethyl acetate feed

#97
20120157721
2012-06-21

Process for producing ethanol using multiple beds each having different catalysts

#98
20120149949
2012-06-14

Process for producing ethanol using a stacked bed reactor

#99
20120136178
2012-05-31

Process for the preparation of ethylene glycol

#100
20120046501
2012-02-23

Hydrogenolysis of ethyl acetate in alcohol separation processes

#101
20120010448
2012-01-12

Finishing reactor for purifying ethanol

#102
20120010446
2012-01-12

Hydrogenolysis of ethyl acetate in alcohol separation processes

#103
20120010443
2012-01-12

Esterification of vapor crude product in the production of alcohols

#104
20120010437
2012-01-12

Liquid esterification for the production of alcohols

#105
20110303870
2011-12-15

Process for workup of glycol-containing aircraft deicers

#106
20110280860
2011-11-17

Pharmaceutical compositions comprising monoterpenes

#107
20110275862
2011-11-10

Process for purifying a crude ethanol product

#108
20110263908
2011-10-27

Method for producing glycerol

#109
20110237773
2011-09-29

Glycerol treatment process

#110
20110160494
2011-06-30

Trimethylolpropane color improvement

#111
20110144404
2011-06-16

MTO Feed Purification

#112
20110118511
2011-05-19

Methods of purifying 1,2,4-butanetriol

#113
20110045558
2011-02-24

PROCESS FOR THE PREPARATION OF CITRIC ACID EMPLOYING FILAMENTOUS FUNGI IN A CULTURE MEDIUM COMPRISING GLYCEROL

#114
20110004031
2011-01-06

GLYCERIN PURIFICATION

#115
20100240933
2010-09-23

Lutein extraction from ozone-treated plant sources

#116
20100204512
2010-08-12

Process for the reduction of aldehyde concentration in a target stream

#117
20100191023
2010-07-29

Removing solids in monoethylene glycol reclamation

#118
20100168479
2010-07-01

Process for separating tertiary alcohols from secondary alcohols from pine oil

#119
20100137630
2010-06-03

Manufacture of purified alcohols

#120
20100121113
2010-05-13

Process for producing low color glycols

#121
20100055753
2010-03-04

Method for the production of concentrated alcohol from fermentation broths

#122
20090137851
2009-05-28

Purification of glycerin obtained as a bioproduct from the transesterification of triglycerides in the synthesis of biofuel

#123
20090048472
2009-02-19

Method for purification of glycerol from biodiesel production

#124
20090030235
2009-01-29

METHOD FOR FRACTIONATING STEREOISOMERIC COMPOUNDS

#125
20090030216
2009-01-29

Organic salts and method for producing chiral organic compounds

#126
20080237027
2008-10-02

Manufacture of alcohols

#127
20080194885
2008-08-14

Amine and membrane separation treament of liquid hydrocarbon media

#128
20080071102
2008-03-20

Processes for preparing niobium alkoxides, and niobium alkoxides prepared thereby

#129
20080033191
2008-02-07

Process for producing glycerol having low aldehyde and ketone content and improved storage stability

#130
20070284310
2007-12-13

Method and system for purifying ethanol

#131
20070238907
2007-10-11

Method for removing sulfur compounds from an alcohol stream

#132
20070238906
2007-10-11

Production of dry alcohol

#133
20070197837
2007-08-23

Method for the hydrodecomposition of ammonium formates in polyolcontaining reaction mixtures

#134
20070100160
2007-05-03

Process for removing farnesol from mixtures with alpha-bisabolol

#135
20070056468
2007-03-15

Process for the preparation of high-purity zirconium, hafnium, tantalum and niobium alkoxides

#136
20070049777
2007-03-01

Amine and membrane separation treatment of liquid hydrocarbon media

#137
20060211890
2006-09-21

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

#138
20060100464
2006-05-11

Purification of fluorinated alcohols

#139
20050256346
2005-11-17

Method for increasing yield in the production of polyvalent alcohols by splitting by-products containing acetal

#140
20050101777
2005-05-12

Method for preparing alkali and heat stable polyols

#141
20050038271
2005-02-17

Process for extraction and purification of lutein, zeaxanthin and rare carotenoids from marigold flowers and plants

#142
20050010064
2005-01-13

Method for purifying spent acid

#143
16218008
2020-02-25

Membrane-based process for butanols production from mixed butenes