ClassID:

91113

C07C29/90 - 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 using hydrogen only

Recent Application in this class:
#1
20260022087
2026-01-22

PROCESS DEVICE USING IPA AND METHOD THEREOF

#2
20240300877
2024-09-12

METHODS FOR CO-PRODUCING XYLITOL AND CARAMEL PIGMENT

#3
20230348350
2023-11-02

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

#4
20230022664
2023-01-26

PROCESS FOR TREATING POLYESTER METHANOLYSIS DEPOLYMERIZATION PRODUCT STREAMS

#5
20200189991
2020-06-18

Process for the preparation of deuterated ethanol from D2

#6
20200165175
2020-05-28

Process for the preparation of deuterated ethanol from DO

#7
20190112248
2019-04-18

Method for increasing UV transmittance of ethylene glycol

#8
20180312454
2018-11-01

Process for the preparation of deuterated ethanol from D2

#9
20180312450
2018-11-01

Process for the preparation of deuterated ethanol from DO

#10
20180237367
2018-08-23

PROCESS AND SYSTEMS FOR OBTAINING 1,4-BUTANEDIOL FROM FERMENTATION BROTHS

#11
20180222830
2018-08-09

Method for producing monoethylene glycol

#12
20170015608
2017-01-19

Method for breakdown of formates

#13
20160031778
2016-02-04

Process and systems for obtaining 1,4-butanediol from fermentation broths

#14
20150141710
2015-05-21

Purification of alcohols prior to their use in the presence of an acid catalyst

#15
20150045460
2015-02-12

Process for synthesis of alcohols

#16
20150013798
2015-01-15

Device and method for removing dissolved oxygen in alcohol, alcohol supply apparatus and rinsing liquid supply apparatus

#17
20140350308
2014-11-27

Process for purifying a stream comprising 1,4-butanediol

#18
20140296583
2014-10-02

Process for obtaining trimethylolpropane-enriched product streams from the secondary streams of trimethylolpropane preparation

#19
20140296542
2014-10-02

Method for recovering di-trimethylolpropane and trimethylolpropane-enriched product streams from the side streams of trimethylolpropane production

#20
20140288318
2014-09-25

Method for recovering di-trimethylolpropane and trimethylolpropane-enriched product streams from the side streams of trimethylolpropane production

#21
20140275465
2014-09-18

PROCESS AND SYSTEMS FOR OBTAINING 1,4-BUTANEDIOL FROM FERMENTATION BROTHS

#22
20130331618
2013-12-12

Method for improving the quality of ethylene glycol products

#23
20130131391
2013-05-23

Method for obtaining ditrimethylolpropane and trimethylolpropane-enriched product streams from the side-streams in trimethylolpropane production

#24
20130116346
2013-05-09

Conversion of organosulfur compounds to hydrogen sulfide in mixed alcohol synthesis reactor effluent

#25
20120277481
2012-11-01

Integrated process for producing acetic acid and alcohol

#26
20120238785
2012-09-20

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

#27
20120157721
2012-06-21

Process for producing ethanol using multiple beds each having different catalysts

#28
20120149949
2012-06-14

Process for producing ethanol using a stacked bed reactor

#29
20120046501
2012-02-23

Hydrogenolysis of ethyl acetate in alcohol separation processes

#30
20120010448
2012-01-12

Finishing reactor for purifying ethanol

#31
20120010446
2012-01-12

Hydrogenolysis of ethyl acetate in alcohol separation processes

#32
20120010443
2012-01-12

Esterification of vapor crude product in the production of alcohols

#33
20120010437
2012-01-12

Liquid esterification for the production of alcohols

#34
20110313213
2011-12-22

Purification of alcohols prior to their use in the presence of an acid catalyst

#35
20110004030
2011-01-06

Process for the production of 1,2-propanediol

#36
20100272633
2010-10-28

METHOD FOR PRODUCING ALCOHOL, METHOD FOR PRODUCING HYDROGEN OR SYNTHESIS GAS USING THE METHOD FOR PRODUCING ALCOHOL, AND ALCOHOL

#37
20070260073
2007-11-08

Process for the purification of 1,4-butanediol

#38
20050277792
2005-12-15

Purification of biochemically derived 1,3-propanediol

#39
20050272962
2005-12-08

Purification of chemical 1,3-propanediol