ClassID:

92127

C07C68/08 - CPC Classification

Classification description:

Preparation of esters of carbonic or haloformic acids Purification; Separation; Stabilisation

Recent Application in this class:
#1
20250109106
2025-04-03

Synthetic intermediates and improved processes for preparing ROCk inhibitors

#2
20250051259
2025-02-13

METHOD FOR PRODUCING HIGHLY PURE DIARYL CARBONATE

#3
20250034078
2025-01-30

METHOD FOR PRODUCING CARBONATE

#4
20250026712
2025-01-23

METHOD FOR PRODUCING CARBONATE

#5
20240400496
2024-12-05

METHOD FOR PRODUCING DIPHENYL CARBONATE

#6
20240375059
2024-11-14

METAL-ORGANIC FRAMEWORK (MOF)-801@CHITOSAN (CS) PERVAPORATION MEMBRANE AND USE THEREOF IN METHANOL/DIMETHYL CARBONATE SEPARATION

#7
20240199527
2024-06-20

PRODUCTION METHOD OF DIALKYL CARBONATE AND PRODUCTION APPARATUS FOR DIALKYL CARBONATE

#8
20240198251
2024-06-20

METHOD AND APPARATUS FOR RECOVERING ORGANIC CARBONATES

#9
20240132424
2024-04-25

METHOD FOR THE COPRODUCTION OF C10 TO C13 OLEFINS AND ESTERS FROM FATTY ACID METHYL ESTERS

#10
20240124384
2024-04-18

UNSYMMETRIC LINEAR CARBONATE AND METHOD FOR PREPARING THEREOF

#11
20240034714
2024-02-01

Energy-saving method for preparing electronic-grade carbonate

#12
20240017999
2024-01-18

Method for recovering raw and auxiliary materials in the production of lithium bis(fluorosulfonyl)imide

#13
20240002330
2024-01-04

METHOD OF PREPARING HETEROGENEOUS LINEAR CARBONATE ADOPTING CATALYTIC FILTERING

#14
20230365486
2023-11-16

APPARATUS AND METHOD OF PRODUCING DIMETHYL CARBONATE BY REACTIVE DISTILLATION USING HYBRID HEAT INTEGRATION

#15
20230265040
2023-08-24

PROCESS FOR PURIFICATION OF PLEUROMUTILINS

#16
20230250052
2023-08-10

SEPARATION METHOD

#17
20230024976
2023-01-26

Methods of producing dimethyl carbonate

#18
20220281800
2022-09-08

PURIFICATION OF AROMA CHEMICALS

#19
20220281799
2022-09-08

Organic carbonate production process

#20
20220227695
2022-07-21

Method Of Producing A Low Glycidol Monoglyceride Composition And The Low Glycidol Monoglyceride Composition As Such

#21
20220017450
2022-01-20

Process for preparing dialkyl carbonate and alkanediol

#22
20210284595
2021-09-16

Spirobiindane derivatives and a process for preparation thereof

#23
20200231530
2020-07-23

Method for producing fluorine-containing dialkyl carbonate compounds

#24
20200140399
2020-05-07

Diaryl carbonate and method for producing the same, and method for producing an aromatic polycarbonate resin

#25
20190062259
2019-02-28

Method for separating dimethyl carbonate from methanol

#26
20180354887
2018-12-13

Process for preparing a diaryl carbonate

#27
20180021728
2018-01-25

Pervaporation and Vapor-Permeation Separation of Gas-Liquid Mixtures and Liquid Mistures by SAPO-34 Molecular Sieve Membrane Prepared in Dry-Gel Process

#28
20180015421
2018-01-18

Pervaporation and Vapor-Permeation Separation of Gas-Liquid Mixtures and Liquid Mistures by Ion Exchanged SAPO-34 Molecular Sieve Membrane

#29
20180015420
2018-01-18

Method for the Pervaporation and Vapor-Permeation Separation of Gas-Liquid Mixtures and Liquid Mixtures by SAPO-34 Molecular Sieve Membrane

#30
20170355659
2017-12-14

Carbonate ester purification method, carbonate ester solution production method, and carbonate ester purification apparatus

#31
20170349530
2017-12-07

Method and apparatus for purification of dimethyl carbonate using pervaporation

#32
20170342209
2017-11-30

Composition comprising titanium or zirconium alkoxide or aryloxide and use thereof

#33
20170342017
2017-11-30

Carbonate ester purification method, carbonate ester solution production method, and carbonate ester purification apparatus

#34
20170073300
2017-03-16

Method for producing diaryl carbonates

#35
20170073299
2017-03-16

Method for producing diaryl carbonates

#36
20170057904
2017-03-02

Process for producing dimethyl carbonate

#37
20160122281
2016-05-05

PROCESS FOR PRODUCING AROMATIC CARBONATES

#38
20150307440
2015-10-29

Reduced coenzyme Qderivative and method for production thereof

#39
20150291504
2015-10-15

Method of manufacturing diethyl carbonate

#40
20150152037
2015-06-04

Method for producing carbonate compound and method for producing aromatic polycarbonate

#41
20140275600
2014-09-18

Process for removing an alkanol impurity from an organic carbonate stream

#42
20140275473
2014-09-18

Process for purification of diphenyl carbonate for the manufacturing of high quality polycarbonate

#43
20140234162
2014-08-21

Stabilization of pyrocarbonic acid diesters by finely divided solids

#44
20140081039
2014-03-20

Process for the continuous manufacture of aryl alkyl carbonate and/or diaryl carbonate using vapor recompression

#45
20140024850
2014-01-23

Stabilization of dicarbonate diesters with protonic acids

#46
20130144080
2013-06-06

PROCESS FOR OBTAINING A DIALKYL CARBONATE AND AN ALKYLENE GLYCOL

#47
20120283464
2012-11-08

Process for the production of high-purity dimethyl carbonate

#48
20120237650
2012-09-20

Stabilization of diesters of dicarbonic acid

#49
20120226065
2012-09-06

Process for removing an alkanol impurity from a dialkyl carbonate stream

#50
20120184767
2012-07-19

Process for preparing alkanediol and dialkyl carbonate

#51
20120130110
2012-05-24

PROCESS FOR CONTINUOUSLY PREPARING DIALKYL CARBONATE

#52
20120101293
2012-04-26

PROCESS FOR CONTINUOUSLY PREPARING DIALKYL CARBONATE

#53
20110313185
2011-12-22

PRODUCTION PROCESS OF DIALKYL CARBONATE

#54
20110237819
2011-09-29

Process for preparing dialkyl carbonates

#55
20110233104
2011-09-29

Container containing fluorinated organic carbonates

#56
20110213173
2011-09-01

Process for removing an alkanol impurity from an organic carbonate stream

#57
20110144371
2011-06-16

PROCESS FOR PURIFYING DIALKYL CARBONATES

#58
20110140047
2011-06-16

Formulations and method for raising the flash points of volatile organic solvents

#59
20110009660
2011-01-13

Process for the removal of HF from HF containing organic carbonates

#60
20100069658
2010-03-18

Stabilization of diesters of dicarbonic acid

#61
20090287014
2009-11-19

Process for production of high-purity diaryl carbonate

#62
20090287012
2009-11-19

Process for production of high-purity diaryl carbonate

#63
20090209724
2009-08-20

Process for industrially producing high-quality aromatic polycarbonate

#64
20090163734
2009-06-25

Process for producing high-purity diphenyl carbonate on industrial scale

#65
20090140208
2009-06-04

AQUEOUS CARBON BLACK FORMULATIONS FOR INK JET

#66
20090137832
2009-05-28

Processes for purifying diaryl carbonates

#67
20090105494
2009-04-23

Industrial process for production of dialkyl carbonate and diol

#68
20090104322
2009-04-23

Stabilization of dicarbonate diesters with protonic acids

#69
20090054676
2009-02-26

Industrial process for separating out dialkyl carbonate

#70
20080223711
2008-09-18

Industrial Process for Production of Aromatic Carbonate

#71
20080064846
2008-03-13

Industrial Process for Production of High-Purity Diaryl Carbonate

#72
20080051595
2008-02-28

Industrial process for separating out by-produced alcohols

#73
20080045755
2008-02-21

Industrial Process For Separating Out By-Produced Alcohol

#74
20080041712
2008-02-21

Industrial process for production of high-purity diphenyl carbonate

#75
20080020243
2008-01-24

CARBONIC ACID ESTER, PRODUCTION PROCESS THEREFOR, AND MAGNETIC RECORDING MEDIUM

#76
20070276151
2007-11-29

Method For Preparing Asymmetric Linear Carbonate

#77
20070270604
2007-11-22

Process for production of high-purity diaryl carbonate

#78
20070265461
2007-11-15

Industrial process for production of an aromatic carbonate

#79
20070260084
2007-11-08

Industrial Process for Production of High-Purity Diaryl Carbonate

#80
20070260083
2007-11-08

Industrial Process for Production of High-Purity Diphenyl Carbonate

#81
20070255069
2007-11-01

Process for Industrially Producing an Aromatic Carboante

#82
20070219387
2007-09-20

Industrial Process for Producing an Aromatic Carbonate

#83
20070197816
2007-08-23

Process for the production of dialkyl carbonate and alkanediol

#84
20070191623
2007-08-16

Process for industrial production of an aromatic carbonate

#85
20070112214
2007-05-17

Process for making diaryl carbonate

#86
20050277782
2005-12-15

Method for removal of acid contaminants in a process for the synthesis of dimethyl carbonate

#87
20050240046
2005-10-27

Continuous method for preparing aromatic carbonate using a heterogeneous catalyst and a reaction apparatus for the same

#88
20050080274
2005-04-14

Process for producing carbonic ester

#89
20050014965
2005-01-20

Method of separating metallic catalyst constituents from reaction mixtures

#90
16599933
2022-10-25

System and method for synthesis of dialkyl carbonates using carbon dioxide reaction with methanol and ammonia

#91
16180124
2019-04-16

Microcrystal exfoliation by UV light irradiation

#92
15947426
2019-01-15

Spontaneous peeling of tetragonal microcrystals with short pulses of UV-light

#93
15345698
2017-10-24

Method of producing high-concentration alkyl carbonates using carbon dioxide as feedstock