ClassID:

92123

C07C68/02 - CPC Classification

Classification description:

Preparation of esters of carbonic or haloformic acids from phosgene or haloformates

Recent Application in this class:
#1
20260145949
2026-05-28

METHOD FOR PRODUCING CARBONYL HALIDE

#2
20250368611
2025-12-04

METHOD FOR PREPARING BERAPROST 314-D SODIUM

#3
20250051258
2025-02-13

PRODUCTION METHOD OF ASYMMETRIC CHAIN CARBONATE

#4
20220281800
2022-09-08

PURIFICATION OF AROMA CHEMICALS

#5
20210403409
2021-12-30

METHOD FOR PRODUCING CARBONATE DERIVATIVE

#6
20210300858
2021-09-30

METHOD FOR PRODUCING CARBONIC ESTERS

#7
20210284595
2021-09-16

Spirobiindane derivatives and a process for preparation thereof

#8
20200283370
2020-09-10

Production method of asymmetric chain carbonate

#9
20200231530
2020-07-23

Method for producing fluorine-containing dialkyl carbonate compounds

#10
20200095230
2020-03-26

SYNTHETIC ROUTE TO ANTI-VIRAL AGENTS

#11
20200010401
2020-01-09

Method for preparing dialkyl dicarbonates using amine oxides

#12
20190241507
2019-08-08

A Process for Manufacturing Isocyanates and/or Polycarbonates

#13
20190185407
2019-06-20

Method for producing dialkyldicarbonates using tertiary amines as catalysts

#14
20190177264
2019-06-13

FLUORINATED CARBONATES COMPRISING DOUBLE BOND-CONTAINING GROUPS, METHODS FOR THEIR MANUFACTURE AND USES THEREOF

#15
20190177262
2019-06-13

PROCESS FOR PRODUCING CHLOROFORMATE COMPOUND

#16
20190084966
2019-03-21

Synthetic route to anti-viral agents

#17
20180364598
2018-12-20

Bischloroformate composition, bischloroformate composition production method, bischloroformate composition-containing solution, polycarbonate resin, polycarbonate resin production method, coating liquid, electrophotographic photoreceptor, and electrophotographic device

#18
20180361349
2018-12-20

METHOD FOR PHOSGENATING COMPOUNDS CONTAINING HYDROXYL, THIOL, AMINO AND/OR FORMAMIDE GROUPS

#19
20180346404
2018-12-06

Production method of asymmetric chain carbonate

#20
20180079717
2018-03-22

Process for preparing 3-chloro-2-vinylphenylsulfonates

#21
20170274341
2017-09-28

Method for the phosgenation of compounds comprising hydroxyl, thiol, amino and/or formamide groups

#22
20170096396
2017-04-06

Process for making modulators of cystic fibrosis transmembrane conductance regulator

#23
20170073300
2017-03-16

Method for producing diaryl carbonates

#24
20170073299
2017-03-16

Method for producing diaryl carbonates

#25
20170001943
2017-01-05

Method for producing carbonates

#26
20160347701
2016-12-01

Method for producing carbonates

#27
20160145190
2016-05-26

FLUORINATED CARBONATES COMPRISING DOUBLE BOND-CONTAINING GROUPS, METHODS FOR THEIR MANUFACTURE AND USES THEREOF

#28
20160002143
2016-01-07

Method for producing diaryl carbonate

#29
20150126759
2015-05-07

Hydroxytyrosol derivatives, their method of preparation and use in personal care

#30
20150073015
2015-03-12

Process for making modulators of cystic fibrosis transmembrane conductance regulator

#31
20140350281
2014-11-27

PROCESS FOR MAKING MODULATORS OF CYSTIC FIBROSIS TRANSMEMBRANE CONDUCTANCE REGULATOR

#32
20140342221
2014-11-20

Process for the manufacture of 1, 1′-difluorosubstituted dialkyl carbonates, isomers thereof and electrolyte compositions containing them

#33
20140275473
2014-09-18

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

#34
20130316906
2013-11-28

Phenyl-substituted bicyclooctane-1,3-dione-derivatives

#35
20130303783
2013-11-14

DEVICE AND PROCESS FOR CONTINUOUS PHOSGENATION

#36
20130072522
2013-03-21

Process for making modulators of cystic fibrosis transmembrane conductance regulator

#37
20130066037
2013-03-14

Method for producing bischloroformate compound, polycarbonate oligomer having small number of monomers and solution containing bischloroformate compound

#38
20120122921
2012-05-17

PROCESS FOR MAKING MODULATORS OF CYSTIC FIBROSIS TRANSMEMBRANE CONDUCTANCE REGULATOR

#39
20120116111
2012-05-10

Process for the preparation of fluoroalkyl (fluoro)alkyl carbonates and carbamates

#40
20120101292
2012-04-26

Method for producing bischloroformate compound, polycarbonate oligomer having small number of monomers and solution containing bischloroformate compound

#41
20120070749
2012-03-22

Process for the preparation of 4-fluoro-4-R-5-R'-1,3-dioxolane-2-ones

#42
20120059056
2012-03-08

Carbonate derivatives as skin care

#43
20120022282
2012-01-26

PROCESS FOR THE PREPARATION OF 2,4,6-OCTATRIENE-1-OIC ACID AND 2,4,6-OCTATRIENE-1-OL

#44
20120016079
2012-01-19

Process for preparing solutions of radiation-sensitive, free-radically polymerizable organic compounds

#45
20110278174
2011-11-17

Process for preparing diaryl carbonates and polycarbonates

#46
20110245527
2011-10-06

Process for preparing diaryl carbonates and polycarbonates

#47
20110147229
2011-06-23

Process for production of diaryl carbonate

#48
20110086928
2011-04-14

MITIGATING OR ELIMINATING THE CARBON FOOTPRINT OF HUMAN ACTIVITIES

#49
20110065933
2011-03-17

Photochemical process for producing artemisinin

#50
20110009592
2011-01-13

Process for the preparation of polycarbonate

#51
20100286431
2010-11-11

Process for preparing diaryl carbonate

#52
20100267768
2010-10-21

Process for making modulators of cystic fibrosis transmembrane conductance regulator

#53
20100247971
2010-09-30

Lubricant composition, magnetic recording medium, and novel polyether compound

#54
20100094039
2010-04-15

PROCESS FOR PREPARING DIARYL CARBONATES

#55
20090293348
2009-12-03

Efficient and selective chemical recycling of carbon dioxide to methanol, dimethyl ether and derived products

#56
20090285739
2009-11-19

MITIGATING OR ELIMINATING THE CARBON FOOTPRINT OF HUMAN ACTIVITIES

#57
20090240021
2009-09-24

Process for the preparation of polycarbonates and diaryl carbonate

#58
20090173636
2009-07-09

PROCESS FOR PRODUCTION OF DIARYL CARBONATE

#59
20090143610
2009-06-04

Method of preparing a purified ester-substituted phenol stream

#60
20090105495
2009-04-23

Method for preparing ester compounds as bleach activators

#61
20080319218
2008-12-25

Processes for Making and Using Benzyl Pentahydroxyhexylcarbamoylundecanoate

#62
20080053836
2008-03-06

PROCESS FOR THE PRODUCTION OF DIARYL CARBONATES AND TREATMENT OF ALKALICHLORIDE SOLUTIONS RESULTING THEREFROM

#63
20080020243
2008-01-24

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

#64
20080009646
2008-01-10

Method of preparing ester-substituted diaryl carbonates

#65
20070287855
2007-12-13

Process for Preparing Fluorinated Molecules

#66
20070282091
2007-12-06

Method of preparing ester-substituted diaryl carbonates

#67
20070254969
2007-11-01

Efficient and selective chemical recycling of carbon dioxide to methanol, dimethyl ether and derived products

#68
20070213552
2007-09-13

Process for preparing dialkyl dicarbonates

#69
20060293535
2006-12-28

Method for the preparation of aromatic chloroformates

#70
20060235091
2006-10-19

Efficient and selective conversion of carbon dioxide to methanol, dimethyl ether and derived products

#71
20060084822
2006-04-20

Method for the prepration of aliphatic chloroformates

#72
20060025622
2006-02-02

Method of preparing ester-substituted diaryl carbonates

#73
20050119341
2005-06-02

3-substituted oxyglutaric diester compound, optically active 3-substituted oxyglutaric monoester compound, and processes for producing these

#74
20050065361
2005-03-24

Process for preparing alkyl/aryl chloroformates