ClassID:

95115

C07D317/38 - CPC Classification

Classification description:

Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 not condensed with other rings with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms; Oxygen atoms; Alkylene carbonates; Substituted alkylene carbonates Ethylene carbonate

Recent Application in this class:
#1
20260098014
2026-04-09

IONIZABLE LIPIDOID COMPOSITIONS AND THERAPEUTIC USES THEREOF

#2
20260008765
2026-01-08

METHOD FOR PREPARING AND SEPARATING ALKYLENE CARBONATE USING CARBON DIOXIDE IN AIR

#3
20260001858
2026-01-01

DEVICE SYSTEM AND METHOD FOR PREPARING CYCLIC CARBONATE BY DIOL ESTERIFYING CYCLIZATION

#4
20250381557
2025-12-18

IMMOBILIZED ZINC COMPLEX HAVING GUANIDINE LIGAND, METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING CYCLIC CARBONATE USING SAME

#5
20250361220
2025-11-27

METHOD FOR PRODUCING ALKYLENE CARBONATE, AND APPARATUS FOR PRODUCING ALKYLENE CARBONATE

#6
20250352989
2025-11-20

CATALYSTS FOR SYNTHESIZING CYCLIC CARBONATES, PREPARATION METHODS AND USES THEREOF

#7
20250263389
2025-08-21

RECYCLED CYCLIC CARBONATE COMPOSITION AND PREPARATION METHOD OF THE SAME

#8
20250250248
2025-08-07

METHOD FOR FIXATING CARBON DIOXIDE WITH EPOXIDE TO FORM A SUBSTITUTED CYCLIC CARBONATE

#9
20250188599
2025-06-12

SHIELDING COMPOUND, METHOD OF FORMING THIN FILM USING SHIELDING COMPOUND, SEMICONDUCTOR SUBSTRATE FABRICATED USING METHOD, AND SEMICONDUCTOR DEVICE INCLUDING SEMICONDUCTOR SUBSTRATE

#10
20250188051
2025-06-12

SYNTHESIS METHOD FOR ALKYLENE CARBONATE

#11
20250174717
2025-05-29

POLYMER ELECTROLYTES AND BATTERIES WITH THE SAME

#12
20240199567
2024-06-20

METHOD FOR INDUSTRIALLY PRODUCING CYCLIC ALKYLENE CARBONATE

#13
20240189268
2024-06-13

SESQUITERPENE DERIVATIVE OR PHARMACEUTICALLY ACCEPTABLE SALT THEREOF AND USE THEREOF

#14
20230321624
2023-10-12

APPARATUS AND METHOD FOR CONVERTING TOXIC GAS OF STERILIZATION PROCESSES TO BENIGN SUBSTANCES

#15
20230303771
2023-09-28

MONOMERS FOR NON-ISOCYANATE POLYURETHANES

#16
20230286936
2023-09-14

Direct synthesis of cyclic carbonates using choline chloride as catalyst under mild conditions

#17
20230174499
2023-06-08

Method for purifying ethylene carbonate through dynamic crystallization

#18
20230102163
2023-03-30

Electrolyte solution, electrochemical device, lithium ion secondary battery and module

#19
20220410104
2022-12-29

GAS-LIQUID BUBBLING BED REACTOR, REACTION SYSTEM, AND PROCESS FOR SYNTHESIZING CARBONATE ESTER

#20
20220401937
2022-12-22

CATALYST COMPOSITION FOR CYCLIC CARBONATE PRODUCTION FROM CO2 AND OLEFINS

#21
20220379290
2022-12-01

CATALYST COMPOSITION FOR CYCLIC CARBONATE PRODUCTION FROM CO2 AND EPOXIDES

#22
20220334095
2022-10-20

Method and apparatus for quantitatively analyzing a gaseous process stream

#23
20220298132
2022-09-22

Process and system for the production of ethylene carbonate and/or ethylene glycol

#24
20220274944
2022-09-01

COMPOSITE ABSORBENT AND USE THEREOF

#25
20220056005
2022-02-24

PROCESS FOR PREPARING CARBONATES BY ADDITION OF CO2 WITH AN EPOXIDE

#26
20220024841
2022-01-27

Process for the preparation of ethylene glycol

#27
20210403409
2021-12-30

METHOD FOR PRODUCING CARBONATE DERIVATIVE

#28
20210355079
2021-11-18

Prodrugs of hydroxamate-based GCPII inhibitors

#29
20210280910
2021-09-09

Electrolyte and electrochemical device

#30
20210206787
2021-07-08

Prodrugs of glutamine analogs

#31
20210206713
2021-07-08

Compounds and methods for the treatment of neurodegenerative diseases

#32
20210198227
2021-07-01

Process for preparing ethylene carbonate and ethylene glycol

#33
20210163439
2021-06-03

PROCESS FOR PREPARING CARBONATES BY ADDITION OF CO2 WITH AN EPOXIDE

#34
20210070729
2021-03-11

Process for producing glycerol carbonate methacrylate

#35
20210061659
2021-03-04

NOVEL PEROXIDE STABILIZERS

#36
20200399239
2020-12-24

Process to continuously prepare a cyclic carbonate

#37
20200392101
2020-12-17

Process for preparing ethylene carbonate and ethylene glycol using an alkyl iodide guard bed system

#38
20200280096
2020-09-03

Electrolytic solution, electrochemical device, lithium ion secondary battery, and module

#39
20200102438
2020-04-02

EXPANDABLE COMPOSITION COMPRISING A CYCLIC CARBONATE AND A BASE

#40
20200079723
2020-03-12

Carbonate derivative production method

#41
20200055020
2020-02-20

Metal-organic frameworks for the adsorption and catalytic transformations of carbon dioxide

#42
20200028214
2020-01-23

Electrolyte solution, electrochemical device, lithium ion secondary battery and module

#43
20200020982
2020-01-16

Electrolytic solution, electrochemical device, lithium-ion secondary cell, and module

#44
20200020979
2020-01-16

METHOD FOR STABILIZING HIGH-PURITY ETHYLENE CARBONATE-CONTAINING COMPOSITION

#45
20190352255
2019-11-21

Prodrug compositions and utility of hydroxamate-based GCPII inhibitors

#46
20190317065
2019-10-17

Method and apparatus for quantitatively analyzing a gaseous process stream

#47
20190315784
2019-10-17

Prodrugs of glutamine analogs

#48
20190315783
2019-10-17

Prodrugs of glutamine analogs

#49
20190285983
2019-09-19

Radiation-sensitive resin composition, onium salt compound and method for forming resist pattern

#50
20190284171
2019-09-19

METHOD OF CONVERTING CARBON DIOXIDE INTO CARBONYL COMPOUNDS

#51
20190270698
2019-09-05

COMPOUNDS AND METHODS FOR THE TREATMENT OF NEURODEGENERATIVE DISEASES

#52
20190262799
2019-08-29

Mg-doped ALUMINA AEROGEL AND MANUFACTURING METHOD THEREOF

#53
20190256487
2019-08-22

HYDROXYNORKETAMINE PRODRUGS

#54
20190241538
2019-08-08

Compounds having two or more exovinylene cyclocarbonate units

#55
20190169154
2019-06-06

Processes and systems for the recycle of process water in the production of ethylene glycol

#56
20190092736
2019-03-28

Compositions and methods to produce alkoxylated triazine-arlhydroxy-aldehyde condensates

#57
20190060887
2019-02-28

Polymer-supported metal

#58
20180222930
2018-08-09

Prodrugs of glutamine analogs

#59
20180141814
2018-05-24

Peroxide stabilizers

#60
20180072842
2018-03-15

Hydrocarbon polymers comprising two exo-vinylene cyclic carbonate terminal groups

#61
20170197931
2017-07-13

Apparatus and method for producing cyclic carbonate

#62
20170158654
2017-06-08

Method for the production of ethylene oxide

#63
20170008871
2017-01-12

2-hydroxyethyl 2-oxo-1,3-dioxolane-4-carboxylates, their preparation and use

#64
20160326132
2016-11-10

Five-membered cyclic biscarbonates bearing amide linkages, their preparation and their uses for the preparation of polymers

#65
20160168112
2016-06-16

Method for continuously producing cyclic carbonate

#66
20160145234
2016-05-26

Method for producing cyclic carbonate

#67
20160108071
2016-04-21

Method for producing silica gel-immobolized phosphonium salt catalysts

#68
20160067695
2016-03-10

Method for producing catalyst for cyclic carbonate synthesis

#69
20160060242
2016-03-03

Method for producing catalyst for cyclic carbonate synthesis

#70
20150376331
2015-12-31

Polymers, co-polymers, and monomers using COas a reagent

#71
20150353521
2015-12-10

2-oxo-1,3-dioxolane-4-carboxamide building blocks, their preparation and use

#72
20150051365
2015-02-19

2-Oxo-1,3-dioxolane-4-carboxamides, their preparation and use

#73
20140378689
2014-12-25

Preparing cyclocarbonate-functionalized compounds

#74
20140221672
2014-08-07

Process for Preparing Carbonate and Diol Products

#75
20140221671
2014-08-07

Process for producing a solid oxidic material

#76
20140128620
2014-05-08

Process for the preparation of alkylene glycol

#77
20130317237
2013-11-28

Synthesis of cyclic carbonates

#78
20130317179
2013-11-28

Supported quaternary phosphonium catalyst, preparation and use thereof

#79
20130310575
2013-11-21

Methods and systems for the formation of cyclic carbonates

#80
20130225850
2013-08-29

Process for preparing dialkyl carbonate and diol products

#81
20130225840
2013-08-29

Process for preparing carbonate and diol products

#82
20130165669
2013-06-27

Reactive recovery of dimethyl carbonate from dimethyl carbonate/methanol mixtures

#83
20130004862
2013-01-03

Nonaqueous electrolyte solution, electrochemical element using same, and 1,2-dioxypropane compound used in same

#84
20120259087
2012-10-11

Bicarbonate precursors, method for preparing same and uses thereof

#85
20120136178
2012-05-31

Process for the preparation of ethylene glycol

#86
20110313177
2011-12-22

2-oxo-1, 3-dioxolane-4-carboxylic acid and derivatives thereof, their preparation and use

#87
20110288309
2011-11-24

Sequestration of carbon dioxide using metal oxides

#88
20110118485
2011-05-19

Process for preparing fluoropropylene carbonate

#89
20110108762
2011-05-12

Process for the production of alkylene carbonate

#90
20110015409
2011-01-20

SYNTHESIS OF CYCLIC CARBONATES

#91
20110009660
2011-01-13

Process for the removal of HF from HF containing organic carbonates

#92
20110009645
2011-01-13

MEMBRANE SEPARATION METHOD FOR SEPARATING HIGH BOILER DURING THE PRODUCTION OF 1,3-DIOXOLANE-2-ONES

#93
20110009644
2011-01-13

Process for preparing fluorinated 1,3-dioxolan 2-one

#94
20100249436
2010-09-30

METHOD FOR PRODUCING CARBONATE COMPOUND

#95
20100240912
2010-09-23

METHOD FOR PRODUCING CARBONATE COMPOUND

#96
20100123097
2010-05-20

Method for making carbonates and esters

#97
20100036137
2010-02-11

PROCESS FOR THE PREPARATION OF ALKYLENE CARBONATES

#98
20090221840
2009-09-03

PROCESS FOR PURIFYING ETHYLENE CARBONATE, PROCESS FOR PRODUCING PURIFIED ETHYLENE CARBONATE, AND ETHYLENE CARBONATE

#99
20090156867
2009-06-18

Process for the preparation of alkylene glycol

#100
20090143627
2009-06-04

Process for the preparation of alkylene glycol

#101
20080255373
2008-10-16

PROCESS FOR THE PRODUCTION OF GLYCEROL CARBONATE ESTERS

#102
20080214386
2008-09-04

Catalyst for Cyclic Carbonate Synthesis

#103
20080200542
2008-08-21

Benzoyl-substituted serineamides

#104
20080103040
2008-05-01

Catalytic Composition for the Insertion of Carbon Dioxide Into Organic Compounds

#105
20080071096
2008-03-20

Process for the preparation of alkylene carbonate

#106
20080064881
2008-03-13

Process for the preparation of alkylene glycol

#107
20080033185
2008-02-07

Process for the preparation of alkylene carbonate

#108
20070299267
2007-12-27

PROCESS FOR THE PRODUCTION OF GLYCEROL CARBONATE ESTERS

#109
20070276146
2007-11-29

Adenine modified silica-based catalyst, a process for the preparation and use there for the production of cyclic carbonates

#110
20070179303
2007-08-02

Process for the preparation of alkylene carbonates

#111
20060009368
2006-01-12

Alkylglycidol carbonates as cosurfactants

#112
15713577
2018-11-06

Compositions and methods to produce Alkoxylated triazine-arylhydroxy-aldehyde condensates