ClassID:

99349

C08G63/81 - CPC Classification

Classification description:

Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule; Preparation processes using solvents

Recent Application in this class:
#1
20260125511
2026-05-07

POLYMERIZATION OF LACTONES IN POLAR PROTIC SOLVENTS

#2
20260117019
2026-04-30

HYDROLYSIS OF POLY(HYDROXYALKANOATES) IN AQUEOUS DISPERSIONS

#3
20260085149
2026-03-26

LOW COLOUR CURE SYTEM

#4
20250382412
2025-12-18

PROCESS FOR THE SYNTHESIS OF POLY-4-HYDROXYBUTYRATE

#5
20250368775
2025-12-04

BRANCHED POLYLACTIC ACID POLYMER AND METHOD FOR PREPARING THE SAME

#6
20250318361
2025-10-09

METHOD FOR PREPARING PIXEL DEFINE LAYER

#7
20250236703
2025-07-24

METHOD FOR PRODUCING POLYESTER COPOLYMER USING REUSED BIS-2-HYDROXYETHYL TEREPHTHALATE

#8
20250230275
2025-07-17

Resin and Method for Preparing Same

#9
20250092192
2025-03-20

IONIZABLE POLYESTERS, POLYPLEXES AND METHODS OF USE

#10
20250092189
2025-03-20

Curative

#11
20250051515
2025-02-13

PROCESS FOR THE PRODUCTION OF POLYESTER (CO)POLYMERS

#12
20250019493
2025-01-16

PROCESS FOR THE PRODUCTION OF POLYESTER COPOLYMERS

#13
20240425639
2024-12-26

SEMI-AROMATIC POLYESTER, AND PREPARATION METHOD THEREFOR AND USE THEREOF

#14
20240409684
2024-12-12

Ion-Crosslinked Polymeric or Oligomeric Compositions

#15
20240392063
2024-11-28

Polyhydroxyalkanoate Copolymers Prepared by Ring-Opening Polymerization and Related Compositions and Articles

#16
20240384026
2024-11-21

Resin and Method for Preparing Same

#17
20240382405
2024-11-21

POLYESTER ELASTOMERS FROM DI-CARBOXYLIC ACID OR TRI-CARBOXYLIC ACID, MONOCARBOXYLIC ACID, AND POLYOL FOR COSMETIC AND PERSONAL CARE APPLICATIONS

#18
20240376259
2024-11-14

CURATIVE

#19
20240368342
2024-11-07

Methods for Preparing Polyhydroxyalkanoate Polymer Compositions

#20
20240360275
2024-10-31

PROCESS OF MAKING A COPOLYESTER WITH GERMANIUM CATALYST

#21
20240327571
2024-10-03

CROSSLINKED POLYMER ELASTOMERS, COMPOSITIONS, AND METHODS OF PREPARATION THEREOF

#22
20240279519
2024-08-22

BIO-BASED COATINGS AND ADHESIVES USING OILS OF PHYSARIA FENDLERI AND EUPHORBIA LAGASCAE

#23
20240254280
2024-08-01

PLANT-BASED SUPPLE AND DURABLE TOPCOATS

#24
20240228698
2024-07-11

RENEWABLE AND SUSTAINABLE PROCESS FOR EXTRACTION OF PHA FROM MICROBIAL BIOMASS

#25
20240182605
2024-06-06

COMPOSITION COMPRISING AT LEAST ONE AROMATIC PEROXIDE AND AT LEAST HYDROGEN PEROXIDE

#26
20240174796
2024-05-30

Curative & Method

#27
20240158573
2024-05-16

POLYHYDROXYALKANOATE COMPOSITIONS AND METHODS OF MAKING THE SAME

#28
20240083849
2024-03-14

NEW BISPHENOLS BEARING PENDANT CLICKABLE NORBORNENYL GROUP AND POLYMERS THEREFROM

#29
20240065027
2024-02-22

METHOD FOR PREPARING PIXEL DEFINE LAYER

#30
20240052093
2024-02-15

Curable resin, curable resin composition, and cured product

#31
20240002593
2024-01-04

PRODUCTION METHOD FOR POLYESTER COPOLYMER COMPRISING RECYCLED MONOMERS

#32
20240002590
2024-01-04

CURATIVE

#33
20230288824
2023-09-14

ELECTROPHOTOGRAPHIC PHOTORECEPTOR, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

#34
20230250225
2023-08-10

POLYMERIZATIONS IN SUPERCRITICAL CARBON DIOXIDE, PRODUCTS OF SAME, AND USES THEREOF

#35
20230094406
2023-03-30

LIQUID CRYSTAL POLYESTER, METHOD FOR PRODUCING LIQUID CRYSTAL POLYESTER, RESIN SOLUTION, METAL-CLAD LAMINATE, AND METHOD FOR PRODUCING METAL-CLAD LAMINATE

#36
20230039563
2023-02-09

HEAT-SHRINKABLE POLYESTER FILM AND PRODUCTION METHOD THEREOF

#37
20230034643
2023-02-02

Curative

#38
20220380530
2022-12-01

METHOD FOR PRODUCTION POLYHYDROXYBUTYRIC ACID RESIN

#39
20220380528
2022-12-01

Curative

#40
20220340710
2022-10-27

METHOD FOR PRODUCING POLYHYDROXYALKANOATE AND USE THEREOF

#41
20220282048
2022-09-08

Biodegradable composite material having improved mechanical properties using natural polymer nanofiber aqueous dispersion and method of producing the same

#42
20220282031
2022-09-08

Curative

#43
20220220251
2022-07-14

Curative

#44
20220204689
2022-06-30

Liquid crystal polyester composition of low dielectric constant and low dielectric loss rate with improved fluidity

#45
20220195178
2022-06-23

BIORENEWABLE ELASTOMER GEL AND USES THEREOF

#46
20220185954
2022-06-16

Curative

#47
20220177724
2022-06-09

NOVEL NANOEMULSIONS, METHODS OF THEIR PRODUCTION AND RELATED USES AND PRODUCTS

#48
20220169783
2022-06-02

Liquid crystal polyester resin composition for ultra-thin injection and manufacturing method thereof

#49
20220153914
2022-05-19

METHOD FOR PRODUCING A MIXTURE COMPRISING AT LEAST ONE COMPOUND HAVING AT LEAST TWO HYDROXY AND/OR AMINO GROUPS AND USE THEREOF FOR PRODUCING A POLYMER

#50
20220081510
2022-03-17

Thermoplastic resin, optical film made therefrom, diol compound, diester compound

#51
20220033577
2022-02-03

Method for preparing biogenic guanidine complex, method for preparing polyethylene terephthalate (PET), and method for preparing poly (ethylene isophthalate-co-terephthalate) (PEIT)

#52
20210363292
2021-11-25

Dispersing resin, universal color paste used for impregnating coating and preparation method therefor

#53
20210292623
2021-09-23

Bio-based coatings and adhesives using oils of and

#54
20210261729
2021-08-26

MEDIUM OR HIGH MOLECULAR WEIGHT POLYESTER POWDERS, POWDER COATING COMPOSITIONS, AND PROCESSES OF MAKING POWDERS

#55
20210259945
2021-08-26

Biodegradable polyesters for water-resistant oil-in-water suncare formulations

#56
20210189061
2021-06-24

Process to prepare a cyclic oligomer and a cyclic oligomer obtainable thereby and a process to polymerize it

#57
20210139644
2021-05-13

Curative

#58
20210130541
2021-05-06

Curative and method

#59
20210115189
2021-04-22

Curative

#60
20210108030
2021-04-15

Curative

#61
20210108029
2021-04-15

Curative

#62
20210024686
2021-01-28

POLY(GLYCEROL SEBACATE)-INTERLEUKIN INHIBITOR COPOLYMERS AND METHODS OF MAKING AND USE

#63
20210005928
2021-01-07

Solid polymer electrolyte including crosslinked polymer of lactone/cyclic carbonate, and method of preparing the same

#64
20200354514
2020-11-12

Synthesis of tyrosine derived polyarylates

#65
20200332057
2020-10-22

Curative and method

#66
20200140607
2020-05-07

Ion-Crosslinked Polymeric or Oligomeric Compositions

#67
20200095373
2020-03-26

Process for manufacturing polyester resins

#68
20200002469
2020-01-02

Synthesis of polyglycolic acid with high molecular weight and high solubility at low cost

#69
20190352456
2019-11-21

MODIFIED LIQUID CRYSTAL POLYMER, POLYMERIC FILM, AND METHOD FOR MANUFACTURING THE MODIFIED LIQUID CRYSTAL POLYMER

#70
20190322799
2019-10-24

Curative

#71
20190315913
2019-10-17

Process for preparing biodegradable polymers of high molecular weight

#72
20190284402
2019-09-19

ACTIVE ESTER CURING AGENT COMPOUND FOR THERMOSETTING RESINS, FLAME RETARDANT COMPOSITION COMPRISING SAME, AND ARTICLES MADE THEREFROM

#73
20190270909
2019-09-05

CONTROLLED RELEASE OF WATER-SOLUBLE AGENTS

#74
20190194117
2019-06-27

COMPOSITIONS AND METHODS COMPRISING SALICYLATES AND POLYSALICYLATES

#75
20190169361
2019-06-06

Modified polyester and its preparation method

#76
20190135976
2019-05-09

Aqueous monomer compositions and methods of making and using the same

#77
20190031824
2019-01-31

Use of poly(alkylene terephthalates) and methods for their preparation

#78
20190016854
2019-01-17

Poly(glycerol sebacate)-interleukin inhibitor copolymers and methods of making and use

#79
20180362706
2018-12-20

Process for preparing poly(ester-carbonate)s and poly(ester-carbonate)s prepared thereby

#80
20180355103
2018-12-13

Synthesis of tyrosine derived polyarylates

#81
20180201724
2018-07-19

Method of producing glycolic acid polymers

#82
20180194893
2018-07-12

Method of preparing hyperbranched polyether ester

#83
20180016445
2018-01-18

Crosslinked phenolic compound, method of forming, and polymer composition containing the same

#84
20180009788
2018-01-11

Bisphenols containing pendant clickable maleimide group and polymers therefrom

#85
20170335058
2017-11-23

METHOD FOR PRODUCING POLYESTER POLYOLS

#86
20170306086
2017-10-26

Process for Manufacturing Medium and High Molecular Weight Polyesters

#87
20170247309
2017-08-31

Process for production of acrylates from epoxides

#88
20170158599
2017-06-08

COMPOSITIONS AND METHODS COMPRISING SALICYLATES AND POLYSALICYLATES

#89
20160251540
2016-09-01

Method of making coated articles

#90
20160222172
2016-08-04

Organotin ester polymer compositions, methods of manufacture, and uses thereof

#91
20160137775
2016-05-19

Methoxypolyethylene glycol-polylactic acid block copolymer and preparation method thereof

#92
20160128940
2016-05-12

Docetaxel nano-polymer micelle lyophilized preparation and preparation method thereof

#93
20150376329
2015-12-31

Polyester-based polymer having superior transparency and high heat resistance and preparation of the same

#94
20150344621
2015-12-03

AQUEOUS SOLUTION COMPRISING ACRYLIC ACID AND THE CONJUGATE BASE THEREOF

#95
20150344620
2015-12-03

Aqueous Monomer Compositions and Methods of Making and Using the Same

#96
20150344618
2015-12-03

Water-mediated preparations of polymeric materials

#97
20150299083
2015-10-22

PROCESS FOR PRODUCTION OF ACRYLATES FROM EPOXIDES

#98
20150183928
2015-07-02

PROCESS OF PRODUCING POLYLACTIC ACID-BASED RESIN MICROPARTICLES AND POLYLACTIC ACID-BASED RESIN MICROPARTICLES

#99
20150141611
2015-05-21

Polymer production apparatus and polymer production method

#100
20150087732
2015-03-26

Elastomer derived from epoxidized vegetable oil

#101
20150057385
2015-02-26

Preparation method of flexible polylactide stereocomplex and the compound thereof

#102
20150025218
2015-01-22

Polyglycolic acid and copolymers thereof from C1 feedstocks

#103
20140378644
2014-12-25

METHODS FOR PREPARATION OF MACROCYCLIC POLYESTER OLIGOMER VIA HETEROGENEOUS CATALYSIS

#104
20140342286
2014-11-20

Toner

#105
20140309366
2014-10-16

Method for preparing glycolide polyester by ring opening polymerization

#106
20140296448
2014-10-02

Method for producing polymer, device for producing polymer, device for producing complex, and polymer product

#107
20130053464
2013-02-28

Preparation method of flexible polylactide stereocomplex and the compound thereof

#108
20130005925
2013-01-03

Aqueous solution comprising acrylic acid and the conjugate base thereof

#109
20120302721
2012-11-29

Methods for preparation of macrocyclic polyester oligomer via heterogeneous catalysis

#110
20120283391
2012-11-08

Biodegradable thermoplastic elastomers

#111
20120184706
2012-07-19

METHOD FOR SYNTHESIZING POLYESTERS IN AN ACIDIC IONIC LIQUID MEDIUM

#112
20120129094
2012-05-24

TONER

#113
20120059185
2012-03-08

Process for producing polyether-polyester block copolymer

#114
20110237772
2011-09-29

Polyesteracetals

#115
20110237771
2011-09-29

Method for producing polyester resin

#116
20110218301
2011-09-08

POLYMER AND METHOD FOR PRODUCING THE SAME

#117
20110213116
2011-09-01

Preparation of low-acid polyalkylene terephthalate and preparation of macrocyclic polyester oligomer therefrom

#118
20110152493
2011-06-23

Method of making polylactic acid using carbene derivatives as the catalyst

#119
20100228019
2010-09-09

Production Process of Glucan Derivative Modified with Cyclic Ester

#120
20100197883
2010-08-05

Polyester resin and fabrication method thereof

#121
20100197838
2010-08-05

NANOPARTICLE-CONTAINING MACROCYCLIC OLIGOESTERS

#122
20100168365
2010-07-01

Production Process of Glucan Derivative Modified With Cyclic Ester

#123
20100121021
2010-05-13

Process for the preparation of polylactones and polylactams

#124
20100105943
2010-04-29

HYPERBRANCHED POLYESTERS

#125
20100069598
2010-03-18

RING-OPENING POLYMERIZATION OF CYCLIC ESTERS, POLYESTERS FORMED THEREBY, AND ARTICLES COMPRISING THE POLYESTERS

#126
20090280423
2009-11-12

Method for producing resin dispersions and resin particles

#127
20090198005
2009-08-06

Process for manufacturing medium and high molecular weight polyesters

#128
20090137836
2009-05-28

PROCESSES FOR PREPARING LOW-ACID POLYALKYLENE TEREPHTHALATE FROM DIOL-CAPPED PRE-POLYMER AND LINEAR OLIGOMER RECYCLATE AND USING SUCH IN THE PRODUCTION OF MACROCYCLIC POLYESTER OLIGOMER

#129
20090137749
2009-05-28

PROCESSES FOR REDUCING ACID CONTENT OF A POLYALKYLENE TEREPHTHALATE AND USING SUCH IN THE PRODUCTION OF MACROCYCLIC POLYESTER OLIGOMER

#130
20080249255
2008-10-09

Ring-opening polymerization of cyclic esters, polyesters formed thereby, and articles comprising the polyesters

#131
20080214775
2008-09-04

METHODS FOR CONVERTING LINEAR POLYESTERS TO MACROCYCLIC OLIGOESTER COMPOSITIONS AND MACROCYCLIC OLIGOESTERS

#132
20070299236
2007-12-27

Method of preparing biodegradable polyester polymer material in the form of filament and sheet using compressed gas

#133
20070225476
2007-09-27

Method for producing fibrilliform crystal of aromatic polyester

#134
20070122730
2007-05-31

Method for producing binder resin, particulate resin dispersion and method for producing same, electrostatic image development toner and method for producing same, electrostatic image developer, and image forming method

#135
20070021584
2007-01-25

Enzyme-catalyzed process for the preparation of macrocyclic polyester oligomers

#136
20060235233
2006-10-19

Methods for removing catalyst residue from a depolymerization process stream

#137
20060235186
2006-10-19

Use of a residual oligomer recyclate in the production of macrocyclic polyester oligomer

#138
20060235185
2006-10-19

Preparation of low-acid polyalkylene terephthalate and preparation of macrocyclic polyester oligomer therefrom

#139
20060205916
2006-09-14

Methods for preparing polyester-based nanocomposites

#140
20060128936
2006-06-15

Methods for converting linear polyesters to macrocyclic oligoester compositions and macrocyclic oligoesters

#141
20060069214
2006-03-30

Method for the manufacture of polyesters

#142
20060063088
2006-03-23

Preparation method of polyester resin

#143
20050265959
2005-12-01

Hydroxyphenyl cross-linked macromolecular network and applications thereof

#144
20050260723
2005-11-24

Process of producing low molecular weight poly(hydroxyalkanoate)s from high molecular weight poly(hydroxyalkanoate)s

#145
20050176917
2005-08-11

Methods for converting linear polyesters to macrocyclic oligoester compositions and macrocyclic oligoesters

#146
20050165177
2005-07-28

Method for producing highly functional, hyperbranched polyesters

#147
16388693
2019-09-03

Curative