ClassID:

99305

C08G63/60 - CPC Classification

Classification description:

Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule; Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from the reaction of a mixture of hydroxy carboxylic acids, polycarboxylic acids and polyhydroxy compounds

Sub-classes:
Recent Application in this class:
#1
20260146127
2026-05-28

COPOLYESTER DERIVED FROM 3-HYDROXYBUTYRIC ACID AND METHOD FOR PRODUCING SAME

#2
20260060239
2026-03-05

NATURAL-BASED SALICYLIC ACID POLY(ANHYDRIDE ESTER) HYDROGELS FOR AGRICULTURAL APPLICATIONS

#3
20260055230
2026-02-26

PROCESS FOR PREPARING CARBOXYLIC ACID ESTER-CROSS-LINKED POLYGLYCEROL ESTERS OF 3-HYDROXYBUTYRIC ACIDS

#4
20260008947
2026-01-08

BIODEGRADABLE ADHESIVE COMPOSITION

#5
20250382433
2025-12-18

METHOD FOR PRODUCING POLYESTER RESIN BY USING REGENERATED BIS(2-HYDROXYETHYL) TEREPHTHALATE AQUEOUS SOLUTION

#6
20250361358
2025-11-27

ZINGEROL-BASED BIODEGRADABLE POLYESTERS AND 3D-PRINTABLE PHOTOPOLYMERIZABLE COMPOSITIONS, METHODS OF PREPARATION, AND USES THEREOF

#7
20250361357
2025-11-27

BLOCK COPOLYMER

#8
20250304744
2025-10-02

COPOLYESTER RESIN AND METHOD FOR PRODUCING SAME

#9
20250188217
2025-06-12

TOUGHENED BRANCHED POLY(HYDROXYACID) COMPOSITION

#10
20250129206
2025-04-24

POLYESTER-BASED PLASTICIZER, VINYL CHLORIDE-BASED RESIN COMPOSITION CONTAINING SAME, AND MOLDED ARTICLE THEREOF

#11
20250114994
2025-04-10

HIGH STRENGTH AND TOUGHNESS BIAXIALLY-ORIENTED POLYLACTIC ACID (BOPLA) FILM AND PREPARATION METHOD THEREOF

#12
20250011531
2025-01-09

SYNTHESIS OF ENVIRONMENTALLY DEGRADABLE ALKYL POLYESTERS

#13
20240270901
2024-08-15

POLYESTER COPOLYMER COMPRISING RECYCLED MONOMERS

#14
20240270900
2024-08-15

Bio-based plasticiser for resins and blends containing said plasticiser

#15
20240218117
2024-07-04

POLYMERS PREPARED FROM MEVALONOLACTONE AND DERIVATIVES

#16
20240216574
2024-07-04

Citrate-Based Bone Grafting Materials

#17
20240191024
2024-06-13

COATINGS, ADHESIVES AND ELASTOMERS UTILISING ACETOACETATE END-CAPPED POLYOL

#18
20240043602
2024-02-08

POLYESTER POLYOL, URETHANE PREPOLYMER AND POLYURETHANE

#19
20240009943
2024-01-11

PROCESS FOR MANUFACTURING A SHAPED OBJECT THROUGH FILAMENT WINDING

#20
20230416453
2023-12-28

Liquid Crystalline Polyesters (LCP) and Thermoplastic Compositions having Low Dielectric Constant (Dk) and Dissipation Factor (Df)

#21
20230265238
2023-08-24

LIQUID CRYSTAL POLYESTER RESIN, MOLDED ARTICLE, AND ELECTRICAL/ELECTRONIC COMPONENT

#22
20230257517
2023-08-17

PROCESS FOR PREPARING CARBOXYLIC ACID ESTER-CROSS-LINKED POLYGLYCEROL ESTERS OF 3-HYDROXYBUTYRIC ACID

#23
20230148372
2023-05-11

Degradable, Printable Poly(Propylene Fumarate)-Based ABA Triblock Elastomers

#24
20230013671
2023-01-19

DOWNHOLE TOOL MEMBER COMPRISING A BRANCHED POLY(HYDROXYACID)

#25
20220363821
2022-11-17

Butenediol-based Polyester Elastomer and Method for Preparing Same

#26
20220282034
2022-09-08

Liquid crystal polymer particles, thermosetting resin composition, and molded article

#27
20220282033
2022-09-08

LIQUID CRYSTAL POLYESTER RESIN MOLDED ARTICLE

#28
20220275170
2022-09-01

Liquid crystal polyester composition and molded body

#29
20220259382
2022-08-18

New block copolymers

#30
20220177724
2022-06-09

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

#31
20220153937
2022-05-19

Film and laminate

#32
20220106440
2022-04-07

METHOD TO PREPARE BRANCHED POLYMERS OF LACTIC ACID

#33
20220002480
2022-01-06

Functional resin composition comprising biomass-derived component

#34
20210221945
2021-07-22

Polymers and methods of making the same

#35
20210198424
2021-07-01

Process for making poly(glycolic acid) for containers and films with reduced gas permeability

#36
20210189242
2021-06-24

Liquid crystal polymer film and laminate comprising the same

#37
20210189118
2021-06-24

Liquid crystal polymer film and laminate comprising the same

#38
20210189059
2021-06-24

Laminate, circuit board, and liquid crystal polymer film applied to the same

#39
20210187884
2021-06-24

Liquid crystal polymer film and laminate comprising the same

#40
20210179774
2021-06-17

POLYMERIC ANTI-AGGLOMERANT HYDRATE INHIBITOR

#41
20210147619
2021-05-20

Polyester resin composition

#42
20210002492
2021-01-07

One-component (1K) thermosetting powder coating compositions for impact resistant and low gloss consistent matt powder coatings

#43
20210002422
2021-01-07

Laminating adhesives using polyester from transesterification of polylactic acid with natural oils

#44
20200369827
2020-11-26

POLYMERS PREPARED FROM MEVALONOLACTONE AND DERIVATIVES

#45
20200347181
2020-11-05

Molded article

#46
20200247944
2020-08-06

Copolymerized polyester resin

#47
20200190255
2020-06-18

Glycolic acid polymer

#48
20200108171
2020-04-09

Biocompatible Polycaprolactone Fumarate Formulations

#49
20200031994
2020-01-30

Transesterification of polylactic acid with natural oils

#50
20190330416
2019-10-31

Method for synthesizing polybutylene adipate terephthalate-polylactic acid (PBAT-PLA) copolyester

#51
20190326630
2019-10-24

Solid electrolyte composition, solid electrolyte-containing sheet and manufacturing method therefor, all-solid state secondary battery and manufacturing method therefor, and polymer and non-aqueous solvent dispersion thereof

#52
20190300700
2019-10-03

Wholly aromatic liquid crystalline polyester resin

#53
20190263960
2019-08-29

Biomass-resource-derived polyurethane, method for producing same, and biomass-resource-derived polyester polyol

#54
20190219938
2019-07-18

Electrophotographic photoreceptor, and electrophotographic cartridge and image forming apparatus including same

#55
20190202978
2019-07-04

Wholly aromatic liquid crystalline polyester resin, molded article, and electric and electronic components

#56
20190177571
2019-06-13

Cutin-like materials with advanced functionalities and methods of manufacture

#57
20190153152
2019-05-23

Polymers and methods of making the same

#58
20190135974
2019-05-09

Renewably derived polyesters and methods of making and using the same

#59
20190048222
2019-02-14

Dimer fatty acid/polyesterdiol reaction product and use thereof in coating materials

#60
20180334599
2018-11-22

Polymer compositions and hot-melt adhesives formed therefrom

#61
20180334534
2018-11-22

Camera module-use liquid crystalline polyester resin composition and camera module-use molded product formed thereof

#62
20180327545
2018-11-15

Transesterification of polylactic acid with natural oils

#63
20180215859
2018-08-02

Biomass-resource-derived polyurethane, method for producing same, and biomass-resource-derived polyester polyol

#64
20180201864
2018-07-19

COPOLYMER AND LUBRICATING OIL COMPOSITION

#65
20180171090
2018-06-21

Thermoset polyester foams and manufacturing method

#66
20180171072
2018-06-21

METHOD FOR MANUFACTURING A BRANCHED POLY(HYDROXYL ACID)

#67
20180037768
2018-02-08

Cutin-like materials with advanced functionalities and methods of manufacture

#68
20180002482
2018-01-04

Polymers containing cyclobutanediol and 2,2-bis(hydroxymethyl)alkylcarboxylic acid

#69
20170349702
2017-12-07

Polyester macromers containing 1,1-dicarbonyl-substituted 1 alkenes

#70
20170232721
2017-08-17

Thermo-shrinkable polyester film

#71
20170174830
2017-06-22

Method of manufacturing polyester resins

#72
20170088665
2017-03-30

POLYMERS CONTAINING CYCLOBUTANEDIOL AND 2,2 BIS(HYDROXYMETHYL) AlKYLCARBOXYLIC ACID

#73
20160312008
2016-10-27

Process for preparing a polymer having a 2,5-furandicarboxylate moiety within the polymer backbone and such (co)polymers

#74
20160280850
2016-09-29

Polymers with hydroxyl acid blocks

#75
20160272751
2016-09-22

Biomass-resource-derived polyurethane, method for producing same, and biomass-resource-derived polyester polyol

#76
20160229952
2016-08-11

Functional biodegradable polymers

#77
20160229946
2016-08-11

Co-polymer polyol

#78
20160130389
2016-05-12

POLYMERS PREPARED FROM MEVALONOLACTONE AND DERIVATIVES

#79
20160096942
2016-04-07

Method of making a foam

#80
20160090456
2016-03-31

Heat-shrinkable polyester film and package

#81
20160083509
2016-03-24

Polyamide ester resin, method for preparing the same, and molded article including the same

#82
20160008800
2016-01-14

Oxygen-absorbing resin composition

#83
20160002394
2016-01-07

Glycolide-based polyesters

#84
20150337095
2015-11-26

Glycolide-based polyesters made with isosorbide

#85
20150274885
2015-10-01

Photoresponsive coumarin based polymers: synthesis and applications

#86
20150218301
2015-08-06

Polyester polyol, composition for polyurethane, composition for polyurethane foam, polyurethane resin, and polyurethane foam

#87
20150183926
2015-07-02

Branched poly (hydroxy acid) and production process thereof

#88
20150140196
2015-05-21

CRYSTALLIZATION ACCELERATOR

#89
20150031848
2015-01-29

Polyester polyol for use in polyurethane

#90
20140288215
2014-09-25

Hydrolysis resistant and biodegradable aliphatic-aromatic copolyester resin composition

#91
20140275436
2014-09-18

Fast degradable polyester polymer and preparation method and use thereof

#92
20140221598
2014-08-07

Biodegradable polyester

#93
20140221579
2014-08-07

Polymers with hydroxyl acid blocks

#94
20140128514
2014-05-08

Method for the continuous production of biodegradable polyesters

#95
20140099278
2014-04-10

Biocompatible polycaprolactone fumarate formulations

#96
20140018484
2014-01-16

Polyester binder resin for coating and coating composition containing same

#97
20140011976
2014-01-09

POLYESTER RESIN RESULTING FROM THE COPOLYMERISATION OF LACTIC ACID AND ISOSORBIDE, AND A PRODUCTION METHOD THEREFOR

#98
20130338395
2013-12-19

Biomass-resource-derived polyurethane, method for producing same, and biomass-resource-derived polyester polyol

#99
20130324680
2013-12-05

Polylactic acid block copolymers and preparation methods thereof

#100
20130123421
2013-05-16

Unsaturated polyester resins modified by substitution, with lactic acid, of an acid and alcohol component of the polyester

#101
20130066038
2013-03-14

Aliphatic polyester resin and its production method

#102
20130041130
2013-02-14

Transparent copolyester, preparing method thereof and articles made from the same

#103
20130037491
2013-02-14

Polymer mixtures as deposit inhibitors in water-bearing systems

#104
20130035448
2013-02-07

Biomass-resource-derived polyurethane, method for producing same, and biomass-resource-derived polyester polyol

#105
20120295188
2012-11-22

Resin for use in toner, toner using the resin, developer using the toner, image forming apparatus and method using the toner, and method of manufacturing resin

#106
20120276479
2012-11-01

Polyester resin and toner including same

#107
20120232195
2012-09-13

Method of preparing cross-linked colorant dispersions

#108
20120215028
2012-08-23

BIOBASED POLYOL CROSS-LINKERS FOR USE IN PREPARING POLYESTERS AND REVERSIBLE POLYURETHANES

#109
20120208955
2012-08-16

DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE SHEET

#110
20120208017
2012-08-16

PRESSURE-SENSITIVE ADHESIVE TAPE FOR MASKING

#111
20120208015
2012-08-16

Thermally removable pressure-sensitive adhesive sheet

#112
20120202058
2012-08-09

Pressure-sensitive adhesive sheet for surface protection

#113
20120184708
2012-07-19

Polyester for toner

#114
20120184700
2012-07-19

Polyester resin for toner

#115
20120183697
2012-07-19

Liquid crystal polyester-containing liquid composition

#116
20120065357
2012-03-15

RESIN FOR USE IN TONER, AND TONER AND DEVELOPER USING THE RESIN

#117
20120027973
2012-02-02

Branched poly (hydroxy acid) and production process thereof

#118
20120003459
2012-01-05

Flame-retardant poly lactic acid-containing film or sheet, and method for manufacturing thereof

#119
20110319586
2011-12-29

Ketal compounds from polyols and oxocarboxylates

#120
20110282020
2011-11-17

Process for preparing a polymer having a 2,5-furandicarboxylate moiety within the polymer backbone and such (co)polymers

#121
20110237772
2011-09-29

Polyesteracetals

#122
20110213100
2011-09-01

Polymers with hydroxyl acid blocks

#123
20110166245
2011-07-07

POLYESTER POLYOL COMPOSITION FOR POLYURETHANE, COMPOSITION FOR POLYURETHANE FOAM, POLYURETHANE RESIN, AND POLYURETHANE FOAM

#124
20110136988
2011-06-09

CONDENSATION POLYMERS WITH MODIFIED PROPERTIES

#125
20110135924
2011-06-09

Polyesters, polyester compositions, pressure-sensitive adhesive compositions, pressure-sensitive adhesive layers and pressure-sensitive adhesive sheets

#126
20110086567
2011-04-14

Bio-based binders for insulation and non-woven mats

#127
20110046338
2011-02-24

Copolyester polyols, prepolymers, and polyurethane elastomers formed therefrom and processes for making same

#128
20110039999
2011-02-17

Method for the continuous production of biodegradable polyesters

#129
20110034567
2011-02-10

Semi-crystalline, fast absorbing polymer formulation

#130
20110028581
2011-02-03

Aromatic polyesterpolyols, isocyanurate-modified polyurethane foams, and methods of making them

#131
20100324605
2010-12-23

Polymer compositions and devices

#132
20100305297
2010-12-02

Aliphatic polyester resin and its production method

#133
20100297547
2010-11-25

Resin composition for electrophotographic toners and electrophotographic toners

#134
20100249361
2010-09-30

PROCESS FOR PRODUCTION OF POLYESTER COPOLYMERS AND A COMPOSITION INCORPORATING THE COPOLYMERS

#135
20100184915
2010-07-22

COPOLYMERIZED LACTIC ACID TYPE RESIN HAVING A PHOSPHONIUM SULFOISOPHTHALATE STRUCTURE

#136
20100130631
2010-05-27

POLYESTER POYOL COMPOSITION FOR RIGID POLYURETHANE FOAMS,AND RIGID POLYURETHANE FOAM

#137
20100120957
2010-05-13

Processes for making copolymers using macrocyclic oligoesters, and copolymers therefrom

#138
20100105835
2010-04-29

MOLDED ARTICLE HAVING HEAT RESISTANCE AND IMPACT RESISTANCE

#139
20100087619
2010-04-08

Oxygen-Absorbing Resin, Oxygen-Absorbing Resin Composition and Oxygen-Absorbing Container

#140
20100048859
2010-02-25

PDC-LACTIC ACID COPOLYESTER AND MOLDED PRODUCT THEREOF

#141
20090326186
2009-12-31

MESOGEN CONTAINING COMPOUNDS

#142
20090286927
2009-11-19

Hyperbranched Polymers

#143
20090275706
2009-11-05

Lactic acid based compositions with enhanced properties

#144
20090259000
2009-10-15

POLYLACTIC ACID RESIN COMPOSITION, MOLDED ARTICLE THEREOF AND POLYLACTIC ACID COMPOUND

#145
20090253871
2009-10-08

Bioderived plasticizer for biopolymers

#146
20090186991
2009-07-23

METHOD FOR PRODUCING POLYESTER BLOCK COPOLYMERS

#147
20090149099
2009-06-11

Aliphatic copolyesters and method of preparing the same

#148
20090098323
2009-04-16

Oxygen-absorbing resin, oxygen-absorbing resin compositions and oxygen-absorbing containers

#149
20080319123
2008-12-25

Dispersing agent for pigment concentrates, its use and masterbatches comprising the dispersing agent

#150
20080293845
2008-11-27

Biodegradable Implant Polymers and Composites

#151
20080262102
2008-10-23

Hydrophilic/hydrophobic polymer networks based on poly(caprolactone fumarate), poly(ethylene glycol fumarate), and copolymers thereof

#152
20080260900
2008-10-23

Degradable Polymer for Chewing Gum

#153
20080243101
2008-10-02

Absorbable polymer formulations

#154
20080227912
2008-09-18

Oxygen-absorbing resin, oxygen-absorbing resin composition and oxygen-absorbing container

#155
20080108759
2008-05-08

Lactic Acid Polymers

#156
20080103284
2008-05-01

Absorbable copolyesters of poly(ethoxyethylene diglycolate) and glycolide

#157
20080061919
2008-03-13

Insulators for transformers

#158
20080004368
2008-01-03

Block copolymers of polycarpolactone and poly (propylene funarate)

#159
20070298228
2007-12-27

Printing paper

#160
20070106239
2007-05-10

Swellable hydrogel-forming polymers having a low fraction of fines

#161
20070100002
2007-05-03

Alkoxylated dendrimers and use thereof as biodegradable demulsifiers

#162
20070043202
2007-02-22

Self-crosslinkable poly(caprolactone fumarate)

#163
20070027255
2007-02-01

Compatibilizing agent and resin composition

#164
20070021584
2007-01-25

Enzyme-catalyzed process for the preparation of macrocyclic polyester oligomers

#165
20070003592
2007-01-04

Biodegradable phase separated segmented multi block co-polymers

#166
20060217523
2006-09-28

Polyester resin composition

#167
20060211842
2006-09-21

Method for producing highly functional, hyper branched polyester by means of enzymatic esterification

#168
20060204771
2006-09-14

Polyester resin and polyester resin laminate container

#169
20060165627
2006-07-27

Polyglycerol partial esters of polyricinoleic acid and polyfunctional carboxylic acids and the use thereof for producing emulsions and dispersions

#170
20060030690
2006-02-09

Molding resin and process for production thereof

#171
20060009611
2006-01-12

Copolyetherester compositions containing hydroxyalkanoic acids and shaped articles produced therefrom

#172
20060009610
2006-01-12

Sulfonated copolyetherester compositions from hydroxyalkanoic acids and shaped articles produced therefrom

#173
20060009609
2006-01-12

Sulfonated aromatic copolyesters containing hydroxyalkanoic acid groups and shaped articles produced therefrom

#174
20050288479
2005-12-29

Glycolic acid copolymer and method for production thereof

#175
20050209429
2005-09-22

Liquid crystalline thermosets from ester, ester-imide, and ester-amide oligomers

#176
20050209374
2005-09-22

Anaerobically biodegradable polyesters

#177
20050192412
2005-09-01

Aliphatic polyester polyether copolymer, process for producing the same and aliphatic polyester composition using the copolymer

#178
20050171327
2005-08-04

Simplified method of producing biodegradable aliphatic polyesters

#179
20050171299
2005-08-04

Crystalline high-compliance glycolide copolymers and applications thereof

#180
20050159583
2005-07-21

Polylactic acid composition containing modifier

#181
20050107572
2005-05-19

Amorphous-crystalline block copolymers

#182
20050080226
2005-04-14

Process of continuously producing polyester polymer

#183
20050080223
2005-04-14

Biodegradable coating

#184
20050075464
2005-04-07

Method of treating polyester polymer and polyester polymer reduced in low-boiling component content

#185
20050059795
2005-03-17

Biodegradable saturated/unsaturated thermoplastic polyesters

#186
20050054812
2005-03-10

Method for producing highly functional, hyper branched polyester by means of enzymatic esterification

#187
17862461
2022-12-20

Biobased aqueous polyurethane dispersions

#188
16668978
2022-06-28

Growth factor-loaded elastic poly(xylitol-dodecanedioic acid) polymer for tissue engineering

#189
13725802
2015-09-22

Bioderived compatibilizer for biopolymers

#190
13374186
2014-01-07

Naturally derived citrate polyesters