ClassID:

99353

C08G63/83 - CPC Classification

Classification description:

Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule; Preparation processes characterised by the catalyst used Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof

Recent Application in this class:
#1
20260085149
2026-03-26

LOW COLOUR CURE SYTEM

#2
20250320333
2025-10-16

COMPOSITION FOR PREPARING POLYCAPROLACTONE SHAPE MEMORY MATERIAL, AND POLYCAPROLACTONE SHAPE MEMORY MATERIAL, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

#3
20250188280
2025-06-12

COMPOSITION AND FILM

#4
20250179242
2025-06-05

Soil release polyesters for use in detergent compositions

#5
20250136753
2025-05-01

POLYESTER POLYMER, AND METHOD FOR PREPARING THE SAME, CATALYST SYSTEM

#6
20250122334
2025-04-17

METHOD FOR PREPARING GLUTARYL-BRIDGED BIS-BIOGENIC GUANIDINE CHELATE AND METHOD FOR PREPARING POLYBUTYLENE SUCCINATE

#7
20250101169
2025-03-27

POLY(ETHER ESTER) COPOLYMER, AND METHOD FOR PREPARING THE SAME

#8
20250034329
2025-01-30

POLYESTER COMPOSITIONS COMPRISING CYCLOHEXANEDIMETHANOL OR 2,2,4,4-TETRAMETHYL-1,3-CYCLOBUTANEDIOL WITH IMPROVED CATALYST SYSTEMS THEREFOR

#9
20240400755
2024-12-05

POLYESTER RESIN, METHOD FOR PRODUCING SAME, RESIN COMPOSITION, MOLDED ARTICLE, AND OPTICAL MEMBER

#10
20240327570
2024-10-03

Electrocatalytic production of polyethylene furanoate degradable bioplastic

#11
20240247099
2024-07-25

RESIN, RESIN COMPOSITION, AND SHAPED OBJECT

#12
20240182747
2024-06-06

SYNTHESIS AND 3D PRINTING OF TRIBLOCK COPOLYMER THROUGH ALTERNATING RING-OPENING COPOLYMERIZATION OF EPOXIDES WITH SATURATED AND UNSATURATED CYCLIC ANHYDRIDE

#13
20240117110
2024-04-11

POLYESTER COMPOSITIONS COMPRISING TETRAMETHYL-CYCLOBUTANEDIOL HAVING AN IMPROCED CATALYST SYSTEM COMPRISING LITHIUM AND GALLIUM ATOMS

#14
20240117106
2024-04-11

POLYESTER COMPOSITIONS COMPRISING TETRAMETHYL CYCLOBUTANEDIOL AND 1,4-CYCLOHEXANEDIMETHANOL HAVING AN IMPROVED CATALYST SYSTEM COMPRISING TITANIUM AND ZINC

#15
20240117105
2024-04-11

POLYESTER COMPOSITIONS COMPRISING TETRAMETHYL CYCLOBUTANEDIOL AND 1,4-CYCLOHEXANEDIMETHANOL HAVING AN IMPROVED CATALYST SYSTEM COMPRISING LITHIUM AND GALLIUM

#16
20240067775
2024-02-29

POLYESTER COMPOSITIONS COMPRISING TETRAMETHYL CYCLOBUTANEDIOL HAVING AN IMPROVED CATALYST SYSTEM COMPRISING LITHIUM AND ALUMINUM

#17
20240052094
2024-02-15

POLYESTER COMPOSITIONS COMPRISING TETRAMETHYL CYCLOBUTANEDIOL HAVING AN IMPROVED CATALYST SYSTEM COMPRISING TITANIUM AND ZINC ATOMS

#18
20240043609
2024-02-08

NOVEL THERMOPLASTIC POLYESTERS AND SYNTHESIS THEREFOR

#19
20240002592
2024-01-04

PROCESS FOR PRODUCING A POLYESTER COMPRISING 2,5-FURANDICARBOXYLATE UNITS

#20
20230374205
2023-11-23

POLYESTER COMPOSITIONS COMPRISING TETRAMETHYL CYCLOBUTANEDIOL AND CYCLOHEXANEDIMETHANOL HAVING AN IMPROVED CATALYST SYSTEM COMPRISING LITHIUM AND ALUMINUM ATOMS

#21
20230365746
2023-11-16

POLYESTER INCLUDING COMPONENT FROM BIOMASS AND METHOD FOR PREPARING THE SAME

#22
20230340190
2023-10-26

Polyester Carbonates From Cycloaliphatic Diacids, 1,4:3,6-Dianhydrohexitol and a Further Aliphatic Dihydroxy Compound

#23
20230272159
2023-08-31

Resorbable complex shape memory poly(propylene fumarate) star scaffolds for 4D printing applications

#24
20230257518
2023-08-17

RESIN COMPOSITION AND RESIN MOLDED ARTICLE INCLUDING THE RESIN COMPOSITION

#25
20230212350
2023-07-06

A METHOD FOR MANUFACTURING AN OLIGOMERIC POLYETHYLENE TEREPHTHALATE (PET) SUBSTRATE

#26
20230203244
2023-06-29

A METHOD FOR IMPROVING L* COLOR IN A PET POLYMER

#27
20230174738
2023-06-08

Sustainable Polyester from Recycled Polyethylene Terephthalate

#28
20230159699
2023-05-25

ORGANIC FRAME MATERIAL HAVING ZINC CONTAINING ISO-MOLYBDIC ACID METAL, METHOD OF MANUFACTURING THE SAME, AND APPLICATION THEREOF

#29
20230148372
2023-05-11

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

#30
20230101243
2023-03-30

POLYESTER COPOLYMER COMPRISING RECYCLED MONOMERS

#31
20230077683
2023-03-16

POLYESTER RESIN CONTAINING FEWER FOREIGN BODIES AND COATING COMPOSITION OR ADHESIVE COMPOSITION USING THE SAME

#32
20230040523
2023-02-09

METHOD FOR THE PRODUCTION OF A POLYESTER CARBONATE

#33
20230026810
2023-01-26

HIGH-FREQUENCY TRANSMISSION LCP FILM AND PREPARATION METHOD THEREOF

#34
20230026717
2023-01-26

POLYESTER CARBONATES FROM ALIPHATIC DIACIDS AND ALIPHATIC DIOLS, AND PROCESS FOR THE PRODUCTION THEREOF

#35
20220169783
2022-06-02

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

#36
20220081510
2022-03-17

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

#37
20220056223
2022-02-24

BIAXIALLY ORIENTED POLYESTER FILM

#38
20220032575
2022-02-03

LIQUID CRYSTAL POLYMER FILM AND LAMINATE COMPRISING THE SAME

#39
20220002481
2022-01-06

Method for preparing polyester polyol

#40
20210395443
2021-12-23

Integrated Preparation Process for Producing Polyglycolic Acid Products

#41
20210388155
2021-12-16

METHOD FOR MANUFACTURING GLYCOL-MODIFIED POLY ETHYLENE TEREPHTHALATE COPOLYMERS AND APPLICATIONS THEREOF

#42
20210363293
2021-11-25

Cyclic ether- and hydroxyl-containing compositions useful for producing fast dry alkyd polymers and methods for making such cyclic ether- and hydroxyl-containing compositions

#43
20210294013
2021-09-23

RETARDATION FILM AND METHOD FOR PRODUCING THE SAME

#44
20210284791
2021-09-16

Poly(propylene fumarate)-based copolymers for 3D printing applications

#45
20210261728
2021-08-26

Soil release polyesters for use in detergent compositions

#46
20210261726
2021-08-26

Polyester resin, coating agent, adhesive, resin composition, ink, and method for producing polyester resin

#47
20210221975
2021-07-22

OXIDATIVELY CURABLE COATING COMPOSITION

#48
20210189242
2021-06-24

Liquid crystal polymer film and laminate comprising the same

#49
20210189118
2021-06-24

Liquid crystal polymer film and laminate comprising the same

#50
20210189075
2021-06-24

Liquid crystal polymer film and laminate comprising the same

#51
20210189059
2021-06-24

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

#52
20210187884
2021-06-24

Liquid crystal polymer film and laminate comprising the same

#53
20210087331
2021-03-25

Polyester resin composition and method of producing same

#54
20200317697
2020-10-08

Catalyst for polyester polymerization and method for producing polyester resin

#55
20200040132
2020-02-06

PROCESS FOR PRODUCING A LOW VISCOSITY POLYESTER POLYOL

#56
20190276359
2019-09-12

UNSATURATED POLYESTER RESIN FOR ENGINEERED STONE COMPRISING FINE AND/OR POROUS PARTICLES

#57
20190255512
2019-08-22

Absorbent polymers, and methods and systems of producing thereof and uses thereof

#58
20190211146
2019-07-11

Oriented films and shrink films comprising polyesters which comprise tetramethylcyclobutanediol and ethylene glycol

#59
20190211145
2019-07-11

Polyester compositions which comprise tetramethylcyclobutanediol and ethylene glycol for calendering

#60
20190061400
2019-02-28

Biaxially oriented polyester film

#61
20180319977
2018-11-08

Polyethylene terephthalate resin composition and film formed from same

#62
20180305501
2018-10-25

Method and catalyst system for preparing polymers and block copolymers

#63
20180282475
2018-10-04

Bibenzoate copolyesters and methods to produce them

#64
20180208714
2018-07-26

Low chromatic aberration polyester different-shrinkage composite yarn

#65
20180202078
2018-07-19

Ultra-low shrinkage polyester industrial yarn and its preparation method

#66
20180201728
2018-07-19

Flame-retardant polyester fiber and its preparation method

#67
20180201726
2018-07-19

Industrial polyester and its preparation method

#68
20180201725
2018-07-19

High-modulus low-shrinkage polyester industrial yarn and its preparation method

#69
20180163045
2018-06-14

Polybutylene terephthalate composition with improved hydrolytic stability

#70
20180022867
2018-01-25

Method for producing polyester

#71
20180009939
2018-01-11

Catalytic composition for preparing PET resin

#72
20170335054
2017-11-23

HEAT RESISTANT POLYETHYLENE TEREPHTHALATE AND PROCESS OF MANUFACTURING THEREOF

#73
20170267812
2017-09-21

Process to prepare a polyester polymer composition comprising a polyester polymer having furanic units and a polyester polymer composition obtainable thereby and the use thereof

#74
20170260329
2017-09-14

Phenolic polymers and preparation processes thereof

#75
20160376402
2016-12-29

Method for synthesizing poly(butylene succinate) catalyzed by biogenic guanidinine

#76
20160251475
2016-09-01

Aliphatic polycarbonate with long-chain branches and aromatic copolyester thereof

#77
20160108181
2016-04-21

Method and catalyst system for preparing polymers and block copolymers

#78
20160096919
2016-04-07

METHOD FOR PREPARING A POLYESTER

#79
20160083510
2016-03-24

BLOCK COPOLYMER AND PROCESS FOR PREPARING THE SAME

#80
20150274883
2015-10-01

Poly(dihydroferulic acid) a biorenewable polyethylene terephthalate mimic derived from lignin and acetic acid and copolymers thereof

#81
20150197598
2015-07-16

Polyester resin and method for preparing the same

#82
20150166722
2015-06-18

Method of copolymerizing ethylene carbonate with one or more cyclic esters

#83
20150148516
2015-05-28

Process for immortal ring-opening polymerisation of cyclic esters and cyclic carbonates

#84
20150148515
2015-05-28

Polyester resin and method for preparing the same

#85
20150141612
2015-05-21

Preparation method of polyester resin

#86
20140370219
2014-12-18

MEDICAL PACKAGING CONTAINER

#87
20140364580
2014-12-11

Metal alkoxide complex, catalyst composition, and production method of polycaprolactone or polylactide

#88
20140343244
2014-11-20

METHODS FOR PREPARATION OF POLYESTER OLIGOMER VIA BASE CATALYSIS

#89
20140228535
2014-08-14

Catalyst systems based on phenolate complexes for immortal ring-opening polymerization of cyclic esters and carbohydrates

#90
20140148558
2014-05-29

One-step, one-pot process for preparing multiblock and gradient copolymer

#91
20140113094
2014-04-24

Copolyesters containing neopentyl glycol and 2,2,4,4-tetraalkyl 1,3-cyclobutanediol

#92
20140023841
2014-01-23

Polyester composition and film using same, sheet-like structure, electric insulation sheet, and solar cell back sheet, and manufacturing method therefor

#93
20130331542
2013-12-12

Process for preparing hyperbranched polyesters

#94
20130281635
2013-10-24

Polyester composition for solar battery and method for producing same

#95
20130274092
2013-10-17

CATALYST COMPOSITION

#96
20130211013
2013-08-15

Accelerator solution and process for curing curable resins

#97
20130018165
2013-01-17

Method for preparing polytrimethylene terephthalate with sustained-release crystallinity

#98
20120136132
2012-05-31

Process for continuous preparation of high molecular weight polyesters by esterification of dicarboxylic acids and/or transesterification of dicarboxylic acids with diols and/or mixtures thereof and an apparatus therefor

#99
20120115997
2012-05-10

PROCESS FOR PRODUCTION OF POLYESTERS

#100
20120101233
2012-04-26

Catalytic systems for immortal ring-opening polymerisation of cyclic esters and cyclic carbonates

#101
20120071625
2012-03-22

Process for making polyethylene terephthalate

#102
20120059122
2012-03-08

Process for producing antimony-free PET polyester fiber excellent in no yellowish look

#103
20120052228
2012-03-01

Polyester polyols from terephthalic acid and oligoalkylene oxides

#104
20110301322
2011-12-08

CATALYST FOR POLYESTER POLYCONDENSATION AND METHOD FOR PRODUCING POLYESTER RESIN USING THE SAME

#105
20110301020
2011-12-08

Catalyst for polyester polycondensation and method for producing polyester resin using the same

#106
20110281049
2011-11-17

Aluminum/alkyline or alkali/titanium containing polyesters having improved reheat, color and clarity

#107
20110160390
2011-06-30

PROCESS FOR PRODUCTION OF POLYESTERS WITH LOW ACETALDEHYDE CONTENT AND REGENERATION RATE

#108
20100184916
2010-07-22

Antimony-free pet resin and pet polyester fiber made therefrom

#109
20100152408
2010-06-17

MANUFACTURING METHOD OF BIODEGRADABLE WATER-BASED POLYESTER RESIN

#110
20100069553
2010-03-18

POLYESTER MELT-PHASE COMPOSITIONS HAVING IMPROVED THERMO-OXIDATIVE STABILITY, AND METHODS OF MAKING AND USING THEM

#111
20090186179
2009-07-23

POLYESTER CLAY NANOCOMPOSITES FOR BARRIER APPLICATIONS

#112
20090117013
2009-05-07

Process for continuous preparation of high molecular weight polyesters by esterification of dicarboxylic acids and/or transesterification of dicarboxylic acids with diols and/or mixtures thereof and an apparatus therefor

#113
20080262102
2008-10-23

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

#114
20080188602
2008-08-07

Polyester polymers with low acetaldehyde generation rates and high vinyl ends concentration

#115
20080064797
2008-03-13

Process For The Production Of Polyethylene Terephthalate Copolyester, Copolyester Obtained Thereby And Its Use And Catalyst Useful In The Process

#116
20080033084
2008-02-07

Catalyst composition for producing polyethylene terephthalate from terephthalic acid and ethylene glycol, and process therefore

#117
20080027209
2008-01-31

Non-precipitating alkali/alkaline earth metal and aluminum compositions made with organic hydroxyacids

#118
20080027208
2008-01-31

Non-precipitating alkali/alkaline earth metal and aluminum solutions made with polyhydroxyl ether solvents

#119
20080027207
2008-01-31

Non-precipitating alkali/alkaline earth metal and aluminum compositions made with mono-ol ether solvents

#120
20080027206
2008-01-31

Multiple feeds of catalyst metals to a polyester production process

#121
20070203324
2007-08-30

Fast crystallizing modified polyethylene naphthalate

#122
20070155947
2007-07-05

POLYESTER RESIN AND ITS PRODUCTION PROCESS

#123
20070149756
2007-06-28

Compositions and methods of manufacturing polytrimethylene naphthalate

#124
20070066735
2007-03-22

Aluminum/alkaline or alkali/titanium containing polyesters having improved reheat, color and clarity

#125
20060229429
2006-10-12

Polyester resin and process for its production

#126
20060205917
2006-09-14

Catalyst complex for catalysing esterification and trans-esterification reactions and process for esterification/trans-esterification using the same

#127
20060141183
2006-06-29

Polyester clay nanocomposites for barrier applications

#128
20060135668
2006-06-22

Polyesters containing natural mineral materials, processes for producing such polyesters, and shaped articles produced therefrom

#129
20060084784
2006-04-20

Catalyst for production of polyester, process for producing polyester using it and titanium-containing polyethylene terephthalate

#130
20060084782
2006-04-20

Polyester resin and process for its production

#131
20060052574
2006-03-09

Flame-retardant polyester polymer dyeable with cationic dye, method of producing the same, and copolyester fiber using the same

#132
20050148758
2005-07-07

Stable aqueous solutions comprising titanium and zinc and process therewith

#133
20050131202
2005-06-16

Polyester resin and its production process

#134
20050107576
2005-05-19

Polyester resin and catalyst for polyester production, process for producing polyester resin with the catalyst, polyester resin obtained with the catalyst, and hollow molded container comprising the polyester resins

#135
20050010017
2005-01-13

Addition of UV inhibitors to pet process for maximum yield

#136
20050008885
2005-01-13

Addition of UV absorbers to PET process for maximum yield