ClassID:

99306

C08G63/605 - 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 the hydroxy and carboxylic groups being bound to aromatic rings

Recent Application in this class:
#1
20260132549
2026-05-14

LIQUID CRYSTAL POLYESTER FIBERS AND METHOD FOR PRODUCING SAME

#2
20250304744
2025-10-02

COPOLYESTER RESIN AND METHOD FOR PRODUCING SAME

#3
20250304522
2025-10-02

METHOD FOR PRODUCING AROMATIC BIS(HYDROXYALKYL) DICARBOXYLATE AND METHOD FOR PRODUCING RECYCLED AROMATIC POLYESTER

#4
20250297057
2025-09-25

LIQUID CRYSTALLINE POLYESTER, MOLDED ARTICLE, AND ELECTRIC/ELECTRONIC COMPONENT

#5
20250212325
2025-06-26

Laminate for a Printed Circuit Board

#6
20250207298
2025-06-26

Fibers Formed from a Liquid Crystalline Polymer

#7
20250197724
2025-06-19

LIQUID CRYSTAL POLYESTER RESIN, LIQUID CRYSTAL POLYESTER RESIN COMPOSITION, AND MOLDED ARTICLE FORMED THEREFROM

#8
20250188280
2025-06-12

COMPOSITION AND FILM

#9
20250059319
2025-02-20

RECYCLED BIS(4-HYDROXYBUTYL)TEREPHTHALATE, METHOD FOR PREPARING SAME, AND POLYESTER RESIN USING SAME

#10
20240368340
2024-11-07

LIQUID CRYSTALLINE POLYESTER POWDER, PRODUCTION METHOD THEREFOR, LIQUID CRYSTALLINE POLYESTER COMPOSITION, LIQUID CRYSTALLINE POLYESTER FILM PRODUCTION METHOD, AND LAMINATE PRODUCTION METHOD

#11
20240360274
2024-10-31

LIQUID CRYSTALLINE POLYESTER POWDER, PRODUCTION METHOD THEREFOR, LIQUID CRYSTALLINE POLYESTER COMPOSITION, LIQUID CRYSTALLINE POLYESTER FILM, PRODUCTION METHOD THEREFOR, LAMINATE, AND PRODUCTION METHOD THEREFOR

#12
20240244743
2024-07-18

Circuit Board for Use at 5G Frequencies

#13
20240150656
2024-05-09

Liquid crystal polymer, composition, liquid crystal polymer film, laminated material and method of forming liquid crystal polymer film

#14
20240124706
2024-04-18

LIQUID CRYSTAL POLYMER, COMPOSITION, LIQUID CRYSTAL POLYMER FILM, LAMINATED MATERIAL AND METHOD OF FORMING LIQUID CRYSTAL POLYMER FILM

#15
20240002591
2024-01-04

LIQUID CRYSTAL POLYMER PARTICLE, THERMOSETTING RESIN COMPOSITION, AND MOLDED BODY

#16
20230399460
2023-12-14

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

#17
20230391950
2023-12-07

LIQUID CRYSTAL POLYESTER (LCP), LCP COMPOSITION, AND USE THEREOF

#18
20230287172
2023-09-14

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

#19
20230257519
2023-08-17

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

#20
20230257518
2023-08-17

RESIN COMPOSITION AND RESIN MOLDED ARTICLE INCLUDING THE RESIN COMPOSITION

#21
20230220182
2023-07-13

High Performance Polymer Composition Containing Carbon Nanostructures

#22
20230203245
2023-06-29

LIQUID CRYSTAL POLYMER RESIN COMPOSITION, METHOD FOR PRODUCING SAME, AND CARRIER FOR TRANSPORTING SEMICONDUCTORS

#23
20230151209
2023-05-18

LIQUID CRYSTAL POLYMER COMPOSITIONS AND CORRESPONDING ARTICLES

#24
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

#25
20230069551
2023-03-02

METHOD FOR PRODUCING LIQUID CRYSTALLINE POLYESTER AND LIQUID CRYSTALLINE POLYESTER

#26
20230065239
2023-03-02

LIQUID CRYSTAL POLYESTER RESIN, LIQUID CRYSTAL POLYESTER RESIN COMPOSITION, FORMED PRODUCT, LAYERED BODY AND LIQUID CRYSTAL POLYESTER RESIN FILM, AND PRODUCTION METHOD THEREFOR

#27
20220386870
2022-12-08

Connected Medical Device Containing a Liquid Crystalline Polymer Composition having a High Dielectric Constant

#28
20220332923
2022-10-20

LIQUID CRYSTAL POLYESTER RESIN COMPOSITION AND MOLDED BODY

#29
20220315696
2022-10-06

LIQUID CRYSTAL POLYESTER RESIN PELLETS, AND PRODUCTION METHOD THEREFOR, AND PRODUCTION METHOD FOR MOLDED ARTICLE

#30
20220251293
2022-08-11

YELLOWING RESISTANT POLYESTER AND METHOD FOR MANUFACTURING THE SAME

#31
20220250371
2022-08-11

LCP EXTRUDED FILM, AND FLEXIBLE LAMINATE USING THE SAME AND MANUFACTURING METHOD THEREOF

#32
20220204689
2022-06-30

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

#33
20220169783
2022-06-02

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

#34
20220089899
2022-03-24

LIQUID CRYSTAL POLYESTER POWDER, LIQUID CRYSTAL POLYESTER COMPOSITION, FILM PRODUCING METHOD, AND LAMINATE PRODUCING METHOD

#35
20220073732
2022-03-10

RESIN COMPOSITION AND RESIN MOLDED ARTICLE COMPRISING THE SAME

#36
20220010058
2022-01-13

LIQUID CRYSTAL POLYESTER RESIN COMPOSITION AND MOLDED ARTICLE

#37
20210388157
2021-12-16

Liquid crystal polyester fibers

#38
20210371646
2021-12-02

Resin composition capable of relaxing anisotropy by fusing and resin molded article comprising the same

#39
20210292475
2021-09-23

Liquid crystal polyester resin for laminate, liquid crystal polyester resin composition, laminate, and liquid crystal polyester resin film

#40
20210269588
2021-09-02

Resin molded article comprising wholly aromatic liquid crystalline polyester resin capable of reducing dielectric loss tangent by heat treatment and electrical and electronic component

#41
20210261755
2021-08-26

Electronic Device

#42
20210092836
2021-03-25

Circuit board for use at 5G frequencies

#43
20210070983
2021-03-11

Liquid crystalline polymer composition

#44
20210061948
2021-03-04

Liquid crystal polyester fibers

#45
20210024687
2021-01-28

AROMATIC LIQUID CRYSTAL POLYESTER, AROMATIC LIQUID CRYSTAL POLYESTER COMPOSITION, AND MOLDED ARTICLE

#46
20210015457
2021-01-21

Ultrasonic Probe

#47
20210002555
2021-01-07

Liquid-crystal polymer, laminated material, liquid-crystal polymer solution, and method of forming liquid-crystal polymer film

#48
20210002554
2021-01-07

Liquid-crystal polymer, laminated material, liquid-crystal polymer solution, and method of forming liquid-crystal polymer film

#49
20200362099
2020-11-19

Pellet of liquid crystal polyester resin composition and method of producing pellet of liquid crystal polyester resin composition

#50
20200295443
2020-09-17

Cover and vehicle-mounted fin type antenna device

#51
20200190256
2020-06-18

Liquid crystal polymer, composite composition, article, battery case, and battery

#52
20200165444
2020-05-28

LIQUID CRYSTALLINE POLYESTER RESIN COMPOSITION AND MOLDED PRODUCT PRODUCED THEREFROM

#53
20200040133
2020-02-06

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

#54
20200017769
2020-01-16

Thermoplastic liquid crystal polymer and film of same

#55
20190352456
2019-11-21

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

#56
20190241711
2019-08-08

Prepreg, prepreg laminate and method for producing prepreg

#57
20190240918
2019-08-08

Method for reversible bonding

#58
20190202978
2019-07-04

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

#59
20190191923
2019-06-27

Ovenware and liquid crystalline polyester resin composition for molding ovenware

#60
20190167033
2019-06-06

OVENWARE, METHOD FOR PRODUCING OVENWARE, AND RESIN COMPOSITION FOR MOLDING OVENWARE

#61
20190165336
2019-05-30

BATTERY CASE, BATTERY, LIQUID CRYSTAL POLYMER, AND ARTICLE

#62
20190062494
2019-02-28

Liquid crystal polyester resin

#63
20180355150
2018-12-13

LIQUID CRYSTAL POLYESTER COMPOSITION AND MOLDED ARTICLE

#64
20180346642
2018-12-06

LIQUID CRYSTAL POLYESTER COMPOSITION, MOLDED BODY, AND CONNECTOR

#65
20180346641
2018-12-06

LIQUID CRYSTAL POLYESTER COMPOSITION, MOLDED BODY, AND CONNECTOR

#66
20180334534
2018-11-22

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

#67
20170301840
2017-10-19

Laminate film, method for producing laminate film, and LED-mounted substrate

#68
20170291988
2017-10-12

Liquid crystal polymer

#69
20160145380
2016-05-26

Method for producing liquid crystalline polyester, and liquid crystalline polyester

#70
20160053106
2016-02-25

Polyaryletherketone composition

#71
20150004409
2015-01-01

LIQUID-CRYSTALLINE POLYESTER MULTIFILAMENT

#72
20140243481
2014-08-28

Manufacturing process for liquid crystalline polymer

#73
20140212614
2014-07-31

WHOLLY AROMATIC POLYESTER AND POLYESTER RESIN COMPOSITION

#74
20140151094
2014-06-05

Active ester resin, method for producing the same, thermosetting resin composition, cured product of the thermosetting resin composition, semiconductor encapsulating material, pre-preg, circuit board, and build-up film

#75
20140135469
2014-05-15

Liquid crystalline polymer composition for films

#76
20140088285
2014-03-27

Crosslinkable liquid crystalline polymer

#77
20140088247
2014-03-27

Crosslinkable aromatic polyester

#78
20140087165
2014-03-27

Aromatic polyester containing a biphenyl chain disruptor

#79
20130331540
2013-12-12

METHOD OF PREPARING WHOLLY AROMATIC LIQUID CRYSTALLINE POLYESTER RESIN AND RESIN PREPARED BY THE METHOD, AND COMPOUND INCLUDING THE RESIN

#80
20130296523
2013-11-07

Process for producing liquid crystalline polyester resin and apparatus for producing liquid crystalline polyester resin

#81
20130270481
2013-10-17

Liquid crystalline polyester and production method of the same

#82
20130165621
2013-06-27

Method for preparing polycondensation resin

#83
20130131304
2013-05-23

Material for fiber manufacturing and fiber

#84
20130131303
2013-05-23

MATERIAL FOR FIBER MANUFACTURING AND FIBER

#85
20130122274
2013-05-16

Low naphthenic liquid crystalline polymer composition for use in molded parts with a small dimensional tolerance

#86
20130122273
2013-05-16

Low naphthenic liquid crystalline polymer composition

#87
20130122272
2013-05-16

Naphthenic-rich liquid crystalline polymer composition with improved flammability performance

#88
20130085253
2013-04-04

Solid-stage polymerization system for a liquid crystalline polymer

#89
20130056681
2013-03-07

Fully-aromatic thermotropic liquid crystal polyester resin composition, molded object, and LED reflector

#90
20130030143
2013-01-31

Method for manufacturing liquid crystal polyester and liquid crystal polyester

#91
20130030142
2013-01-31

Method for producing liquid-crystalline polyester

#92
20130030141
2013-01-31

Method for producing liquid-crystalline polyester

#93
20130012680
2013-01-10

Wholly aromatic liquid crystalline polyester and method of producing the same

#94
20120330053
2012-12-27

METHOD FOR PRODUCING ACYLATE

#95
20120329975
2012-12-27

METHOD FOR PRODUCING LIQUID CRYSTAL POLYESTER

#96
20120277398
2012-11-01

INSULATING FILM FOR ELECTROMAGNETIC COIL, AND MOTOR AND TRANSFORMER HAVING THE SAME

#97
20120217678
2012-08-30

Liquid crystal polyester composition and process for producing the same

#98
20120216859
2012-08-30

BACK SHEET FOR SOLAR CELL, AND SOLAR CELL MODULE

#99
20120199790
2012-08-09

WHOLLY AROMATIC LIQUID CRYSTAL POLYESTER RESIN COMPOUND, PREPARATION METHOD THEREOF, PARTS FOR OPTICAL PICKUP, AND PREPARATION METHOD THEREOF

#100
20120190813
2012-07-26

LIQUID-CRYSTAL POLYMER AND MOLDED ARTICLES

#101
20120153224
2012-06-21

Wholly aromatic liquid-crystalline polyester resin and composition comprising the same

#102
20120119142
2012-05-17

Liquid crystalline polyester and process for producing same

#103
20120095183
2012-04-19

METHODS OF PREPARING WHOLLY AROMATIC LIQUID CRYSTALLINE POLYESTER RESIN AND WHOLLY AROMATIC LIQUID CRYSTALLINE POLYESTER RESIN COMPOUND WITH CONSTANT MELT VISCOSITY

#104
20110240353
2011-10-06

Method for producing liquid-crystalline polyester powder

#105
20110233462
2011-09-29

Liquid crystalline polyester compositions

#106
20110213077
2011-09-01

Hydroquinone-containing polyesters having improved whiteness

#107
20110204407
2011-08-25

Power LED device with a reflector made of aromatic polyester and/or wholly aromatic polyester

#108
20100305279
2010-12-02

ULTRA HIGH-TEMPERATURE PLASTIC PACKAGE AND METHOD OF MANUFACTURE

#109
20100084609
2010-04-08

Liquid crystalline polyester composition

#110
20100041855
2010-02-18

Polyester for producing fiber, and fiber and non-woven fabric using the same

#111
20090295036
2009-12-03

Ultra high-temperature plastic package and method of manufacture

#112
20090275697
2009-11-05

Manufacturing process for liquid crystalline polymer

#113
20090240022
2009-09-24

Liquid crystal polymer and film thereof

#114
20090212451
2009-08-27

Method of Preparing Wholly Aromatic Polyester

#115
20090118417
2009-05-07

Dendritic polymer, method for producing the same, and thermoplastic resin composition

#116
20090111964
2009-04-30

Wholly aromatic liquid-crystalline polyester

#117
20090001317
2009-01-01

Liquid crystalline polyester composition

#118
20080146770
2008-06-19

All-aromatic polyester compound, its preparation, and composition containing the same

#119
20070243376
2007-10-18

Liquid crystal resin, method for making the same, liquid crystal resin composition, and molded article

#120
20070182059
2007-08-09

Resin molded article with reduced dielectric loss tangent and production method therefor

#121
20070173565
2007-07-26

Wholly aromatic liquid crystal polyester resin composition and optical pickup lens holder

#122
20070129492
2007-06-07

Polysiloxane copolymers, thermoplastic composition, and articles formed therefrom

#123
20070066793
2007-03-22

Manufacture of aromatic polyester

#124
20070010647
2007-01-11

Liquid-crystal polyester resin

#125
20070003710
2007-01-04

Liquid crystalline polymer barrier resin films and processes thereof

#126
20060293491
2006-12-28

Method for producing polyester

#127
20060293490
2006-12-28

Liquid crystal polymers

#128
20060274142
2006-12-07

Flexible barrier film structure

#129
20060231793
2006-10-19

Liquid crystalline polymer composition

#130
20060186375
2006-08-24

Wholly aromatic liquid-crystalline polyester and method for preparing the same

#131
20060160987
2006-07-20

Liquid crystalline polyester and film using the same

#132
20060084747
2006-04-20

Method for manufacturing wholly aromatic liquid-crystalline polyester resin

#133
20060036058
2006-02-16

Liquid-crystalline polyester resin and method for producing it

#134
20050256291
2005-11-17

Highly thermal-conductive resin composition

#135
20050256289
2005-11-17

Method for joining liquid-crystalline polyester resin composition parts and jointed article made of liquid-crystalline polyester resin composition

#136
20050197483
2005-09-08

Liquid crystal polymers

#137
20050113555
2005-05-26

Aromatic liquid-crystalline polyester

#138
20050080227
2005-04-14

Liquid-crystalline polyester production method

#139
20050054811
2005-03-10

Liquid-crystal polyester resin

#140
20050031849
2005-02-10

Composite dielectric, composite dielectric sheet, composite dielectric paste, metal-layered composite dielectric, wiring board and multilayer wiring board