ClassID:

99358

C08G63/866 - 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; Germanium, tin, lead, arsenic, antimony, bismuth, titanium, zirconium, hafnium, vanadium, niobium, tantalum, or compounds thereof; Germanium, antimony, or compounds thereof Antimony or compounds thereof

Recent Application in this class:
#1
20260049212
2026-02-19

POLYESTER RESIN MIXTURE, METHOD FOR PREPARING SAME, AND POLYESTER FILM PREPARED THEREFROM

#2
20250304522
2025-10-02

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

#3
20250263525
2025-08-21

METHOD FOR MANUFACTURING POLYESTER FILM FOR EMBOSSING

#4
20250215187
2025-07-03

IMPROVED METHOD FOR DEPOLYMERISING POLYETHYLENE TEREPHTHALATE

#5
20250154333
2025-05-15

RENEWABLE POLYMERS FROM POST-CONSUMER PET DEPOLYMERIZED FEEDSTOCK

#6
20250043068
2025-02-06

DEGRADABLE POLYESTER RESIN AND MANUFACTURING METHOD THEREOF

#7
20240166808
2024-05-23

Catalyst Composition For A Polyester Manufacturing Process

#8
20240132694
2024-04-25

POLYMERISATION

#9
20240052529
2024-02-15

High-strength thermal-stability polyester industrial yarn and preparation method thereof

#10
20240026071
2024-01-25

BIODEGRADABLE POLYESTER RESIN PREPARED BY ADDING REACTION RATE CONTROL AGENT AND MOLECULAR WEIGHT INCREASING AGENT DERIVED FROM BIOMASS AND METHOD FOR PREPARING SAME

#11
20230235116
2023-07-27

HIGH-TEMPERATURE SELF-CROSSLINKING-BASED FLAME-RETARDANT ANTI-DRIPPING COPOLYESTER, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

#12
20230212354
2023-07-06

SOLVENT-FREE MELT POLYCONDENSATION PROCESS OF MAKING FURAN BASED POLYAMIDES

#13
20230212350
2023-07-06

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

#14
20230203244
2023-06-29

A METHOD FOR IMPROVING L* COLOR IN A PET POLYMER

#15
20230026172
2023-01-26

METHOD FOR MANUFACTURE OF POLYESTERS WITH RECYCLE CONTENT

#16
20220372217
2022-11-24

CATALYST SYSTEMS FOR CRYSTALLIZABLE REACTOR GRADE RESINS WITH RECYCLED CONTENT

#17
20220372216
2022-11-24

CATALYST SYSTEMS FOR CRYSTALLIZABLE REACTOR GRADE RESINS

#18
20220363822
2022-11-17

CRYSTALLIZABLE SHRINKABLE FILMS AND THERMOFORMABLE FILMS AND SHEETS MADE FROM REACTOR GRADE RESINS WITH RECYCLED CONTENT

#19
20220282036
2022-09-08

A PROCESS FOR MANUFACTURING SPECIALTY POLYESTERS & CO-POLYESTERS FROM RECYCLED BIS 2-HYDROXYETHYL TEREPHTHALATE (rBHET) AND PRODUCT THEREOF

#20
20220153926
2022-05-19

Process of manufacturing biodegradable pet chips

#21
20220017708
2022-01-20

POLYESTER FILM FOR EMBOSSING AND METHOD FOR MANUFACTURING THE SAME

#22
20220002481
2022-01-06

Method for preparing polyester polyol

#23
20210355609
2021-11-18

Polyester yarn for industrial sewing thread and preparing method thereof

#24
20210284792
2021-09-16

Degradable polyester fiber and preparing method thereof

#25
20210246579
2021-08-12

Easy-to-dye degradable polyester FDY and preparing method thereof

#26
20210230776
2021-07-29

Preparing method of high-modulus-low-shrinkage activated PET industrial yarn

#27
20210214491
2021-07-15

CATALYST COMPOSITION FOR A POLYESTER MANUFACTURING PROCESS

#28
20210087716
2021-03-25

Fully dull polyester drawn yarn and preparing method thereof

#29
20210054535
2021-02-25

Feather-like polyester fiber and preparing method thereof

#30
20200239628
2020-07-30

Copolyester tape

#31
20200231746
2020-07-23

Bi-profiled fiber and preparing method thereof

#32
20200207695
2020-07-02

PREPARATION OF FUNCTIONALIZED ORGANIC MAGNESIUM SALT AND USE THEREOF IN PREPARATION OF POLYESTER COMPOSITE MATERIAL

#33
20200190280
2020-06-18

Method for manufacturing textile waste into fiber grade polyester chips applicable to textile processing

#34
20200031992
2020-01-30

Process for producing a cationic dyeable polyester and the cationic dyeable polyester produced thereby

#35
20190031826
2019-01-31

PROCESS FOR ENHANCING THE MOLECULAR WEIGHT OF A POLYESTER BY SOLID STATE POLYMERIZATION

#36
20190002632
2019-01-03

Process for reducing diethylene glycol formation in polyethylene terephthalate

#37
20190002630
2019-01-03

FERULIC ACID AND P-COUMARIC ACID BASED POLYMERS AND COPOLYMERS

#38
20180319977
2018-11-08

Polyethylene terephthalate resin composition and film formed from same

#39
20180208714
2018-07-26

Low chromatic aberration polyester different-shrinkage composite yarn

#40
20180202078
2018-07-19

Ultra-low shrinkage polyester industrial yarn and its preparation method

#41
20180201728
2018-07-19

Flame-retardant polyester fiber and its preparation method

#42
20180201726
2018-07-19

Industrial polyester and its preparation method

#43
20180086879
2018-03-29

Method for producing polyester

#44
20170335052
2017-11-23

Method of producing copolyester material with peptide and copolyester material with peptide thereof

#45
20170306083
2017-10-26

Polycyclohexylenedimethylene terephthalate resin having enhanced crystallization speed and method for preparing same

#46
20170283549
2017-10-05

Catalyst composition for a polyester manufacturing process

#47
20170073462
2017-03-16

Method for preparing a polyester under specific esterification conditions

#48
20170066875
2017-03-09

Polyester-containing object made from melt-processing poly(ethylene-2,5-furandicarboxylate)

#49
20170066870
2017-03-09

Polyester and method for preparing such a polyester

#50
20170015781
2017-01-19

Process for enhancing the molecular weight of a polyester

#51
20170015780
2017-01-19

Polyester and method for preparing such a polyester

#52
20160185900
2016-06-30

Method for preparing a modified copolyester

#53
20160130415
2016-05-12

Biaxially stretched polyester film and method for producing same, and optical sheet

#54
20150329667
2015-11-19

Process for manufacturing polyethylene terephthalate

#55
20150141584
2015-05-21

PROCESS FOR THE PRODUCTION OF POLY(ETHYLENE 2,5-FURANDICARBOXYLATE) FROM 2,5-FURANDICARBOXYLIC ACID AND USE THEREOF, POLYESTER COMPOUND AND BLENDS THEREOF

#56
20140370219
2014-12-18

MEDICAL PACKAGING CONTAINER

#57
20140336349
2014-11-13

Process for preparing a polymer product having a 2,5-furandicarboxylate moiety within the polymer backbone to be used in bottle, film or fibre applications

#58
20140021652
2014-01-23

High intrinsic viscosity melt phase polyester polymers with acceptable acetaldehyde generation rates

#59
20120101249
2012-04-26

High IV melt phase polyester polymer catalyzed with antimony containing compounds

#60
20120071625
2012-03-22

Process for making polyethylene terephthalate

#61
20110266187
2011-11-03

Oxygen scavenging polymers

#62
20110201752
2011-08-18

High IV melt phase polyester polymer catalyzed with antimony containing compounds

#63
20110087000
2011-04-14

Integrated Process to Selectively Convert Renewable Isobutanol to P-Xylene

#64
20100279222
2010-11-04

High IV melt phase polyester polymer catalyzed with antimony containing compounds

#65
20090311457
2009-12-17

Oxygen scavenging polymers

#66
20080045629
2008-02-21

Method for incorporating nitrogen containing methine light absorbers in PET and compositions thereof

#67
20080033084
2008-02-07

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

#68
20070093637
2007-04-26

Polyester, production method thereof, fibers therefrom and catalyst for polymerization of polyester

#69
20070055043
2007-03-08

Modified polyethylene, terephthalate for low temperature dyeability, controlled shrinkage characteristics and improved tensile properties

#70
20060287472
2006-12-21

High intrinsic viscosity melt phase polyester polymers with acceptable acetaldehyde generation rates

#71
20060202161
2006-09-14

Oxygen scavenging polymers

#72
20060149027
2006-07-06

High IV melt phase polyester polymer catalyzed with antimony containing compounds

#73
20060149026
2006-07-06

High IV melt phase polyester polymer catalyzed with antimony containing compounds

#74
20050277716
2005-12-15

Furyl-2-methylidene UV absorbers and compositions incorporating the UV absorbers

#75
20050267284
2005-12-01

Method for incorporating nitrogen containing methine light absorbers in pet and compositions thereof

#76
20050203267
2005-09-15

High IV melt phase polyester polymer catalyzed with antimony containing compounds

#77
20050176870
2005-08-11

Process for the preparation of fast reheat (FRH) bottle grade polyethyleneterephthalate (PET) resin