ClassID:

99354

C08G63/84 - 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 Boron, aluminium, gallium, indium, thallium, rare-earth metals, or compounds thereof

Recent Application in this class:
#1
20260092155
2026-04-02

METHOD FOR PRODUCING POLYESTER FILM USING POLYESTER RESIN DERIVED FROM BIOMASS RESOURCES, AND POLYESTER FILM

#2
20250075032
2025-03-06

COPOLYESTER RESIN

#3
20250034329
2025-01-30

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

#4
20240368342
2024-11-07

Methods for Preparing Polyhydroxyalkanoate Polymer Compositions

#5
20240309148
2024-09-19

MONOMER AND POLYMERS

#6
20240150520
2024-05-09

ALTERNATING POLY(LACTIC-CO-GLYCOLIC ACID) AND METHODS OF MAKING AND USING SAME

#7
20240117110
2024-04-11

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

#8
20240067775
2024-02-29

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

#9
20240043609
2024-02-08

NOVEL THERMOPLASTIC POLYESTERS AND SYNTHESIS THEREFOR

#10
20240002592
2024-01-04

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

#11
20230374205
2023-11-23

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

#12
20230365747
2023-11-16

A POLYESTER RESIN, A HOLLOW MOLDED BODY FORMED THEREFROM, AND A PRODUCTION METHOD THEREFOR

#13
20230203244
2023-06-29

A METHOD FOR IMPROVING L* COLOR IN A PET POLYMER

#14
20230174738
2023-06-08

Sustainable Polyester from Recycled Polyethylene Terephthalate

#15
20230151208
2023-05-18

COPOLYMERIZED POLYESTER RESIN, HEAT-SHRINKABLE FILM, HEAT-SHRINKABLE LABEL, AND PACKAGED PRODUCT

#16
20230151207
2023-05-18

COPOLYMERIZED POLYESTER RESIN, MOLDED PRODUCT, HEAT-SHRINKABLE FILM, AND FIBER

#17
20230051676
2023-02-16

POLYCARBONATE AND METHOD FOR PRODUCING POLYCARBONATE

#18
20220389157
2022-12-08

Process for polymerizing beta-butyrolactone

#19
20220325035
2022-10-13

POLYESTER, POLYESTERAMIDE, AND POLYAMIDE COMPOSITIONS

#20
20220010057
2022-01-13

Novel Polyglycolic Acid and Preparation Method Thereof by Polycondensation

#21
20220002481
2022-01-06

Method for preparing polyester polyol

#22
20210394166
2021-12-23

CATALYST COMPOSITION

#23
20210371650
2021-12-02

Polyester carbonate and method for producing polyester carbonate

#24
20210024479
2021-01-28

Systems and methods for regioselective carbonylation of 2,2-disubstituted epoxides for the production of alpha,alpha-disubstituted beta-lactones

#25
20200384450
2020-12-10

Catalysts and methods for epoxide-based polymerizations

#26
20200354515
2020-11-12

Process for polymerizing β-butyrolactone

#27
20200308396
2020-10-01

Amorphous polyester composition and method of making

#28
20200002472
2020-01-02

SUSTAINABLE PROCESS FOR PREPARING POLYESTERS HAVING HIGH GLASS TRANSITION TEMPERATURE

#29
20180265628
2018-09-20

Lactone-epoxide statistical copolymers

#30
20180265627
2018-09-20

Copolymerized polyester resin and method for producing the same

#31
20180022867
2018-01-25

Method for producing polyester

#32
20170335055
2017-11-23

Method for producing a polyester containing at least one 1,4:3,6-dianhydrohexitol unit with improved colouring

#33
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

#34
20170182210
2017-06-29

TISSUE ENGINEERING SCAFFOLD MATERIAL AND BIODEGRADABLE POLYESTER ELASTOMER THEREOF

#35
20170137442
2017-05-18

Mononuclear salen indium catalysts and methods of manufacture and use thereof

#36
20160319066
2016-11-03

Polyester resin

#37
20160130415
2016-05-12

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

#38
20160096919
2016-04-07

METHOD FOR PREPARING A POLYESTER

#39
20150376330
2015-12-31

Process for preparing a copolymer

#40
20150087762
2015-03-26

Polyester composition and polyester film

#41
20150038651
2015-02-05

Dinuclear indium catalysts and their use for (Co)polymerization of cyclic esters

#42
20140364580
2014-12-11

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

#43
20140163187
2014-06-12

η:η-cyclopentadienylidene-phosphorane constrained geometry complexes of rare earth metals

#44
20140155562
2014-06-05

Homoleptic rare earth triaryl complexes

#45
20140148558
2014-05-29

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

#46
20140113094
2014-04-24

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

#47
20140073758
2014-03-13

Polycondensation catalyst for producing polyester and production of polyester using the polycondensation catalyst

#48
20130281681
2013-10-24

Group 3 Post-Metallocene Complexes Based on Bis(Naphthoxy)Pyridine and Bis(Naphthoxy)ThioPhene Ligands for the Ring-Opening Polymerisation of Polar Cyclic Monomers

#49
20130267674
2013-10-10

POLYESTER RESIN

#50
20130178598
2013-07-11

Method for producing polylactic acid

#51
20130158227
2013-06-20

Process for synthesizing a new catalyst complex for the production of polyethylene terephthlate

#52
20130045863
2013-02-21

COMPLEX AND METHOD OF PREPARATION

#53
20120271030
2012-10-25

Catalyst and process

#54
20120183761
2012-07-19

Polyester film for the protection of back surfaces of solar cells

#55
20120115997
2012-05-10

PROCESS FOR PRODUCTION OF POLYESTERS

#56
20110281049
2011-11-17

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

#57
20110160390
2011-06-30

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

#58
20110143275
2011-06-16

PRODUCING METHOD OF WATER DISPERSION OF POLYESTER RESIN PARTICLES, RESIN COMPOSITION, PRODUCING METHOD OF RESIN COMPOSITION AND ELECTROPHOTOGRAPHIC TONER

#59
20110112273
2011-05-12

Group 3 post-metallocene complexes based on bis(naphthoxy)pyridine and bis(naphthoxy)thiophene ligands for the ring-opening polymerisation of polar cyclic monomers

#60
20100273956
2010-10-28

Copolyesters having improved thermal stability and methods for making them

#61
20100069553
2010-03-18

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

#62
20090186177
2009-07-23

POLYESTER MELT PHASE PRODUCTS AND PROCESS FOR MAKING THE SAME

#63
20090143561
2009-06-04

Process for producing polyester with metal phosphonic acid complex catalysts

#64
20090082529
2009-03-26

Polyester, Process for Producing Polyester, and Polyester Molded Article

#65
20080255280
2008-10-16

Oxygen-scavenging polymer blends suitable for use in packaging

#66
20080249280
2008-10-09

Process for producing polyester, polyester produced using said process, and polyester molded product

#67
20080188602
2008-08-07

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

#68
20080139727
2008-06-12

Non-precipitating alkali/alkaline earth metal and aluminum solutions made with diols having at least two primary hydroxyl groups

#69
20080108780
2008-05-08

Polymerization catalyst for polyester, method for producing it and process for producing polyester using it

#70
20080108779
2008-05-08

Process for producing polyester with metal phosphonic acid complex catalysts

#71
20080027209
2008-01-31

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

#72
20080027208
2008-01-31

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

#73
20080027207
2008-01-31

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

#74
20070149757
2007-06-28

Polyester polymerization catalyst, polyester produced by using the same, and a process for producing polyester

#75
20070106055
2007-05-10

Polyester polymerization catalyst, polyester produced therewith and process for producing the polyester

#76
20070066791
2007-03-22

Aluminum containing polyester polymers having low acetaldehyde generation rates

#77
20070066735
2007-03-22

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

#78
20060275568
2006-12-07

Polyester container with enhanced gas barrier and method

#79
20060155102
2006-07-13

Catalyst and process

#80
20060142536
2006-06-29

Biodegradable linear random copolyester and process for preparing it and use of the same

#81
20060135740
2006-06-22

Polyester polymerization catalysis

#82
20060110674
2006-05-25

Method of producing polyester, method of producing electrostatic developing toner and electrostatic developing toner

#83
20060100364
2006-05-11

Polymerization of macrocyclic polyester oligomers at elevated temperature using rare earth element catalysts

#84
20060100363
2006-05-11

Polymerization of macrocyclic polyester oligomers using metal amide and metal alkoxide catalysts

#85
20060100362
2006-05-11

Polymerization of macrocyclic polyester oligomers using N-heterocyclic carbene and metal amide or metal alkoxide catalyst

#86
20060009612
2006-01-12

Polymerization catalyst for polyester, method for producing it and process for producing polyester using it

#87
20060004151
2006-01-05

Copolymers containing indan moieties and blends thereof

#88
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