ClassID:

99352

C08G63/826 - 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 Metals not provided for in groups  - 

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

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

#2
20260042913
2026-02-12

OXYGEN SCAVENGING COMPOSITIONS REQUIRING NO INDUCTION PERIOD

#3
20250122334
2025-04-17

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

#4
20240368148
2024-11-07

DIFUNCTIONAL BIO-BENZOXAZINE COMPOUNDS, PREPARATION METHODS AND USES THEREOF

#5
20230357494
2023-11-09

IMPROVED OXYGEN BARRIER OF 1,4-BUTANEDIOL CONTAINING POLYMERS

#6
20230257520
2023-08-17

PROCESS FOR PREPARING POLY(TRIMETHYLENE FURANDICARBOXYLATE) USING ZINC CATALYST

#7
20230203336
2023-06-29

Paints Containing Driers Based on Vanadium Compounds Bearing Anions of Sulfonic Acids as Counter Ions

#8
20230203243
2023-06-29

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

#9
20220396595
2022-12-15

A METAL COMPLEX AND USE THEREOF

#10
20220372216
2022-11-24

CATALYST SYSTEMS FOR CRYSTALLIZABLE REACTOR GRADE RESINS

#11
20220127417
2022-04-28

POLYESTER COPOLYMER FOR EXTRUSION

#12
20210395444
2021-12-23

Controlled production of polyglycolic acid and glycolide

#13
20210340315
2021-11-04

CASHEW NUT SHELL LIQUID DERIVATIVES AND METHODS FOR MAKING AND USING SAME

#14
20210269589
2021-09-02

PROCESS FOR PREPARING POLY(TRIMETHYLENE FURANDICARBOXYLATE) USING ZINC CATALYST

#15
20200239628
2020-07-30

Copolyester tape

#16
20200071517
2020-03-05

Oxygen scavenging compositions requiring no induction period

#17
20200062900
2020-02-27

Sustainable polymer compositions and methods

#18
20200017634
2020-01-16

PROCESS FOR PREPARING POLY(TRIMETHYLENE FURANDICARBOXYLATE) USING ZINC CATALYST

#19
20190040191
2019-02-07

Recyclable polymers based on ring-fused gamma-butyrolactones

#20
20180291142
2018-10-11

Biomimetic fluoroscopic films

#21
20170182210
2017-06-29

TISSUE ENGINEERING SCAFFOLD MATERIAL AND BIODEGRADABLE POLYESTER ELASTOMER THEREOF

#22
20160130415
2016-05-12

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

#23
20160102172
2016-04-14

PE-like polyesters

#24
20150368394
2015-12-24

CATALYSTS AND METHODS FOR POLYESTER PRODUCTION

#25
20150051366
2015-02-19

Complex metal oxide, and method of preparing polyester using the same

#26
20140364580
2014-12-11

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

#27
20120183761
2012-07-19

Polyester film for the protection of back surfaces of solar cells

#28
20120115997
2012-05-10

PROCESS FOR PRODUCTION OF POLYESTERS

#29
20120046483
2012-02-23

Catalyst for Esterification and Polyesterification, and Method for Making Esterified and Polyesterified Product by Using the Same

#30
20110160390
2011-06-30

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

#31
20090011236
2009-01-08

Process for Continuous Production of Polyester, Polyester Prepolymer Granule and Polyester

#32
20080182963
2008-07-31

Method For Producing Polyester

#33
20080161472
2008-07-03

Oxygen-scavenging polyester compositions useful in packaging

#34
20080132672
2008-06-05

Composition comprising titanium and clay and process therewith

#35
20060293493
2006-12-28

Polyester resins with a special co-catalyst for high melt poly and SSP reactivity with enhanced color values

#36
20060229429
2006-10-12

Polyester resin and process for its production

#37
20060100364
2006-05-11

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

#38
20060084782
2006-04-20

Polyester resin and process for its production

#39
20060079395
2006-04-13

Catalyst systems for polycondensation reactions

#40
20060030479
2006-02-09

Composition comprising titanium and clay and process therewith

#41
20050261462
2005-11-24

Methods of making titanium-catalyzed polyester resins

#42
20050148758
2005-07-07

Stable aqueous solutions comprising titanium and zinc and process therewith