ClassID:

99291

C08G63/21 - 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 polycarboxylic acids and polyhydroxy compounds; Dicarboxylic acids and dihydroxy compounds; Polyesters having been prepared in the presence of compounds having one reactive group or more than two reactive groups in the presence of unsaturated monocarboxylic acids or unsaturated monohydric alcohols or reactive derivatives thereof

Recent Application in this class:
#1
20250248918
2025-08-07

BIODEGRADABLE POLYESTERS FOR WATER-RESISTANT ANHYDROUS SUNCARE FORMULATIONS

#2
20250122320
2025-04-17

CURABLE RESIN, CURABLE RESIN COMPOSITION, AND CURED ARTICLE

#3
20240301223
2024-09-12

POLYESTER RESIN, ACTIVE ENERGY RAY-CURABLE INK COMPOSITION CONTAINING SAME, AND METHOD FOR PRODUCING SAME

#4
20230383115
2023-11-30

CROSSLINKED POLYESTER RESIN

#5
20230203301
2023-06-29

PLASTICIZER FOR VINYL CHLORIDE RESIN, VINYL CHLORIDE RESIN COMPOSITION, AND MOLDED ARTICLE THEREOF

#6
20220299902
2022-09-22

Toner and method for manufacturing toner

#7
20220127453
2022-04-28

Unsaturated polyester resin composition and molded article thereof

#8
20220033333
2022-02-03

Monofunctional phenolic compound, active ester resin and method for producing the same, and thermosetting resin composition and cured product thereof

#9
20210259946
2021-08-26

Biodegradable polyesters for water-resistant anhydrous suncare formulations

#10
20210259945
2021-08-26

Biodegradable polyesters for water-resistant oil-in-water suncare formulations

#11
20210108088
2021-04-15

COATING SYSTEM

#12
20200102420
2020-04-02

Composition for liquid crystal polymer synthesis, liquid crystal polymer for electrical/electronic products, polymer resin composition, and molded product using the same

#13
20190250529
2019-08-15

Toner binder and toner

#14
20180355185
2018-12-13

Coating system

#15
20180291180
2018-10-11

PLASTICIZER COMPOSITION CONTAINING POLYMERIC DICARBOXYLIC ACID ESTERS AND DICARBOXYLIC ACID DIESTERS

#16
20170129992
2017-05-11

Resin, composition and use

#17
20130310520
2013-11-21

High molecular weight castor oil-based polyols and uses thereof

#18
20130237625
2013-09-12

Biodegradable elastomers prepared by the condensation of an organic di-, tri- or tetra-carboxylic acid and an organic diol

#19
20130164672
2013-06-27

Polyester resin, electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method

#20
20120231283
2012-09-13

Powder coating composition comprising a polyester and a crosslinker with oxirane groups providing improved corrosion resistance to a substrate coated therewith

#21
20120196949
2012-08-02

Fluorene-based resin polymer and photo-sensitive resin composition comprising the same

#22
20120178896
2012-07-12

Biodegradable polyester

#23
20110008277
2011-01-13

Polyol-based polymers

#24
20100237283
2010-09-23

Oxygen scavenging composition

#25
20100204485
2010-08-12

Polyacetylinic oligomers

#26
20100204432
2010-08-12

BIODEGRADABLE ELASTOMERS PREPARED BY THE CONDENSATION OF AN ORGANIC DI-, TRI- OR TETRA-CARBOXYLIC ACID AND AN ORGANIC DIOL

#27
20100204412
2010-08-12

Oligomers with di-phenylethynyl endcaps

#28
20100047194
2010-02-25

Structurants for Oil Phases

#29
20090324922
2009-12-31

Transparent composite material

#30
20090007819
2009-01-08

Aqueous dispersion comprising a branched triol having trimellitic anhydride and associated method

#31
20080210375
2008-09-04

Free-radical curable polyesters and methods for use thereof

#32
20080191173
2008-08-14

Free-radical curable polyesters and methods for use thereof

#33
20070299154
2007-12-27

Mold compositions with high adhesion to metal substrates

#34
20060240326
2006-10-26

Lithium secondary battery having an improved polymer electrolyte

#35
20050277758
2005-12-15

Process for adding methine UV light absorbers to PET prepared by direct esterification

#36
20050272888
2005-12-08

Free-radical curable polyesters and methods for use thereof

#37
20050054756
2005-03-10

Curable resins and curable resin compositions containing the same