ClassID:

100565

C08J2361/18 - CPC Classification

Classification description:

Characterised by the use of condensation polymers of aldehydes or ketones ; Derivatives of such polymers Condensation polymers of aldehydes or ketones with aromatic hydrocarbons or their halogen derivatives only

Recent Application in this class:
#1
20260070048
2026-03-12

NITROGEN-CONTAINING BRANCHED POLYMER, ANION EXCHANGE MEMBRANE, AND METHOD FOR PREPARING ANION EXCHANGE RESIN

#2
20250243310
2025-07-31

ANION EXCHANGE BRANCHED CO-POLYMER WITH POLY(ARYL) AND A BRANCHED COMPOUND AND QUINUCLIDINIUM SIDE CHAINS AND SYNTHESIS THEREOF

#3
20250163232
2025-05-22

SUBSTANCE, MEMBRANE, USE OF A MEMBRANE AND METHOD FOR THE PREPARATION OF A SUBSTANCE

#4
20250099922
2025-03-27

ARYL-ETHER-FREE POLYAROMATIC POLYMERS WITH BRANCHED STRUCTURES FOR ANION EXCHANGE MEMBRANES

#5
20240368363
2024-11-07

COMPOSITE ION EXCHANGE MEMBRANE AND METHOD OF MAKING SAME

#6
20230374237
2023-11-23

METHOD FOR IMPREGNATING REINFORCING FIBRES WITH POLYARYLETHERKETONES AND SEMI-PRODUCTS OBTAINED THEREFROM

#7
20230323053
2023-10-12

Composite ion exchange membrane and method of making same

#8
20230183450
2023-06-15

FOAM MOLDING COMPOSITION, FOAM MOLDED BODY, ELECTRIC WIRE, METHOD FOR PRODUCING FOAM MOLDED BODY AND METHOD FOR PRODUCING ELECTRIC WIRE

#9
20220213283
2022-07-07

Composite ion exchange membrane and method of making same

#10
20210130557
2021-05-06

Method for impregnating reinforcing fibres with polyaryletherketones and semi-products obtained therefrom

#11
20190036143
2019-01-31

Poly(aryl piperidinium) polymers for use as hydroxide exchange membranes and ionomers

#12
20180251616
2018-09-06

Composite ion exchange membrane and method of making same

#13
20140113518
2014-04-24

Prepreg, metal foil-clad laminate, and printed wiring board

#14
20120041146
2012-02-16

Phenol-formaldehyde polymer with carbon nanotubes, a method of producing same, and products derived therefrom

#15
19293356
2026-05-05

Polymers for use as anion exchange membranes