C08G8/16 - CPC Classification Index

ClassID:

98637 ⎘

C08G8/16 - CPC Classification

Classification description:

Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed with amino- or nitrophenols

Recent Application in this class:

20250092180

2025-03-20

PREPARATION OF DESALTER EMULSION BREAKERS

20240409676

2024-12-12

(HYDROXYALKYL)AMINOPHENOL POLYMERS AND METHODS OF USE

20240294691

2024-09-05

ALKOXYLATED (HYDROXYALKYL)AMINOPHENOL POLYMERS AND METHODS OF USE

20240117102

2024-04-11

POLYMER, COMPOSITION, METHOD FOR PRODUCING POLYMER, COMPOSITION FOR FILM FORMATION, RESIST COMPOSITION, RESIST PATTERN FORMATION METHOD, RADIATION-SENSITIVE COMPOSITION, COMPOSITION FOR UNDERLAYER FILM FORMATION FOR LITHOGRAPHY, METHOD FOR PRODUCING UNDERLAYER FILM FOR LITHOGRAPHY, CIRCUIT PATTERN FORMATION METHOD, AND COMPOSITION FOR OPTICAL MEMBER FORMATION

20230383046

2023-11-30

(Hydroxyalkyl)aminophenol polymers and methods of use

20230044793

2023-02-09

METHOD FOR PREPARING A RESOL-TYPE PHENOLIC RESIN WITH REDUCED FORMALDEHYDE CONTENT

20220119577

2022-04-21

Alkoxylated (hydroxyalkyl)aminophenol polymers and methods of use

20220119574

2022-04-21

(Hydroxyalkyl)aminophenol polymers and methods of use

20170145142

2017-05-25

Resist material, resist composition and method for forming resist pattern

#10

20170144954

2017-05-25

Material for forming film for lithography, composition for forming film for lithography, film for lithography, pattern forming method and purification method

#11

20160326396

2016-11-10

Resist underlayer film-forming composition containing novolac polymer having secondary amino group