Global Patent Index - EP 4045564 A1

EP 4045564 A1 20220824 - PHOTOSENSITIVE COMPOSITIONS AND APPLICATIONS THEREOF

Title (en)

PHOTOSENSITIVE COMPOSITIONS AND APPLICATIONS THEREOF

Title (de)

FOTOEMPFINDLICHE ZUSAMMENSETZUNGEN UND ANWENDUNGEN DAVON

Title (fr)

COMPOSITIONS PHOTOSENSIBLES ET LEURS APPLICATIONS

Publication

EP 4045564 A1 20220824 (EN)

Application

EP 19798796 A 20191017

Priority

US 2019056647 W 20191017

Abstract (en)

[origin: WO2021076131A1] The present invention relates to photosensitive compositions containing polynorbornene (PNB) polymers and certain additives that are useful for forming microelectronic and/or optoelectronic devices and assemblies thereof, and more specifically to compositions encompassing PNBs and certain multifunctional crosslinking agents, and two or more phenolic compounds which are resistant to thermo-oxidative chain degradation and exhibit improved mechanical properties.

IPC 8 full level

C08G 65/26 (2006.01); C08F 232/08 (2006.01); C08G 61/08 (2006.01); C08G 65/38 (2006.01); C09D 163/00 (2006.01); H01L 21/02 (2006.01); H01L 31/00 (2006.01)

CPC (source: EP KR)

C08F 232/00 (2013.01 - EP KR); C08G 61/08 (2013.01 - EP KR); C08K 5/1515 (2013.01 - KR); C08L 45/00 (2013.01 - EP KR); C08L 65/00 (2013.01 - KR); C09D 165/00 (2013.01 - EP); G03F 7/004 (2013.01 - KR); G03F 7/021 (2013.01 - KR); H01L 21/02118 (2013.01 - EP KR); H01L 21/02282 (2013.01 - EP KR); H01L 23/293 (2013.01 - EP); C08G 65/2609 (2013.01 - EP); C08G 65/2612 (2013.01 - EP); C08G 65/38 (2013.01 - EP); C08G 2261/135 (2013.01 - EP); C08G 2261/1422 (2013.01 - EP); C08G 2261/1424 (2013.01 - EP); C08G 2261/418 (2013.01 - EP); C08G 2261/76 (2013.01 - EP); C09D 163/00 (2013.01 - EP); C09D 171/00 (2013.01 - EP)

C-Set (source: EP)

C08F 232/00 + C08F 232/00

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2021076131 A1 20210422; CN 114555674 A 20220527; EP 4045564 A1 20220824; JP 2023506116 A 20230215; JP 7447252 B2 20240311; KR 20220084094 A 20220621

DOCDB simple family (application)

US 2019056647 W 20191017; CN 201980101333 A 20191017; EP 19798796 A 20191017; JP 2022522909 A 20191017; KR 20227015895 A 20191017