Global Patent Index - EP 4055077 A1

EP 4055077 A1 20220914 - EPOXY RESIN COMPRISING AN ISOSORBIDE EPOXIDE

Title (en)

EPOXY RESIN COMPRISING AN ISOSORBIDE EPOXIDE

Title (de)

EPOXYDHARZ MIT EINEM ISOSORBIDEPOXID

Title (fr)

RÉSINE ÉPOXY COMPRENANT UN ÉPOXYDE D'ISOSORBIDE

Publication

EP 4055077 A1 20220914 (FR)

Application

EP 20816276 A 20201105

Priority

  • FR 1912572 A 20191108
  • FR 2020052011 W 20201105

Abstract (en)

[origin: WO2021089953A1] The invention relates to an epoxy prepolymer composition comprising: - (A) an isosorbide epoxide of formula (I), in which n is an integer of 0 to 300, - (B) an epoxide comprising at least 2 epoxy functions, to a curable composition comprising said epoxy prepolymer composition and a hardener (D) selected from polyamines, and to an epoxy resin formed by cross-linking said curable composition. The invention also relates to the use of said epoxy resin for the manufacture of composite materials.

IPC 8 full level

C08G 59/14 (2006.01); C08G 59/26 (2006.01); C08L 63/00 (2006.01)

CPC (source: EP KR)

C08G 59/1433 (2013.01 - EP KR); C08G 59/26 (2013.01 - EP KR); C08G 59/5026 (2013.01 - KR); C08G 59/5033 (2013.01 - KR); C08L 63/00 (2013.01 - KR)

C-Set (source: EP)

C08L 63/00 + C08L 63/00

Citation (search report)

See references of WO 2021089953A1

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)

FR 3102987 A1 20210514; FR 3102987 B1 20220603; EP 4055077 A1 20220914; KR 20220099962 A 20220714; WO 2021089953 A1 20210514

DOCDB simple family (application)

FR 1912572 A 20191108; EP 20816276 A 20201105; FR 2020052011 W 20201105; KR 20227014760 A 20201105