Global Patent Index - EP 4308620 A1

EP 4308620 A1 20240124 - PROCESS FOR MAKING A POLYURETHANE GEL

Title (en)

PROCESS FOR MAKING A POLYURETHANE GEL

Title (de)

VERFAHREN ZUR HERSTELLUNG EINES POLYURETHANGELS

Title (fr)

PROCÉDÉ DE FABRICATION D'UN GEL DE POLYURÉTHANE

Publication

EP 4308620 A1 20240124 (EN)

Application

EP 22714242 A 20220307

Priority

  • IT 202100006140 A 20210315
  • IB 2022051989 W 20220307

Abstract (en)

[origin: WO2022195398A1] It is provided a process for making a polyurethane gel (1), comprising: a first formulation step in which the choice and dosage of at least one polyol occurs (2) defining a polyol blend (20) and isocyanate (3), one Next phase of mixing and polymerization in which the polyol blend (20) and the isocyanate (3) react and a thermosetting polyurethane gel (1) is made, a phase of expansion during polymerization.

IPC 8 full level

C08G 18/08 (2006.01); C08G 18/42 (2006.01); C08G 18/48 (2006.01); C08G 18/76 (2006.01); C08J 9/12 (2006.01); C08J 9/14 (2006.01); C08J 9/30 (2006.01); C08J 9/32 (2006.01); C08K 3/34 (2006.01)

CPC (source: EP)

C08G 18/0885 (2013.01); C08G 18/42 (2013.01); C08G 18/4825 (2013.01); C08G 18/4829 (2013.01); C08G 18/7657 (2013.01); C08G 18/7671 (2013.01); C08J 9/30 (2013.01); C08J 9/32 (2013.01); C08J 2203/22 (2013.01); C08J 2375/04 (2013.01)

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

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

WO 2022195398 A1 20220922; EP 4308620 A1 20240124

DOCDB simple family (application)

IB 2022051989 W 20220307; EP 22714242 A 20220307