Global Patent Index - EP 4077457 A1

EP 4077457 A1 20221026 - HEAT-STABILIZING AGENT

Title (en)

HEAT-STABILIZING AGENT

Title (de)

HITZESTABILISATOR

Title (fr)

AGENT THERMO STABILISANT

Publication

EP 4077457 A1 20221026 (FR)

Application

EP 20841968 A 20201202

Priority

  • FR 1914492 A 20191216
  • FR 2020000265 W 20201202

Abstract (en)

[origin: WO2021123513A1] The invention relates to a specific polyurethane heat-stabilizing agent (P) and to the preparation of an aqueous composition which is resistant to temperature changes due to the use of said agent (P). The invention also relates to the thermal stabilization of the viscosity of an aqueous composition in a wide temperature range and for many shear gradient values.

IPC 8 full level

C08G 18/75 (2006.01); C08G 18/22 (2006.01); C08G 18/28 (2006.01); C08G 18/48 (2006.01)

CPC (source: EP KR US)

C08G 18/227 (2013.01 - EP KR US); C08G 18/283 (2013.01 - EP KR US); C08G 18/3221 (2013.01 - US); C08G 18/4833 (2013.01 - EP KR US); C08G 18/755 (2013.01 - EP KR)

Citation (search report)

See references of WO 2021123513A1

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)

FR 3104587 A1 20210618; FR 3104587 B1 20220107; CN 114787228 A 20220722; EP 4077457 A1 20221026; KR 20220117250 A 20220823; US 2023025556 A1 20230126; WO 2021123513 A1 20210624

DOCDB simple family (application)

FR 1914492 A 20191216; CN 202080084432 A 20201202; EP 20841968 A 20201202; FR 2020000265 W 20201202; KR 20227022115 A 20201202; US 202017785386 A 20201202