Global Patent Index - EP 4073129 A1

EP 4073129 A1 20221019 - ELECTROCALORIC POLYMER, INK AND FILM COMPRISING SAME, AND USES THEREOF

Title (en)

ELECTROCALORIC POLYMER, INK AND FILM COMPRISING SAME, AND USES THEREOF

Title (de)

ELEKTROKALORISCHES POLYMER, TINTE UND FILM DAMIT UND VERWENDUNG DAVON

Title (fr)

POLYMÈRE ÉLECTROCALORIQUE, ENCRE ET FILM EN COMPRENANT ET UTILISATIONS ASSOCIÉES

Publication

EP 4073129 A1 20221019 (FR)

Application

EP 20845177 A 20201211

Priority

  • FR 1914421 A 20191213
  • FR 2006705 A 20200626
  • FR 2020052388 W 20201211

Abstract (en)

[origin: WO2021116618A1] The invention relates to a polymer comprising VDF-based units having an electrocaloric effect under the effect of a variable electric field. The polymer comprises 0.1 to 10.0 mol% double bonds, which are substantially non-conjugated. The invention also relates to a corresponding composition and a corresponding film and to various uses.

IPC 8 full level

C08F 8/26 (2006.01); C08F 214/18 (2006.01); C08F 214/22 (2006.01); C08F 214/24 (2006.01); C08J 5/22 (2006.01); C09D 127/16 (2006.01); H10N 15/10 (2023.01); H10N 30/857 (2023.01)

CPC (source: EP KR US)

C08F 8/26 (2013.01 - EP KR); C08F 214/182 (2013.01 - KR); C08F 214/22 (2013.01 - EP KR); C08F 214/24 (2013.01 - KR); C08J 5/18 (2013.01 - EP KR); C09D 127/16 (2013.01 - EP KR); C09K 5/14 (2013.01 - US); H10N 30/857 (2023.02 - EP KR); C08J 2327/16 (2013.01 - EP KR); Y02B 30/00 (2013.01 - EP)

C-Set (source: EP)

  1. C08F 214/22 + C08F 214/182 + C08F 214/24
  2. C08F 8/26 + C08F 214/22

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 2021116618 A1 20210617; CN 115135679 A 20220930; EP 4073129 A1 20221019; JP 2023506792 A 20230220; KR 20220118463 A 20220825; US 2023022870 A1 20230126

DOCDB simple family (application)

FR 2020052388 W 20201211; CN 202080096466 A 20201211; EP 20845177 A 20201211; JP 2022535857 A 20201211; KR 20227023824 A 20201211; US 202017784438 A 20201211