Global Patent Index - EP 4045313 A1

EP 4045313 A1 20220824 - ELECTRICALLY DIMMABLE GLAZING

Title (en)

ELECTRICALLY DIMMABLE GLAZING

Title (de)

ELEKTRISCH DIMMBARE VERSCHEIBUNG

Title (fr)

VITRAGE À INTENSITÉ RÉGLABLE ÉLECTRIQUEMENT

Publication

EP 4045313 A1 20220824 (DE)

Application

EP 20807286 A 20201008

Priority

  • EP 19203193 A 20191015
  • EP 2020078210 W 20201008

Abstract (en)

[origin: WO2021073992A1] The invention relates to a specific multi-layer composite which is suitable for use as a component in liquid crystal devices and which contains, inter alia, two specific polycarbonate layers. The invention also relates to a method for producing the multi-layer composite. The invention further relates to a liquid crystal device comprising a multi-layer composite according to the invention, a method for the production thereof, and the use thereof as building glazing, vehicle glazing, headlight covers, optical filters, shutters, flat-screen displays, glazed advertising devices, partition walls in trains and in point-of-interest devices.

IPC 8 full level

B32B 7/12 (2006.01); B32B 17/10 (2006.01); B32B 27/18 (2006.01); B32B 27/36 (2006.01); G02F 1/1334 (2006.01); G02F 1/17 (2019.01)

CPC (source: CN EP KR US)

B29D 11/0073 (2013.01 - EP KR); B29D 11/00788 (2013.01 - EP KR); B32B 7/02 (2013.01 - KR); B32B 7/023 (2018.12 - KR US); B32B 7/025 (2018.12 - KR); B32B 7/08 (2013.01 - US); B32B 7/12 (2013.01 - EP KR); B32B 17/10005 (2021.01 - CN); B32B 17/10036 (2013.01 - CN EP KR); B32B 17/10174 (2013.01 - CN EP KR); B32B 17/10504 (2013.01 - CN EP KR); B32B 27/08 (2013.01 - CN US); B32B 27/16 (2013.01 - US); B32B 27/18 (2013.01 - EP KR); B32B 27/308 (2013.01 - CN); B32B 27/365 (2013.01 - CN EP KR US); B32B 33/00 (2013.01 - CN); B32B 37/02 (2013.01 - US); E06B 3/6722 (2013.01 - KR); E06B 9/24 (2013.01 - CN EP KR); G02F 1/1334 (2013.01 - CN EP KR); B32B 2250/03 (2013.01 - US); B32B 2250/04 (2013.01 - EP KR); B32B 2250/24 (2013.01 - US); B32B 2250/40 (2013.01 - US); B32B 2255/10 (2013.01 - EP KR US); B32B 2255/20 (2013.01 - CN); B32B 2255/205 (2013.01 - US); B32B 2255/26 (2013.01 - US); B32B 2305/55 (2013.01 - US); B32B 2307/202 (2013.01 - EP KR US); B32B 2307/306 (2013.01 - US); B32B 2307/412 (2013.01 - CN US); B32B 2307/42 (2013.01 - US); B32B 2307/538 (2013.01 - US); B32B 2307/584 (2013.01 - CN US); B32B 2307/71 (2013.01 - CN); B32B 2307/714 (2013.01 - CN); B32B 2307/732 (2013.01 - EP KR US); B32B 2369/00 (2013.01 - US); B32B 2457/202 (2013.01 - CN US); B32B 2605/006 (2013.01 - EP KR); E06B 3/6722 (2013.01 - EP); E06B 2009/2464 (2013.01 - CN EP KR); G02F 2202/28 (2013.01 - EP KR)

Citation (search report)

See references of WO 2021073992A1

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 2021073992 A1 20210422; WO 2021073992 A8 20210610; CN 114514116 A 20220517; EP 4045313 A1 20220824; JP 2022552550 A 20221216; KR 20220079856 A 20220614; US 2022363045 A1 20221117

DOCDB simple family (application)

EP 2020078210 W 20201008; CN 202080072158 A 20201008; EP 20807286 A 20201008; JP 2022522800 A 20201008; KR 20227012066 A 20201008; US 202017767102 A 20201008