Global Patent Index - EP 4210942 A1

EP 4210942 A1 20230719 - PROCESS FOR PRODUCING A COMPOSITE PANE HAVING A HOLOGRAM

Title (en)

PROCESS FOR PRODUCING A COMPOSITE PANE HAVING A HOLOGRAM

Title (de)

VERFAHREN ZUR HERSTELLUNG EINER VERBUNDSCHEIBE MIT HOLOGRAMM

Title (fr)

PROCÉDÉ DE PRODUCTION D'UNE VITRE COMPOSITE DOTÉE D'UN HOLOGRAMME

Publication

EP 4210942 A1 20230719 (DE)

Application

EP 21770258 A 20210903

Priority

  • EP 20195949 A 20200914
  • EP 2021074376 W 20210903

Abstract (en)

[origin: WO2022053404A1] The invention relates to a process for producing a composite pane (100) having a hologram, at least comprising the steps of: a) providing a first pane (1) and a second pane (2), b) spraying a photosensitive material (15) as a hologram element (5) at least in a coating region (7) on the surface (III) of the first pane (1), c) generating at least one hologram by means of selective laser irradiation of the exposed hologram element (5), d) forming a layer stack from the first pane (1), a thermoplastic intermediate layer (3) and a second pane (2), the hologram element (5) being arranged between the two panes (1, 2), e) joining the first pane (1) and the second pane (2) by means of the thermoplastic intermediate layer (3) to form a composite pane (100) in a lamination process.

IPC 8 full level

B32B 17/10 (2006.01); G02B 27/01 (2006.01); G03C 1/005 (2006.01); G03C 1/66 (2006.01); G03C 1/74 (2006.01)

CPC (source: CN EP)

B32B 17/10036 (2013.01 - EP); B32B 17/10119 (2013.01 - EP); B32B 17/10174 (2013.01 - EP); B32B 17/10348 (2013.01 - EP); B32B 17/10431 (2013.01 - CN EP); B32B 17/10761 (2013.01 - EP); B60J 1/02 (2013.01 - CN); G02B 27/0103 (2013.01 - CN EP); G03C 1/005 (2013.01 - EP); G03C 1/66 (2013.01 - EP); G03C 1/74 (2013.01 - EP); G03H 1/0256 (2013.01 - EP); G03H 1/0272 (2013.01 - EP); B32B 2605/08 (2013.01 - EP); G02B 2027/0109 (2013.01 - EP); G03H 2001/043 (2013.01 - EP); G03H 2001/0439 (2013.01 - EP); G03H 2250/35 (2013.01 - EP); G03H 2250/37 (2013.01 - EP); G03H 2260/10 (2013.01 - EP); G03H 2260/16 (2013.01 - EP); G03H 2270/21 (2013.01 - EP)

Citation (search report)

See references of WO 2022053404A1

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 2022053404 A1 20220317; CN 114531858 A 20220524; EP 4210942 A1 20230719

DOCDB simple family (application)

EP 2021074376 W 20210903; CN 202180003651 A 20210903; EP 21770258 A 20210903