Processes for producing optical effects layers

TW202641639APending Publication Date: 2026-10-16SICPA HOLDING SA
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
TW115102786
Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Priority Date
2025-01-29
Filing Date
2026-01-23
Publication Date
2026-10-16

Smart Images

  • Figure TWG2TA001081019_001
    Figure TWG2TA001081019_001
  • Figure TWG2TA001081019_002
    Figure TWG2TA001081019_002
  • Figure TWG2TA001081019_003
    Figure TWG2TA001081019_003
Patent Text Reader

Abstract

The invention relates to the field of the protection of security documents such as for example banknotes and identity documents against counterfeit and illegal reproduction. In particular, the present invention provides magnetic assemblies and methods for producing optical effect layers (OELs) comprising magnetically oriented pigment particles, said optical effect layers (OELs) exhibiting a moving bar effect, and a motif whose contour is an alphanumeric character or a closed shape observable at at least two viewing angles being
Need to check novelty before this filing date? Find Prior Art