Processes for producing optical effect layers comprising oriented non-spherical magnetic or magnetizable pigment particles
Номер патента: ZA202102347B
Опубликовано: 28-08-2024
Автор(ы): Claude-Alain Despland, Evgeny LOGINOV, Gisele Baudin, Nathalie Benninger
Принадлежит: SICPA HOLDING SA
Опубликовано: 28-08-2024
Автор(ы): Claude-Alain Despland, Evgeny LOGINOV, Gisele Baudin, Nathalie Benninger
Принадлежит: SICPA HOLDING SA
Реферат: The present invention relates to the field of magnetic assemblies and processes for producing optical effect layers (OEL) comprising magnetically oriented non-spherical magnetic or magnetizable pigment particles on a substrate. In particular, the present invention relates magnetic assemblies and processes for producing said OELs as anti-counterfeit means on security documents or security articles or for decorative purposes.
Processes for producing optical effect layers comprising oriented non-spherical magnetic or magnetizable pigment particles
Номер патента: US12115805B2. Автор: Claude-Alain Despland,Nathalie Benninger,Evgeny LOGINOV,Gisele Baudin. Владелец: SICPA HOLDING SA. Дата публикации: 2024-10-15.