LATENT IMAGE SECURITY FEATURE, METHOD OF PRODUCING IT AND SECURITY DOCUMENT - Patent 3880488

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EP 3 880 488 A1

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(43)	Date of publication:
	22.09.2021 Bulletin 2021/38

(21)	Application number: 19794715.3

(22)	Date of filing: 24.09.2019

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International Patent Classification (IPC):

B42D 25/324^(2014.01)

B42D 25/333^(2014.01)

(52)	Cooperative Patent Classification (CPC):
	B42D 25/333; B42D 25/324

(86)	International application number:
	PCT/PL2019/050053

(87)	International publication number:
	WO 2020/101514 (22.05.2020 Gazette 2020/21)

(84)	Designated Contracting States:
	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 States:
	BA ME
	Designated Validation States:
	KH MA MD TN

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Priority:

15.11.2018 PL 42775718

(71)	Applicant: Polska Wytwórnia Papierów Wartosciowych Spólka Akcyjna
	00-222 Warszawa (PL)

(72)	Inventors:
	DABROWSKI, Dariusz 01-405 Warszawa (PL) DYMALA, Piotr 01-045 Warszawa (PL)

(74)	Representative: AOMB Polska Sp. z.o.o.
	Ul. Emilii Plater 53 21st Floor 00-113 Warsaw 00-113 Warsaw (PL)

(54)	LATENT IMAGE SECURITY FEATURE, METHOD OF PRODUCING IT AND SECURITY DOCUMENT