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2 172 680

(13)

C2

(51)

IPC

(21) (22)

Application

96111024/12, 1996-06-06

(24)

Start date

1996-06-06

(22)

Actual filing date

1996-06-06

(45)

Published

2001-08-27

(72)

Inventor

Kaule Vittikh

(73)

Holder

Gizeke Und Devrint Gmbkh

PROTECTED DOCUMENT AND METHOD FOR ITS MANUFACTURE Russian patent published in 2001 - IPC

Abstract RU 2172680 C2

FIELD: securities. SUBSTANCE: applicable for protection of a new magnetic protective element, for example in a bank note, identification card against simulation. The protective element is provided at least partially with magnetic material for automatic check-up of document authenticity and contains foil with a magnetic coating applied onto which is magnetic material of a coercive force within 10 to 250 Oc and residual magnetic induction exceeding 100 nWb/sq.m. It is very difficult to forge the magnetic properties of the given material, due to which it possesses an enhanced protection against forgery. EFFECT: enhanced protection. 25 cl, 5 dwg

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RU 2 172 680 C2

Authors

Kaule Vittikh

Dates

2001-08-27—Published

1996-06-06—Filed

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