COUNTERFEIT-PROTECTED SECURITY PAPER AND METHOD FOR MANUFACTURING COUNTERFEIT-PROTECTED SECURITY PAPER Russian patent published in 2005 - IPC

Abstract RU 2266355 C1

FIELD: special-purpose paper types.

SUBSTANCE: method involves treating a part of suspension ingredients, selected from cellulose fibers or powder-like filler, with a color-producing reagent.

EFFECT: enhanced protection effectiveness; reduced reagent consumption.

5 cl

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RU 2 266 355 C1

Authors

Goncharov M.I.

Frolov M.V.

Milovidov V.N.

Pisarev A.G.

Dates

2005-12-20—Published

2004-09-27—Filed