FIELD: designs or pictures characterized by special or unusual light effects.
SUBSTANCE: safety paper has a layer characterized by variable optical properties, made semitransparent, with transparency from 20 to 80%, and provided with coloring agent composed of optically changeable pigments.
EFFECT: enhanced protection.
1 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PROTECTIVE MEMBER FOR COUNTERFEIT-PROTECTED SECURITIES | 2003 |
|
RU2240392C1 |
| DOCUMENT PROTECTED FROM COUNTERFEIT | 1998 |
|
RU2193975C2 |
| PROTECTIVE ELEMENT AND METHOD FOR MANUFACTURING SAID ELEMENT | 2003 |
|
RU2314930C2 |
| PROTECTIVE COMPONENT USED FOR THE FORGERY-PROOF PAPER AND THE IMPORTANT DOCUMENTS | 2002 |
|
RU2316428C2 |
| PROTECTIVE ELEMENT WITH READABLE INFORMATION OF TWO TYPES | 2003 |
|
RU2346825C2 |
| PROTECTIVE ELEMENT | 1997 |
|
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| SECURITY ELEMENT AND SECURITY DOCUMENT | 2016 |
|
RU2700012C1 |
| ANTI-DECEPTION PAPER | 2003 |
|
RU2338646C2 |
| PROTECTIVE ELEMENT WITH THIN-LAYER ELEMENT | 2004 |
|
RU2344048C2 |
| MULTILAYER PROTECTED COMPOSITION (VERSIONS) AND ARTICLE OF SUCH COMPOSITION | 2013 |
|
RU2527791C1 |
