FIELD: special-purpose paper types.
SUBSTANCE: method involves applying chemical substances introduced in the amount of 0.1-1% of paper sheet weight.
EFFECT: enhanced effectiveness and high quality of protection.
4 cl, 2 dwg
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METHOD FOR PRODUCTION OF SECURITIES PROTECTED AGAINST FORGERY | 2002 |
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RU2203354C1 |
COUNTERFEIT-PROTECTED SECURITY PAPER AND METHOD FOR MANUFACTURING COUNTERFEIT-PROTECTED SECURITY PAPER | 2004 |
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SECURITY PAPER PROTECTED FROM FALSIFICATION AND METHOD FOR MANUFACTURING THE PAPER | 2003 |
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PAPER PROTECTED AGAINST FORGERY | 2003 |
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RU2222655C1 |
METHOD FOR MANUFACTURING PROTECTIVE MARKS AND PROTECTIVE MARKS | 2000 |
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PAPER PROTECTED FROM FORGERY AND NONAUTHORIZED PRODUCTION | 1996 |
|
RU2108421C1 |
0 |
|
SU1565852A1 | |
ELECTRODE FOR ELECTROCHEMICAL ELEMENT WITH HIGH PRESSURE DIFFERENCE, METHOD OF MAKING SAID ELECTRODE AND ELECTROCHEMICAL ELEMENT FOR USING SAID ELECTRODE | 2006 |
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PROTECTIVE ELEMENT | 2002 |
|
RU2324600C2 |
Authors
Dates
2005-12-20—Published
2004-12-03—Filed