Formation of security paper e.g. banknote with colored marking involves providing photosensitive preparation comprising substance which produces colloidal metal particles under UV irradiation effect on a portion of the document


Year:
2003
Publisher:
KBA GIORI SA (SKBA) HOFFMAN P (HOFF-Individual) BRET T (BRET-Individual) MOREAU V (MORE-Individual)
Keywords:
Other identifiers:
EPO Family ID: 33547829
Laboratories:




 Record created 2009-07-20, last modified 2018-09-13


Rate this document:

Rate this document:
1
2
3
 
(Not yet reviewed)