Security paper for laser engraving, security document and method for making security documents
A security paper for laser engraving comprises a paper substrate layer (110) comprising an antimony-doped tin oxide laser-marking pigment and titanium white, the paper substrate layer (110) being coated with a coating layer (120) comprising the antimony-doped tin oxide laser-marking pigment, such th...
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| creator | JAKIELASZEK, EWELINA GURTOWSKA, JOANNA ZIOLKOWSKI, SLAWOMIR MIERZEJEWSKI, DANIEL SADECKA, MARZENA |
| description | A security paper for laser engraving comprises a paper substrate layer (110) comprising an antimony-doped tin oxide laser-marking pigment and titanium white, the paper substrate layer (110) being coated with a coating layer (120) comprising the antimony-doped tin oxide laser-marking pigment, such that when the security paper (100) is subject to a laser beam, the antimony-doped tin oxide laser-marking pigment causes change of color of the security paper (100) both within the paper substrate layer (110) and the coating layer (120). |
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| language | eng ; fre ; ger |
| recordid | cdi_epo_espacenet_EP2284019A1 |
| source | esp@cenet |
| subjects | COLOUR PRINTING IMPREGNATING OR COATING OF PAPER LINING MACHINES PAPER NOT OTHERWISE PROVIDED FOR PAPER-MAKING PERFORMING OPERATIONS PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D PRINTING PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES PRODUCTION OF CELLULOSE PULP COMPOSITIONS STAMPS TEXTILES TRANSPORTING TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G TYPEWRITERS |
| title | Security paper for laser engraving, security document and method for making security documents |
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