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You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 159 515 718 patent documents

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154 531 new documents added

1 078 520 documents amended

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EP 0721850 A3 19970205 - Security document

Title (en)

Security document

Title (de)

Sicherheitsdokument

Title (fr)

Document de sécurité

Publication

EP 0721850 A3 19970205 (EN)

Application

EP 96300145 A 19960109

Priority

GB 9500547 A 19950112
GB 9505211 A 19950315

Abstract (en)

[origin: EP0721850A2] A security document comprising a laminate or construction (1) of at least two layers between which is provided information (3) readable under non-visible irradiation. At least the portions of the layers on either side of the information (3) are partially opaque to visible radiation. The security document may comprise an entrance ticket, transaction card, identity card, bank cheque or the like. The document is tamper evident. <IMAGE>

IPC 1-7

B42D 15/00

IPC 8 full level

B42D 15/00 (2006.01); B42D 15/10 (2006.01)

CPC (source: EP US)

B42D 25/00 (2014.10 - EP); B42D 25/29 (2014.10 - EP US); B42D 2035/34 (2022.01 - EP)

Citation (search report)

[X] EP 0552047 A1 19930721 - HITACHI MAXELL [JP]

Designated contracting state (EPC)

AT BE CH DE DK FR GB IT LI

DOCDB simple family (publication)

EP 0721850 A2 19960717; EP 0721850 A3 19970205

DOCDB simple family (application)

EP 96300145 A 19960109