EP 0690939 B1 19991208 - SECURITY PAPER HAVING A TRANSPARENT ZONE OF SUBSTANTIALLY ZERO OPACITY
Title (en)
SECURITY PAPER HAVING A TRANSPARENT ZONE OF SUBSTANTIALLY ZERO OPACITY
Title (de)
SICHERHEITSPAPIER MIT EINER TRANSPARENTEN ZONE DEREN OPAZITÄT FAST NULL IST
Title (fr)
PAPIER DE SECURITE COMPORTANT UNE ZONE TRANSPARENTE D'OPACITE SENSIBLEMENT NULLE
Publication
Application
Priority
- FR 9401030 W 19940901
- FR 9311486 A 19930928
Abstract (en)
[origin: WO9509274A1] A sheet of security paper (1) comprising transparent or translucid zones of substantially zero opacity consists of at least one layer of paper having at least one zone (3, 3a &cir& -, 3b &cir& -) of zero thickness and at least one strip (4) of transparent or translucid material enveloped in the layer of paper so that the strip of transparent material lies opposite the zone of zero thickness. Application to papers for banknotes and cheques.
IPC 1-7
IPC 8 full level
B42D 15/00 (2006.01); D21F 1/44 (2006.01); D21H 21/42 (2006.01)
CPC (source: EP)
B42D 25/29 (2014.10); D21F 1/44 (2013.01); D21H 21/42 (2013.01)
Designated contracting state (EPC)
CH DE ES FR GB IT LI NL
DOCDB simple family (publication)
WO 9509274 A1 19950406; DE 69422029 D1 20000113; DE 69422029 T2 20000810; EP 0690939 A1 19960110; EP 0690939 B1 19991208; ES 2141837 T3 20000401
DOCDB simple family (application)
FR 9401030 W 19940901; DE 69422029 T 19940901; EP 94926263 A 19940901; ES 94926263 T 19940901