(19)
(11) EP 2 454 728 A1

(12)

(43) Date of publication:
23.05.2012 Bulletin 2012/21

(21) Application number: 09784689.3

(22) Date of filing: 14.07.2009
(51) International Patent Classification (IPC): 
G09F 3/02(2006.01)
B42D 15/02(2006.01)
B42D 15/00(2006.01)
(86) International application number:
PCT/GB2009/001730
(87) International publication number:
WO 2011/007111 (20.01.2011 Gazette 2011/03)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

(71) Applicant: Mastermailer Holdings PLC
Bloxham Oxfordshire OX15 4FF (GB)

(72) Inventor:
  • BLACK, Stephen, Paul
    Oxfordshire OX154FF (GB)

(74) Representative: Wightman, David Alexander 
Barker Brettell LLP 100 Hagley Road
Edgbaston Birmingham B16 8QQ
Edgbaston Birmingham B16 8QQ (GB)

   


(54) DOCUMENT SECURITY