(19)
(11) EP 2 374 091 A2

(12)

(88) Date of publication A3:
04.02.2010

(43) Date of publication:
12.10.2011 Bulletin 2011/41

(21) Application number: 09762149.4

(22) Date of filing: 10.06.2009
(51) International Patent Classification (IPC): 
G06K 9/18(2006.01)
(86) International application number:
PCT/IB2009/052476
(87) International publication number:
WO 2009/150622 (17.12.2009 Gazette 2009/51)
(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 TR

(30) Priority: 12.06.2008 BG 11016208

(71) Applicants:
  • Keit Ltd.
    1712 Sofia (BG)
  • Zhelev, Zhivko Georgiev
    1715 Sofia (BG)
  • Zhelev, Georgi Zhivkov
    1715 Sofia (BG)
  • Zhelev, Arkadiush
    1799 Sofia (BG)
  • Zhelev, Edvin
    6000 Stara Zagora (BG)
  • Grancharov, Vitan Kanev
    1712 Sofia (BG)

(72) Inventors:
  • ZHELEV, Zhivko Georgiev
    1715 Sofia (BG)
  • ZHELEV, Georgi Zhivkov
    1715 Sofia (BG)
  • ZHELEV, Arkadiush
    1799 Sofia (BG)
  • ZHELEV, Edvin
    6000 Stara Zagora (BG)
  • GRANCHAROV, Vitan Kanev
    1712 Sofia (BG)

(74) Representative: Varbanov, Julian Ivanov 
J. Varbanov & Partners, 3, Positano Street, 2nd Floor
1000 Sofia
1000 Sofia (BG)

   


(54) ENCRYPTED MARKING AND METHOD FOR SECURING AND CERTIFYING THE AUTHENTICITY OF A PRODUCT