PACKAGING MATERIAL WITH INVISIBLE INFORMATION - Patent 0929474

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EP 0 929 474 A1

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(43)	Date of publication:
	21.07.1999 Bulletin 1999/29

(21)	Application number: 96945235.0

(22)	Date of filing: 27.12.1996

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International Patent Classification (IPC):

B65B 9/ 20^{( . )}
B65D 25/ 20^{( . )}
B65D 75/ 44^{( . )}

B65B 51/ 10^{( . )}
B65D 65/ 40^{( . )}

(86)	International application number:
	PCT/US1996/020339

(87)	International publication number:
	WO 1997/024278 (10.07.1997 Gazette 1997/30)

(84)	Designated Contracting States:
	DE FR GB IT

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Priority:

29.12.1995 JP 19950354408

(71)	Applicant: Tetra Laval Holdings & Finance SA
	1009 Pully (CH)

(72)	Inventors:
	PAPINA, Jan PL-02-735 Warszawa (PL) KANEKO, Masamichi Tokyo 151 (JP)

(74)	Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
	Maximilianstrasse 58 80538 München 80538 München (DE)

(54)	PACKAGING MATERIAL WITH INVISIBLE INFORMATION