(19)
(11) EP 1 456 607 A1

(12)

(43) Date of publication:
15.09.2004 Bulletin 2004/38

(21) Application number: 02770643.1

(22) Date of filing: 22.10.2002
(51) International Patent Classification (IPC)7G01D 9/00, G01K 3/04
(86) International application number:
PCT/US2002/033741
(87) International publication number:
WO 2003/052354 (26.06.2003 Gazette 2003/26)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 14.12.2001 EP 01129831

(71) Applicant: 3M Innovative Properties Company
St. Paul, MN 55133-3427 (US)

(72) Inventors:
  • KUEPPER, Anton
    41564 Kaarst (DE)
  • ROMANN, Karl-Heinz
    41352 Korschenbroich (DE)

(74) Representative: Wilhelm, Stefan M. 
Office of Intellectual Property Counsel,c/o 3M Deutschland GmbH,Carl-Schurz-Strasse 1
41453 Neuss
41453 Neuss (DE)

   


(54) ENVIRONMENTAL PARAMETER INDICATOR FOR PERISHABLE GOODS