(19)
(11) EP 0 836 705 A1

(12)

(43) Date of publication:
22.04.1998 Bulletin 1998/17

(21) Application number: 96922283.0

(22) Date of filing: 05.07.1996
(51) International Patent Classification (IPC): 
G01J 3/ 30( . )
G01N 21/ 35( . )
(86) International application number:
PCT/NL1996/000280
(87) International publication number:
WO 1997/002481 (23.01.1997 Gazette 1997/05)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB IE IT LI LU NL PT SE

(30) Priority: 06.07.1995 NL 19951000738

(71) Applicants:
  • DSM N.V.
    6411 TE Heerlen (NL)
  • INSTITUT FUR CHEMO- UND BIOSENSORIK
    48149 Münster (DE)

(72) Inventors:
  • KIP, Berend, Jan
    NL-6141 LH Sittard (NL)
  • PETERS, Edo, Augustinus, Titus
    NL-6211 BX Maastricht (NL)
  • HAPPEL, Jens
    D-48149 Münster (DE)
  • HUTH-FEHRE, Thomas
    D-48165 Münster (DE)
  • KOWOL, Frank
    D-48151 Münster (DE)

(74) Representative: Geerts, Johanna Adriana Maria, et al 
DSM NV. Octrooibureau DSM P.O. Box 9
6160 MA Geleen
6160 MA Geleen (NL)

   


(54) IDENTIFYING RECYCABLE CARPET MATERIALS USING A HAND-HELD INFRARED SPECTROMETER