(19)
(11) EP 1 113 986 A2

(12)

(88) Date of publication A3:
31.08.2000

(43) Date of publication:
11.07.2001 Bulletin 2001/28

(21) Application number: 99954615.3

(22) Date of filing: 17.09.1999
(51) International Patent Classification (IPC)7C01B 33/00
(86) International application number:
PCT/US9921/373
(87) International publication number:
WO 0017/103 (30.03.2000 Gazette 2000/13)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 18.09.1998 US 101046 P
24.09.1998 US 160458

(71) Applicant: MASSACHUSETTS INSTITUTE OF TECHNOLOGY
Cambridge, MA 02142-1324 (US)

(72) Inventors:
  • BAWENDI, Moungi, G.
    285 Beacon StreetBoston, MA 02116 (US)
  • JENSEN, Klavs, F.
    Lincoln, MA 01773 (US)

(74) Representative: Mallalieu, Catherine Louise et al
D. Young & Co.,21 New Fetter Lane
London EC4A 1DA
London EC4A 1DA (GB)

   


(54) INVENTORY CONTROL