(19)
(11) EP 1 144 565 A2

(12)

(43) Date of publication:
17.10.2001 Bulletin 2001/42

(21) Application number: 00939296.0

(22) Date of filing: 11.05.2000
(51) International Patent Classification (IPC)7C11D 1/00
(86) International application number:
PCT/US0013/079
(87) International publication number:
WO 0077/135 (21.12.2000 Gazette 2000/51)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 11.06.1999 US 330726

(71) Applicant: Raytheon Company
El Segundo,California 90245 (US)

(72) Inventors:
  • CHAO, Sidney, C.
    Manhattan Beach, CA 90266 (US)
  • PURER, Edna, M.
    Los Angeles, CA 90046 (US)
  • SORBO, Nelson, W.
    Redondo Beach, CA 90277 (US)

(74) Representative: Jackson, Richard Eric et al
Carpmaels & Ransford,43 Bloomsbury Square
London WC1A 2RA
London WC1A 2RA (GB)

 
Remarks:
WIPO A3 publication data is not currently available.
 


(54) LIQUID CARBON DIOXIDE CLEANING UTILIZING NATURAL SOLVENTS