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(11)

EP 1 434 737 A1

(12)

(43) Date of publication: 07.07.2004 Bulletin 2004/28 (21) Application number: 01927447.1 (22) Date of filing: 12.04.2001

(51) International Patent Classification (IPC)7: C02F 1/32, C02F 1/78, B01J 19/08 (86) International application number: PCT/US2001/040515 (87) International publication number: WO 2002/083570 (24.10.2002 Gazette 2002/43)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (71) Applicants: Carmignani, Gary M. Santa Rosa, CA 95409 (US) Frederick, Lee W. Santa Rosa, CA 95409 (US)	(72) Inventors: Carmignani, Gary M. Santa Rosa, CA 95409 (US) Frederick, Lee W. Santa Rosa, CA 95409 (US) (74) Representative: Hayes, Adrian Chetwynd et al Boult Wade Tennant,Verulam Gardens70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)