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(11)

EP 1 848 796 A1

(12)

(43) Date of publication: 31.10.2007 Bulletin 2007/44 (21) Application number: 05722704.3 (22) Date of filing: 28.01.2005

(51) International Patent Classification (IPC):  C12N 1/20(2006.01) B09C 1/10(2006.01) C12R 1/01(2006.01) C12S 1/00(2006.01) C02F 3/34(2006.01) A62D 3/00(2007.01) (86) International application number: PCT/US2005/003405 (87) International publication number: WO 2006/085848 (17.08.2006 Gazette 2006/33)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR (71) Applicant: Westinghouse Savannah River Company, LLC Aiken, SC 29808 (US)	(72) Inventors: BRIGMON, Robin, L. North Augusta, SC 29841 (US) STORY, Sandra Travelers Rest, SC 29690 (US) ALTMAN, Denis Evans, GA 30809 (US) BERRY, Christopher, J. Aiken, SC 29803-5743 (US) (74) Representative: Robertson, James Alexander  Marks & Clerk 90 Long Acre London WC2E 9RA London WC2E 9RA (GB)