(19)

(11)

EP 1 977 019 A2

(12)

(88) Date of publication A3: 29.11.2007 (43) Date of publication: 08.10.2008 Bulletin 2008/41 (21) Application number: 07716443.2 (22) Date of filing: 09.01.2007

(51) International Patent Classification (IPC):  C21D 1/62(2006.01) (86) International application number: PCT/US2007/000503 (87) International publication number: WO 2007/081937 (19.07.2007 Gazette 2007/29)

(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 LV MC NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 09.01.2006 US 757434 P (71) Applicant: Excell Technologies, LLC Wilmington, DE 19801 (US)	(72) Inventor: BERGERON, Marion Butler, PA 16002 (US) (74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät  Leopoldstrasse 4 80802 München 80802 München (DE)