(19)

(11)

EP 1 119 647 A2

(12)

(88) Date of publication A3: 26.08.1999 (43) Date of publication: 01.08.2001 Bulletin 2001/31 (21) Application number: 98964082.6 (22) Date of filing: 18.12.1998

(51) International Patent Classification (IPC)7: C22C 32/00, C23C 30/00 (86) International application number: PCT/US9826/947 (87) International publication number: WO 9932/677 (01.07.1999 Gazette 1999/26)

(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: 19.12.1997 US 68319 P (71) Applicant: LANXIDE TECHNOLOGY COMPANY, LP Newark,DE 19714-6077 (US)	(72) Inventors: HOLLINS, Michael, J. Newark, DE 19711 (US) IRICK, Virgil, Jr. New Castle, DE 19720 (US) AGHAJANIAN, Michael, K. Newark, DE 19711 (US) (74) Representative: Andrae, Steffen, Dr. et al Andrae Flach HaugBalanstrasse 55 81541 München 81541 München (DE)