(19)
(11) EP 1 250 295 A1

(12)

(43) Date of publication:
23.10.2002 Bulletin 2002/43

(21) Application number: 01903279.6

(22) Date of filing: 23.01.2001
(51) International Patent Classification (IPC)7: C03C 1/00, C03C 3/06, C03B 19/12
(86) International application number:
PCT/US0102/325
(87) International publication number:
WO 0105/3225 (26.07.2001 Gazette 2001/30)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

(30) Priority: 24.01.2000 US 178838 P
01.03.2000 US 516688

(71) Applicant: YAZAKI CORPORATION
Minato-ku,Tokyo (JP)

(72) Inventors:
  • GANGULI, Rahul
    Camarillo, CA 93010 (US)
  • WESTENBERG, Enrico, C., J.
    Camarillo, CA 93012 (US)

(74) Representative: Howden, Christopher Andrew 
FORRESTER & BOEHMERTPettenkoferstrasse 20-22
80336 München
80336 München (DE)

   


(54) SOL-GEL PROCESS FOR PRODUCING SYNTHETIC SILICA GLASS