(19)
(11) EP 1 121 333 A1

(12)

(43) Date of publication:
08.08.2001 Bulletin 2001/32

(21) Application number: 99935651.2

(22) Date of filing: 16.07.1999
(51) International Patent Classification (IPC)7C03B 37/027, C03B 37/018
(86) International application number:
PCT/US9916/176
(87) International publication number:
WO 0007/950 (17.02.2000 Gazette 2000/07)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 07.08.1998 US 95735 P

(71) Applicant: CORNING INCORPORATED
Corning, N.Y. 14831 (US)

(72) Inventors:
  • HAWTOF, Daniel, W.
    Painted Post, NY 14870 (US)
  • STONE, John, III
    Painted Post, NY 14870 (US)
  • WHALEN, Joseph, M.
    Corning, NY 14830 (US)

(74) Representative: Behnisch, Werner, Dr. et al
Reinhard-Skuhra-Weise & Partner,Patentanwälte,Postfach 44 01 51
80750 München
80750 München (DE)

   


(54) CREATING SILICA SOOT WITH A PLUG-FREE SYSTEM