EP 1242324 A1 20020925 - PURE FUSED SILICA, FURNACE AND METHOD
Title (en)
PURE FUSED SILICA, FURNACE AND METHOD
Title (de)
REINES, GESCHMOLZENES SILIZIUMDIOXID UND VERFAHREN
Title (fr)
SILICE PURE FONDUE, FOUR ET PROCEDE CORRESPONDANTS
Publication
Application
Priority
- US 0024776 W 20000908
- US 15342299 P 19990910
Abstract (en)
[origin: WO0117919A1] An article of relatively pure silica, and a furnace (50) and method of producing the article. The article is produced by collecting molten silica particles (30) in a refractory furnace (50) in which at least a portion of the refractory (32) has been exposed to a halogen-containing gas to react with contaminating metal ions in the refractory (32).
IPC 1-7
IPC 8 full level
C01B 33/12 (2006.01); C03B 5/43 (2006.01); C03B 8/04 (2006.01); C03B 19/14 (2006.01); C03B 20/00 (2006.01); C04B 35/10 (2006.01); F27B 17/00 (2006.01); F27D 1/00 (2006.01); F27D 1/02 (2006.01); F27D 3/00 (2006.01); F27B 9/26 (2006.01)
CPC (source: EP KR)
C03B 19/1407 (2013.01 - EP); C03B 20/00 (2013.01 - KR); C04B 35/10 (2013.01 - EP); F27B 17/00 (2013.01 - EP); F27D 1/0006 (2013.01 - EP); F27D 3/0033 (2013.01 - EP); C03B 2201/02 (2013.01 - EP); C03B 2201/03 (2013.01 - EP); C03B 2201/07 (2013.01 - EP); C03B 2201/42 (2013.01 - EP); C03B 2207/32 (2013.01 - EP); C03B 2207/50 (2013.01 - EP); F27B 9/26 (2013.01 - EP); F27D 1/0043 (2013.01 - EP)
Citation (search report)
See references of WO 0117919A1
Designated contracting state (EPC)
AT BE CH CY DE FR GB LI NL
DOCDB simple family (publication)
WO 0117919 A1 20010315; AU 7364000 A 20010410; CN 1387499 A 20021225; EP 1242324 A1 20020925; JP 2003508337 A 20030304; KR 20020029790 A 20020419
DOCDB simple family (application)
US 0024776 W 20000908; AU 7364000 A 20000908; CN 00815425 A 20000908; EP 00961725 A 20000908; JP 2001521668 A 20000908; KR 20027003234 A 20020311