EP 0885176 A1 19981223 - METHOD OF INCREASING THE INITIAL TRANSMITTANCE OF OPTICAL GLASS
Title (en)
METHOD OF INCREASING THE INITIAL TRANSMITTANCE OF OPTICAL GLASS
Title (de)
VERFAHREN ZUR VERBESSERUNG DER ANFANGSÜBERTRAGUNG VON OPTISCHEM GLAS
Title (fr)
PROCEDE D'AMELIORATION DU FACTEUR DE TRANSMISSION INITIAL DU VERRE OPTIQUE
Publication
Application
Priority
- US 9703100 W 19970228
- US 1288196 P 19960305
- US 1294196 P 19960306
Abstract (en)
[origin: WO9732821A1] The invention relates to optical glass having improved initial transmittance, formed by subjecting the glass to a hydrogen and/or deuterium treatment at a temperature, and for a duration of time sufficient to diffuse the hydrogen and/or deuterium into the glass.
IPC 1-7
IPC 8 full level
C03B 20/00 (2006.01); C03B 19/14 (2006.01); C03B 32/00 (2006.01); C03C 21/00 (2006.01)
CPC (source: EP)
C03B 19/1453 (2013.01); C03B 32/00 (2013.01); C03C 3/06 (2013.01); C03C 4/0071 (2013.01); C03C 4/0085 (2013.01); C03C 21/007 (2013.01); C03B 2201/075 (2013.01); C03B 2201/21 (2013.01); C03B 2201/22 (2013.01); C03B 2207/32 (2013.01); C03C 2201/21 (2013.01); C03C 2201/22 (2013.01); C03C 2203/54 (2013.01)
Designated contracting state (EPC)
DE FR GB NL
DOCDB simple family (publication)
WO 9732821 A1 19970912; EP 0885176 A1 19981223; EP 0885176 A4 19990317; JP 2000506117 A 20000523
DOCDB simple family (application)
US 9703100 W 19970228; EP 97907924 A 19970228; JP 53183497 A 19970228