US2005037912A1PendingUtilityA1

Soda-lime silica glass compositions and applications

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Assignee: SAINT GOBAINPriority: Mar 13, 1997Filed: Sep 21, 2004Published: Feb 17, 2005
Est. expiryMar 13, 2017(expired)· nominal 20-yr term from priority
Inventors:Nathalie El KhiatiRene GyEric Le Bourhis
C03C 4/00C03B 27/00C03C 3/083C03C 23/007C03C 3/087
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Claims

Abstract

The subject of the invention is a glass composition of the silica-soda-lime type, intended for the manufacture of substrates or sheets, the said glass composition having a φ coefficient of between 0.50 and 0.85 N/(mm 2 .° C.) and a working point of less than 1200° C.

Claims

exact text as granted — not AI-modified
1 - 18 . (Canceled).  
     
     
         19 . A silica-soda-lime glass composition having a φ coefficient of between 0.5 and 0.85 N/(mm 2 .° C.) and a working point of less than 1200° C.

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