Alkali-free glass and method of producing the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 22, 2002
Grant Date -
N/A
app pub date -
Sep 21, 1999
filing date -
Sep 22, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Loading Importance Indicators... 
Abstract
An alkali-free glass essentially consists of, by weight percent, 40-70% SiO.sub.2, 6-25% Al.sub.2 O.sub.3, 5-20% B.sub.2 O.sub.3, 0-10% MgO, 0-15% CaO, 0-30% BaO, 0-10% SrO, 0-10% ZnO, 0.05-2% SnO.sub.2, and 0.005-1% Cl.sub.2, and substantially contains no alkali metal oxide.
Loading the Abstract Image...
OK
First Claim
Family
Loading Family data...
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully