US 4764487
HIGH IRON GLASS COMPOSITION
Assignee
GLASS INCORPORATED INTERNATIONAL, A CA CORP.
Filed
Aug 5, 1985
Granted
Aug 16, 1988
Location
COVINA CA US
Abstract
An improved glass composition, especially suitable for glass fiber manufacture having good fiberizing characteristics and good physical properties, and containing typically 40.0% to 65.0% silica, 4.0% to 11.0% aluminum oxide, 6.0% to 20.0% sodium oxide, 5.0% to 8.0% magnesium oxide and 6.0% to 17.0% calcium oxide, 4.0% to 12.0% ferric and ferrous oxide, and 0.0% to 7.0% potassium oxide.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Mar 17, 1986
Rescinded
Oct 26, 1987
Duration
1 year, 7 months
Inventor
- 1ALBERT LEWIS
Record Details
- Patent number
- US 4764487
- Application
- 06762411
- Aerospace match
- No
- Dataset source
- 35 USC §181 SO records
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GLASS INCORPORATED INTERNATIONAL, A CA CORP.Back to patent indexSource: USPTO 35 USC §181 secrecy order records