US3177082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arsenic sulfide glasses
Assignee: Corning Glass Works
•
Filing: 1960-04-22
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Granted: 1965-04-06
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Expires: 1980-04-22
Abstract
No abstract record available.
Inventors
- 👤 Thomas C Macavoy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:02
CPC Classifications
C; C03; C03C; C03C3/00; C03C3/32; C03C3/321; C03C3/323; H; H01; H01B; H01B3/00; H01B3/02; H01B3/08; H01B3/087; Y; Y10; Y10S; Y10S501/00; Y10S501/90; Y10S501/904; Y10S65/00; Y10S65/15
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
82 words
A METHOD OF LOWERING THE SOFTENING POINT AND STEEPENING THE VISCOSITY CURVE OF AN ARSENIC SULFIDE GLASS WITH A MINIMUM OF VOLATILIZATION LOSS DURING MELTING WHICH COMPRISES INCORPORATING A HALIDE OF A POLYVALENT METAL HAVING AN ATOMIC WEIGHT GREATER THAN 100 INTO THE BATCH FROM WHICH THE GLASS IS MELTED, THE METAL HALIDE BEING INCORPORATED IN PROPORTIONS CAPABLE OF REACTING WITH THE REMAINING BATCH CONSTITUENTS TO FORM A GLASS, AND THEREAFTER MELTING THE BATCH TO FORM A GLASS CONTAINING THE METAL HALIDE.
Claim 2
Independent Claim
82 words
A METHOD OF LOWERING THE SOFTENING POINT AND STEEPENING THE VISCOSITY CURVE OF AN ARSENIC SULFIDE GLASS WITH A MINIMUM OF VOLATILIZATION LOSS DURING MELTING WHICH COMPRISES INCORPORATING A HALIDE OF A POLYVALENT METAL HAVING AN ATOMIC WEIGHT GREATER THAN 100 INTO THE BATCH FROM WHICH THE GLASS IS MELTED, THE METAL HALIDE BEING INCORPORATED IN PROPORTIONS CAPABLE OF REACTING WITH THE REMAINING BATCH CONSTITUENTS TO FORM A GLASS, AND THEREAFTER MELTING THE BATCH TO FORM A GLASS CONTAINING THE METAL HALIDE.
Claim 3
Dependent Claim
48 words
AN ARSENIC SULFIDE TYPE GLASS COMPOSED ESSENTIALLY OF ARSENIC, SULFUR, AND STANNIC IODIDE, EACH OF THESE ESSENTIAL CONSTITUENTS BEING PRESENT IN AN APPRECIABLE AMOUNT ENCOMPASSED WITHIN THE U-SHAPED AREA ON THE TERNARY COMPOSITION DIAGRAM OF THESE COMPONENTS DEFINED BY CURVED LINE B IN FIGURE 2 OF THE DRAWING.
Claim 4
Dependent Claim
48 words
AN ARSENIC SULFIDE TYPE GLASS COMPOSED ESSENTIALLY OF ARSENIC, SULFUR, AND STANNIC IODIDE, EACH OF THESE ESSENTIAL CONSTITUENTS BEING PRESENT IN AN APPRECIABLE AMOUNT ENCOMPASSED WITHIN THE U-SHAPED AREA ON THE TERNARY COMPOSITION DIAGRAM OF THESE COMPONENTS DEFINED BY CURVED LINE B IN FIGURE 2 OF THE DRAWING.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |