US2676112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphor product containing indium and method of producing same
Assignee: Teck Metals Ltd
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Filing: 1951-08-18
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Granted: 1954-04-20
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Expires: 1971-08-18
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Middleton
- 👤 Donald C Reynolds
- 👤 Charles S Peet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:32
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/0805; C09K11/62; C09K11/621; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24909; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A PHOSPHOR COMPOSITION CONSISTING ESSENTIALLY OF A PREDOMINANT AMOUNT OF CRYSTALLIZED INDIUM SULFIDE IN SPINEL FORM AND A MINOR AMOUNT, FROM ABOUT 0.01% TO ABOUT 10%, OF A METAL BASE CRYSTALLIZING AGENT SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM CHLORIDE, MAGNESIUM CHLORIDE AND SODIUM CHLORIDE, MAGNESIUM CHLORIDE AND SODIUM BROMIDE, MAGNESIUM FLUORIDE AND SODIUM CHLORIDE, MAGNESIUM FLUORIDE AND SODIUM BROMIDE, MAGNESIUM CHLORIDE AND POTASSIUM BROMIDE, MAGNESIUM CHLORIDE AND POTASSIUM CHLORIDE, MAGNESIUM FLUORIDE AND POTASSIUM BROMIDE, AND MAGNESIUM FLUORIDE AND POTASSIUM CHLORIDE, SUFFICIENT TO FORM A CRYSTAL LATTICE IN SAID SULFIDE FOR THE ABSORPTION OF AN ACTIVATOR SELECTED FROM THE GROUP CONSISTING OF CADMIUM, COOPER, GOLD, LEAD LITHIUM, MANGANESE, SILVER, TIN, ZINC, AND THE RARE EARTH METALS, AND THEIR HALIDE, NITRATE, NITRIDE, OXIDE, SULFATE, AND SULFIDE SALTS, AND OF A METAL BASE ACTIVATOR, FROM ABOUT 0.001% TO ABOUT 0.1%, SUFFICIENT TO PROVIDE PRIMARY FLUORESCENT CENTERS IN SAID CRYSTAL, SAID ACTIVATOR HAVING BEEN ABSORBED IN SAID CRYSTAL LATTICE.
Claim 2
Dependent Claim
156 words
A PHOSPHOR COMPOSITION CONSISTING ESSENTIALLY OF A PREDOMINANT AMOUNT OF CRYSTALLIZED INDIUM SULFIDE IN SPINEL FORM AND A MINOR AMOUNT, FROM ABOUT 0.01% TO ABOUT 10%, OF A METAL BASE CRYSTALLIZING AGENT SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM CHLORIDE, MAGNESIUM CHLORIDE AND SODIUM CHLORIDE, MAGNESIUM CHLORIDE AND SODIUM BROMIDE, MAGNESIUM FLUORIDE AND SODIUM CHLORIDE, MAGNESIUM FLUORIDE AND SODIUM BROMIDE, MAGNESIUM CHLORIDE AND POTASSIUM BROMIDE, MAGNESIUM CHLORIDE AND POTASSIUM CHLORIDE, MAGNESIUM FLUORIDE AND POTASSIUM BROMIDE, AND MAGNESIUM FLUORIDE AND POTASSIUM CHLORIDE, SUFFICIENT TO FORM A CRYSTAL LATTICE IN SAID SULFIDE FOR THE ABSORPTION OF AN ACTIVATOR SELECTED FROM THE GROUP CONSISTING OF CADMIUM, COOPER, GOLD, LEAD LITHIUM, MANGANESE, SILVER, TIN, ZINC, AND THE RARE EARTH METALS, AND THEIR HALIDE, NITRATE, NITRIDE, OXIDE, SULFATE, AND SULFIDE SALTS, AND OF A METAL BASE ACTIVATOR, FROM ABOUT 0.001% TO ABOUT 0.1%, SUFFICIENT TO PROVIDE PRIMARY FLUORESCENT CENTERS IN SAID CRYSTAL, SAID ACTIVATOR HAVING BEEN ABSORBED IN SAID CRYSTAL LATTICE.
References Cited (Backward Citations)
US2344081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |