US2676111A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphor composition containing indium and method of producing same
Assignee: Teck Metals Ltd
•
Filing: 1951-08-18
•
Granted: 1954-04-20
•
Expires: 1971-08-18
Abstract
No abstract record available.
Inventors
- 👤 Donald C Reynolds
- 👤 Arthur E Middleton
- 👤 Charles S Peet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:26
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/62; C09K11/626; C09K11/628; C09K11/621
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A PHOSPHOR COMPOSITION COMPRISING FROM 1.5 TO 10 PER CENT BY WEIGHT OF INDIUM SULFIDE AND THE BALANCE ESSENTIALLY A METALLIC HALIDE SELECTED FROM THE GROUP CONSISTING OF BARIUM BROMIDE, BARIUM CHLORIDE, BARIUM FLUORIDE, CADMIUM BROMIDE, CADMIUM CHLORIDE, CADMIUM FLUORIDE, POTASSIUM BROMIDE, POTASSIUM CHLORIDE, POTASSIUM FLUORIDE, SODIUM BROMIDE, SODIUM CHLORIDE, SODIUM FLUORIDE, STRONTIUM BROMIDE, STRONTIUM CHLORIDE, AND STRONTIUM FLUORIDE, SAID METALLIC HALIDE HAVING BEEN MELTED IN CONTACT WITH SAID INDIUM SULFIDE, AND SAID INDIUM SULFIDE HAVING ENTERED THE CRYSTAL LATTICE OF SAID METALLIC HALIDE.
Claim 2
Dependent Claim
84 words
A PHOSPHOR COMPOSITION COMPRISING FROM 1.5 TO 10 PER CENT BY WEIGHT OF INDIUM SULFIDE AND THE BALANCE ESSENTIALLY A METALLIC HALIDE SELECTED FROM THE GROUP CONSISTING OF BARIUM BROMIDE, BARIUM CHLORIDE, BARIUM FLUORIDE, CADMIUM BROMIDE, CADMIUM CHLORIDE, CADMIUM FLUORIDE, POTASSIUM BROMIDE, POTASSIUM CHLORIDE, POTASSIUM FLUORIDE, SODIUM BROMIDE, SODIUM CHLORIDE, SODIUM FLUORIDE, STRONTIUM BROMIDE, STRONTIUM CHLORIDE, AND STRONTIUM FLUORIDE, SAID METALLIC HALIDE HAVING BEEN MELTED IN CONTACT WITH SAID INDIUM SULFIDE, AND SAID INDIUM SULFIDE HAVING ENTERED THE CRYSTAL LATTICE OF SAID METALLIC HALIDE.
References Cited (Backward Citations)
GB492722A
Cited
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 |