US3157603A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing calcium halophosphate phosphors
Assignee: GTE Sylvania Inc
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Filing: 1962-03-29
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Granted: 1964-11-17
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Expires: 1982-03-29
Abstract
No abstract record available.
Inventors
- 👤 Richard W Mooney
- 👤 Michael A Aia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:19
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/74; C09K11/75; C09K11/76
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
61 words
IN THE MANUFACTURE OF A CALCIUM AHOOPHOSPHATE PHOSPHOR THE STEPS WHICH COMPRISE: MIXING INGREDIENTS NECESSARY TO FORM SAID CALCIUM HALOPHOSPATE PHOSPHOR TOGETHER WITH FOR EVERY 3 MOLES PO4, 0.01 TO 0.1 MOLE CD2SB2O6(X), WHERE X IS AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING O, OH AND F; FIRING SAID MIXTURE TO FORM A CALCIUMHALOPHOSPHATE PHSOPHOR CONTAINING CADMIUM AND ANTIMONY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-17 | 1968-05-18 | 1968-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-17 | 1972-05-18 | 1972-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-17 | 1976-05-18 | 1976-11-17 | $7700.00 | Window Closed / Lapsed |