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Patent US2647066A successfully refreshed from Google Patents.
US2647066A
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Phosphor suspension and method of applying
Assignee: GTE Sylvania Inc
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Filing: 1950-03-01
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Granted: 1953-07-28
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Expires: 1970-03-01
Abstract
No abstract record available.
Inventors
- 👤 Horace H Homer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:38
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
80 words
THE PROCESS OF COATING AN OBJECT WITH A PHOSPHOR DELETERIOUSLY AFFECTED BY OXIDATION, WHICH METHOD COMPRISES THE STEPS OF: MIXING A SUSPENSION OF SAID PHOSPHOR, A CELLULOSIC BINDER WHICH IS TO BE REMOVED BY OXIDATION, AN ORGANIC SOLVENT FOR SAID BINDER, AND A FEW PERCENT BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AMMONIUM OXALATE AND OXALIC ACID; APPLYING THE RESULTANT SUSPENSION TO THE OBJECT; AND BAKING THE OBJECT IN AIR TO ELIMINATE SAID BINDER BY OXIDATION.
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) | 1956-07-27 | 1957-01-26 | 1957-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-27 | 1961-01-26 | 1961-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-27 | 1965-01-26 | 1965-07-28 | $7700.00 | Window Closed / Lapsed |