US2758094A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Titanium activated magnesium borate
Assignee: EMI Group Ltd
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Filing: 1953-10-12
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Granted: 1956-08-07
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Expires: 1973-10-12
Abstract
No abstract record available.
Inventors
- 👤 Ranby Peter Whitten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:26
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/67; C09K11/678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
AN ARTIFICAL LUMINESCENT MATERIAL COMPRISING A MAGNESIUM BORATE ACTIVATED WITH TITANIUM, WHEREIN THE MATERIAL IS THE REACTION PRODUCT, FIRED AT A TEMPERATURE OF AT LEAST 1075* C., OF A MIXTURE IN WHICH THE PROPOSTIONS OF THE ELEMENTS MAGNESIUM, TITANIUM, BORON AND OXYGEN PRESENT IN THE MATERIAL, EXPRESSED AS THE OXIDES OF THE ELEMENTS MAGNESIUM, TITANIUM AND BORON AND BY WEIGHT OF THE LUMINESCENT MATERIAL, ARE FORM 50 TO 85 PER CENT OF MAGNESIUM OXIDE, FROM 5 TO 40 PER CENT OF TITANIUM DIOXIDE, AND FROM 2 TO 27 PERCENT OF BORIC OXIDE.
Claim 2
Dependent Claim
92 words
AN ARTIFICAL LUMINESCENT MATERIAL COMPRISING A MAGNESIUM BORATE ACTIVATED WITH TITANIUM, WHEREIN THE MATERIAL IS THE REACTION PRODUCT, FIRED AT A TEMPERATURE OF AT LEAST 1075* C., OF A MIXTURE IN WHICH THE PROPOSTIONS OF THE ELEMENTS MAGNESIUM, TITANIUM, BORON AND OXYGEN PRESENT IN THE MATERIAL, EXPRESSED AS THE OXIDES OF THE ELEMENTS MAGNESIUM, TITANIUM AND BORON AND BY WEIGHT OF THE LUMINESCENT MATERIAL, ARE FORM 50 TO 85 PER CENT OF MAGNESIUM OXIDE, FROM 5 TO 40 PER CENT OF TITANIUM DIOXIDE, AND FROM 2 TO 27 PERCENT OF BORIC OXIDE.
References Cited (Backward Citations)
US2270124A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |