Patent US2860998A successfully refreshed from Google Patents.
US2860998A
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Metal titanate composition
Assignee: NL Industries Inc
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Filing: 1955-11-29
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Granted: 1958-11-18
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Expires: 1975-11-29
Abstract
No abstract record available.
Inventors
- 👤 Merker Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:51
CPC Classifications
C; C30; C30B; C30B11/00; C30B11/04; C30B11/08; C30B11/10; C01; C01G; C01G23/00; C01G23/003; C01G23/006; C01P; C01P2002/00; C01P2002/70; C01P2002/72; C01P2004/00; C01P2004/60; C01P2004/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
MONOCRYSTALLINE TETRAGONAL TITANATE COMPOSITION CONSISTING ESSENTIALY OF BARIUM TITANATE, FROM ABOUT 1% TO ABOUT 10% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN OXIDIC COMPOUND OF STRONTIUM AND AN OXIDE COMPOUND OF CALCIUM CALCULATED AS THE METAL OXIDE AND FROM ABOUT 0.01% TO ABOUT 0.1% OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN OXIDIC COMPOUND OF MAGNANESE, OXIDIC COMPOUND OF IRON, OXIDIC COMPOUND OF COBALT AND OXIDIC COMPOUND OF NICKEL CALCULATED AS THE METAL OXIDE, SAID COMPOSITION BEING FORMED SYNTHETICALLY BY CRYSTALLIZING INTO THE FORM OF A BOULE A FUSED MIXTURE OF FINELY DIVIDED BARIUM TITANATE AND SAID COMPOUNDS, AND CHARACTERIZED BY A CLEAR UNIFORM APPEARANCE AND HIGH INDEX OF REFRACTION.
Claim 2
Dependent Claim
117 words
MONOCRYSTALLINE TETRAGONAL TITANATE COMPOSITION CONSISTING ESSENTIALY OF BARIUM TITANATE, FROM ABOUT 1% TO ABOUT 10% BY WEIGHT OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN OXIDIC COMPOUND OF STRONTIUM AND AN OXIDE COMPOUND OF CALCIUM CALCULATED AS THE METAL OXIDE AND FROM ABOUT 0.01% TO ABOUT 0.1% OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN OXIDIC COMPOUND OF MAGNANESE, OXIDIC COMPOUND OF IRON, OXIDIC COMPOUND OF COBALT AND OXIDIC COMPOUND OF NICKEL CALCULATED AS THE METAL OXIDE, SAID COMPOSITION BEING FORMED SYNTHETICALLY BY CRYSTALLIZING INTO THE FORM OF A BOULE A FUSED MIXTURE OF FINELY DIVIDED BARIUM TITANATE AND SAID COMPOUNDS, AND CHARACTERIZED BY A CLEAR UNIFORM APPEARANCE AND HIGH INDEX OF REFRACTION.
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) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |