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US2992931A
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Metal titanate composition of matter
Assignee: NL Industries Inc
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Filing: 1960-05-26
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Granted: 1961-07-18
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Expires: 1980-05-26
Abstract
No abstract record available.
Inventors
- 👤 Merker Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:15
CPC Classifications
C; C30; C30B; C30B11/00; C30B11/04; C30B11/08; C30B11/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A HIGHLY REFRACTIVE COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A MONOCRYSTALLINE MASS OF ZINC ORTHOTITANATE, TITANIUM DIOXIDE AND A METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM OXIDE, ZIRCONIUM OXIDE, CALCIUM OXIDE AND ALUMINUM OXIDE, THE TITANIUM DIOXIDE IN SAID MASS BEING PRESENT IN AMOUNT FROM 2.0% TO 7.5% BY WEIGHT, THE MAGNESIUM OXIDE IN AMOUNT FROM 1.0% TO 4.5% BY WEIGHT, THE CALCIUM OXIDE IN AMOUNT FROM 0.05% TO 0.5% BY WEIGHT, THE ZIRCONIUM DIOXIDE IN AMOUNT FROM 0.05% TO 2.0% BY WEIGHT AND THE ALUMINUM OXIDE IN AMOUNT FROM 0.5% TO 2.5% BY WEIGHT OF SAID MONOCRYSTALLINE MASS.
Claim 2
Dependent Claim
101 words
A HIGHLY REFRACTIVE COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A MONOCRYSTALLINE MASS OF ZINC ORTHOTITANATE, TITANIUM DIOXIDE AND A METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM OXIDE, ZIRCONIUM OXIDE, CALCIUM OXIDE AND ALUMINUM OXIDE, THE TITANIUM DIOXIDE IN SAID MASS BEING PRESENT IN AMOUNT FROM 2.0% TO 7.5% BY WEIGHT, THE MAGNESIUM OXIDE IN AMOUNT FROM 1.0% TO 4.5% BY WEIGHT, THE CALCIUM OXIDE IN AMOUNT FROM 0.05% TO 0.5% BY WEIGHT, THE ZIRCONIUM DIOXIDE IN AMOUNT FROM 0.05% TO 2.0% BY WEIGHT AND THE ALUMINUM OXIDE IN AMOUNT FROM 0.5% TO 2.5% BY WEIGHT OF SAID MONOCRYSTALLINE MASS.
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) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |