US2767050A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of metal titanate
Assignee: NL Industries Inc
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Filing: 1953-09-18
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Granted: 1956-10-16
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Expires: 1973-09-18
Abstract
No abstract record available.
Inventors
- 👤 Merker Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:21
CPC Classifications
C; C01; C01G; C01G53/00; C01G53/40; C01P; C01P2004/00; C01P2004/30; C01P2004/45; C01P2004/60; C01P2004/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
PREPARATION OF FINELY DIVIDED NICKEL TITANATE ADAPTED FOR THE MANUFACTURE OF SINGLE CRYSTALS WHICH COMPRISES ADMIXING TITANIUM SULFATE SOLUTION AND A NICKEL SULFATE SOLUTION AND CONCENTRATING SAID MIXTURE TO SO3 FUMES TO PRECIPITATE A DOUBLE SALT OF NICKEL TITANIUM SULFATE, FILTERING AND DRYING SAID PRECIPITATE AND CALCINING AT ELEVATED TEMPERATURES UNTIL THE SULFATE VALUES ARE DESTROYED AND THE NICKEL TITANATE COMPOUND IS OBTAINED.
Claim 2
Dependent Claim
63 words
PREPARATION OF FINELY DIVIDED NICKEL TITANATE ADAPTED FOR THE MANUFACTURE OF SINGLE CRYSTALS WHICH COMPRISES ADMIXING TITANIUM SULFATE SOLUTION AND A NICKEL SULFATE SOLUTION AND CONCENTRATING SAID MIXTURE TO SO3 FUMES TO PRECIPITATE A DOUBLE SALT OF NICKEL TITANIUM SULFATE, FILTERING AND DRYING SAID PRECIPITATE AND CALCINING AT ELEVATED TEMPERATURES UNTIL THE SULFATE VALUES ARE DESTROYED AND THE NICKEL TITANATE COMPOUND IS OBTAINED.
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) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |