Patent US2240734A successfully refreshed from Google Patents.
Patent US2733133A successfully refreshed from Google Patents.
US2733133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of titanium monoxide
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
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Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:18
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/04; C01G23/043; C01P; C01P2002/00; C01P2002/70; C01P2002/77; C01P2006/00; C01P2006/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
THE PROCESS FOR PRODUCING SUBSTANTIALLY PURE TITANIUM MONOXIDE HAVING A LATTICE CONSTANT, AO, OF AT LEAST 4.16 A. BUT NO GREATER THAN 4.19 A., WHICH COMPRISES HEATING INTIMATELY ADMIXED FINELY DIVIDED SUBSTANTIALLY EQUIMOLAR PROPORTIONS OF SOLID TITANIUM DIOXIDE AND SOLID CARBON TO A TEMPERATURE ABOVE 1750* C. BUT BELOW THE MELTING POINT TITANIUM MONOXIDE.
Claim 2
Dependent Claim
54 words
THE PROCESS FOR PRODUCING SUBSTANTIALLY PURE TITANIUM MONOXIDE HAVING A LATTICE CONSTANT, AO, OF AT LEAST 4.16 A. BUT NO GREATER THAN 4.19 A., WHICH COMPRISES HEATING INTIMATELY ADMIXED FINELY DIVIDED SUBSTANTIALLY EQUIMOLAR PROPORTIONS OF SOLID TITANIUM DIOXIDE AND SOLID CARBON TO A TEMPERATURE ABOVE 1750* C. BUT BELOW THE MELTING POINT TITANIUM MONOXIDE.
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) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |