US2819152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing titanium carbide
Assignee: NL Industries Inc
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Filing: 1954-08-16
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Granted: 1958-01-07
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Expires: 1974-08-16
Abstract
No abstract record available.
Inventors
- 👤 Agaard Leif
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:57
CPC Classifications
C; C01; C01B; C01B32/00; C01B32/90; C01P; C01P2004/00; C01P2004/60; C01P2004/61; C01P2006/00; C01P2006/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
PROCESS FOR FORMING A TITANIUM COMPOUND OF CARBON, THE STEPS OF: PREPARING A STARTING COMPOSITION BY FORMING A SULFATE SOLUTION OF TITANIUM, HYDROLYZING SAID SULFATE SOLUTION IN THE PRESENCE OF FINELY DIVIDED CARBON PARTICLES TO FORM A MIXTURE COMPRISING COALESCED PARTICLES OF A HYDRATED TITANIUM COMPOUND AND CARBON, ALTERING THE SAID HYDRATED TITANIUM PARTICLES OF SAID MIXTURE BY TREATING THE LATTER WITH AN ALKALI METAL HYDROXIDE, SUCH THAT WHEN CALCINED SAID HYDRATED TITANIUM IS CONVERTED TO AN ALKALI METAL TITANATE, AND THEN CALCINING THE ALKALI ALTERED MIXTURE TO FORM A FINELY DIVIDED TITANIUM COMPOUND OF CARBON.
Claim 2
Dependent Claim
96 words
PROCESS FOR FORMING A TITANIUM COMPOUND OF CARBON, THE STEPS OF: PREPARING A STARTING COMPOSITION BY FORMING A SULFATE SOLUTION OF TITANIUM, HYDROLYZING SAID SULFATE SOLUTION IN THE PRESENCE OF FINELY DIVIDED CARBON PARTICLES TO FORM A MIXTURE COMPRISING COALESCED PARTICLES OF A HYDRATED TITANIUM COMPOUND AND CARBON, ALTERING THE SAID HYDRATED TITANIUM PARTICLES OF SAID MIXTURE BY TREATING THE LATTER WITH AN ALKALI METAL HYDROXIDE, SUCH THAT WHEN CALCINED SAID HYDRATED TITANIUM IS CONVERTED TO AN ALKALI METAL TITANATE, AND THEN CALCINING THE ALKALI ALTERED MIXTURE TO FORM A FINELY DIVIDED TITANIUM COMPOUND OF CARBON.
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) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |