Patent US3346338A successfully refreshed from Google Patents.
US3346338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of finely divided silicon or titanium carbide
Assignee: Continental Carbon Co
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Filing: 1964-01-20
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Granted: 1967-10-10
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Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Burton F Latham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:33
CPC Classifications
C; C01; C01B; C01B32/00; C01B32/90; C01B32/914; C01B32/956; C01B32/963
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A PROCESS FOR PRODUCING A FINELY-DIVIDED CARBIDE SELECTED FROM THE GROUP CONSISTING OF SILICON CARBIDE AND TITANIUM CARBIDE WHICH COMPRISES PROVIDING AN ELONGATED REACTION ZONE, PASSING IN INDIRECT HEAT EXCHANGE WITH AN EXTERIOR PORTION OF THE REACTION ZONE A VAPOR OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF SILICON AND TITANIUM CHLORIDES AND BROMIDES, ADMIXING WITH THE RESULTING VAPOR A VAPOROUS HYDROCARBON, PASSING THE RESULTING ADMIXTURE INTO ONE END OF THE REACTION ZONE AT A VELOCITY SUFFICIENT TO RESULT IN TURBULENT FLOW THEREIN, MAINTAINING AN UPSTREAM PORTION OF SAID REACTION ZONE AT A TEMPERATURE OF AT LEAST ABOUT 1800*F., AND RECOVERING FROM THE OTHER END OF THE REACTION ZONE A GASEOUS SUSPENSION OF FINELY-DIVIDED CARBIDE PRODUCT.
Claim 2
Dependent Claim
117 words
A PROCESS FOR PRODUCING A FINELY-DIVIDED CARBIDE SELECTED FROM THE GROUP CONSISTING OF SILICON CARBIDE AND TITANIUM CARBIDE WHICH COMPRISES PROVIDING AN ELONGATED REACTION ZONE, PASSING IN INDIRECT HEAT EXCHANGE WITH AN EXTERIOR PORTION OF THE REACTION ZONE A VAPOR OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF SILICON AND TITANIUM CHLORIDES AND BROMIDES, ADMIXING WITH THE RESULTING VAPOR A VAPOROUS HYDROCARBON, PASSING THE RESULTING ADMIXTURE INTO ONE END OF THE REACTION ZONE AT A VELOCITY SUFFICIENT TO RESULT IN TURBULENT FLOW THEREIN, MAINTAINING AN UPSTREAM PORTION OF SAID REACTION ZONE AT A TEMPERATURE OF AT LEAST ABOUT 1800*F., AND RECOVERING FROM THE OTHER END OF THE REACTION ZONE A GASEOUS SUSPENSION OF FINELY-DIVIDED CARBIDE PRODUCT.
References Cited (Backward Citations)
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US2962388A
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US2915371A
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US3205042A
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US3174827A
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US3236673A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |