US3345134A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for the manufacture of titanium nitride
Assignee: Knapsack AG
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Filing: 1963-04-11
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Granted: 1967-10-03
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Expires: 1983-04-11
Abstract
No abstract record available.
Inventors
- 👤 Heymer Gero
- 👤 Harnisch Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:23
CPC Classifications
C; C01; C01B; C01B21/00; C01B21/06; C01B21/076; C01B21/0763; C01P; C01P2002/00; C01P2002/70; C01P2002/77
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A PROCESS FOR MANUFACTURING TITANIUM NITRIDE WHICH COMPRISES THE STEPS OF HEATING A REACTANT GAS SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND A NITROGENHYDROGEN MIXTURE IN AN ELECTRIC ARC TO A TEMPERATURE OF AT LEAST 1000*C., RAPIDLY AND INTIMATELY MIXING THE REACTANT GAS WITH GASEOUS TETRACHLORIDE IN A MIXING ZONE WHOSE WALLS ARE MAINTAINED BY COOLING AT A TEMPERATURE WITHIN THE RANGE OF 136-500*C. AND SUBSEQUENTLY COOLING AND RECOVERING THE REACTION PRODUCTS OF SAID PROCESS.
Claim 2
Dependent Claim
76 words
A PROCESS FOR MANUFACTURING TITANIUM NITRIDE WHICH COMPRISES THE STEPS OF HEATING A REACTANT GAS SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND A NITROGENHYDROGEN MIXTURE IN AN ELECTRIC ARC TO A TEMPERATURE OF AT LEAST 1000*C., RAPIDLY AND INTIMATELY MIXING THE REACTANT GAS WITH GASEOUS TETRACHLORIDE IN A MIXING ZONE WHOSE WALLS ARE MAINTAINED BY COOLING AT A TEMPERATURE WITHIN THE RANGE OF 136-500*C. AND SUBSEQUENTLY COOLING AND RECOVERING THE REACTION PRODUCTS OF SAID PROCESS.
References Cited (Backward Citations)
US2413778A
Cited
US2664402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |