Patent US3846162A successfully refreshed from Google Patents.
US3846162A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal carbonitride coatings
Assignee: Texas Instruments Inc
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Filing: 1968-10-21
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Granted: 1974-11-05
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Expires: 1988-10-21
Abstract
Abstract 1. A PROCESS FOR COATING A SUBSTRATE WITH A SOLID SOLUTION CARBONITRIDE OF A METAL SELECTED FROM SILICONN, BORON, AND THE TRANSITION METALS IN GROUPS IVB, VB AND VIB OF THE PERIODIC TABLE COMPRISING: HEATING SAID SUBSTRATE TO A TEMPERATURE OF 400* TO 1200*C.; AND CONTACTING THE HEATED SUBSTRATE, IN THE ABSENCE OF HALOGEN, WITH A VAPOROUS ORGANIC COMPOUND HAVING THE GENERIC FORMULA ((R2)2N)NME WHEREIN ME IS ONE OF SAID METALS, N IS A VALENCE OF ME, AND R IS SELECTED FROM HYDROGEN AND HYDROCARBON RADICALS HAVING FROM 1 TO ABOUT 18 CARBON ATOMS, PROVIDED AT LEAST ONE R GROUP IS AT LEAST ONE OF SAID HYDROCARBON RADICALS.
Inventors
- 👤 J Bloom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:11
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/22; C23C16/30; C23C16/36; C04; C04B; C04B41/00; C04B41/45; C04B41/50; C04B41/5053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A PROCESS FOR COATING A SUBSTRATE WITH A SOLID SOLUTION CARBONITRIDE OF A METAL SELECTED FROM SILICONN, BORON, AND THE TRANSITION METALS IN GROUPS IVB, VB AND VIB OF THE PERIODIC TABLE COMPRISING: HEATING SAID SUBSTRATE TO A TEMPERATURE OF 400* TO 1200*C.; AND CONTACTING THE HEATED SUBSTRATE, IN THE ABSENCE OF HALOGEN, WITH A VAPOROUS ORGANIC COMPOUND HAVING THE GENERIC FORMULA ((R2)2N)NME WHEREIN ME IS ONE OF SAID METALS, N IS A VALENCE OF ME, AND R IS SELECTED FROM HYDROGEN AND HYDROCARBON RADICALS HAVING FROM 1 TO ABOUT 18 CARBON ATOMS, PROVIDED AT LEAST ONE R GROUP IS AT LEAST ONE OF SAID HYDROCARBON RADICALS.
Claim 2
Dependent Claim
107 words
A PROCESS FOR COATING A SUBSTRATE WITH A SOLID SOLUTION CARBONITRIDE OF A METAL SELECTED FROM SILICONN, BORON, AND THE TRANSITION METALS IN GROUPS IVB, VB AND VIB OF THE PERIODIC TABLE COMPRISING: HEATING SAID SUBSTRATE TO A TEMPERATURE OF 400* TO 1200*C.; AND CONTACTING THE HEATED SUBSTRATE, IN THE ABSENCE OF HALOGEN, WITH A VAPOROUS ORGANIC COMPOUND HAVING THE GENERIC FORMULA ((R2)2N)NME WHEREIN ME IS ONE OF SAID METALS, N IS A VALENCE OF ME, AND R IS SELECTED FROM HYDROGEN AND HYDROCARBON RADICALS HAVING FROM 1 TO ABOUT 18 CARBON ATOMS, PROVIDED AT LEAST ONE R GROUP IS AT LEAST ONE OF SAID HYDROCARBON RADICALS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |