US2815299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing an adherent molybdenum coating on a metal substrate
Assignee: National Research Corp
•
Filing: 1955-10-24
•
Granted: 1957-12-03
•
Expires: 1975-10-24
Abstract
No abstract record available.
Inventors
- 👤 Paul L Raymond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:01
CPC Classifications
C; C23; C23C; C23C16/00; C23C16/06; C23C16/08; C23C16/14; C23C16/02; C23C16/0272; C23C16/0281
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN A METHOD OF PRODUCING AN ADHERENT MOLYBDENUM COATING ON A METAL SUBSTRATE CAPABLE OF FORMING A DIFFUSION BOND WITH A METAL SELECTED FROM THE GROUP CONSISTING OF COBALT AND NICKEL WHEREIN THE PROCESS COMPRISES COATING A THIN LAYER OF THE BONDING METAL ON THE METAL SUBSTRATE AND DEPOSITING A COATING OF MOLYBDENUM ON SAID THIN LAYER BY THE HYDROGEN REDUCTION OF MOLYBDENUM CHLORIDE VAPORS, THE IMPROVEMENT WHICH COMPRISES GENERATING THE MOLYBDENUM CHLORIDE VAPORS BY BUBBLING AN INERT GAS THROUGH A MOLTEN MOLYBDENUM PENTACHLORIDE BATH AND THEREAFTER REACTING THE RESULTING MIXTURE OF VAPORS WITH A STREAM OF HYDROGEN.
Claim 2
Dependent Claim
98 words
IN A METHOD OF PRODUCING AN ADHERENT MOLYBDENUM COATING ON A METAL SUBSTRATE CAPABLE OF FORMING A DIFFUSION BOND WITH A METAL SELECTED FROM THE GROUP CONSISTING OF COBALT AND NICKEL WHEREIN THE PROCESS COMPRISES COATING A THIN LAYER OF THE BONDING METAL ON THE METAL SUBSTRATE AND DEPOSITING A COATING OF MOLYBDENUM ON SAID THIN LAYER BY THE HYDROGEN REDUCTION OF MOLYBDENUM CHLORIDE VAPORS, THE IMPROVEMENT WHICH COMPRISES GENERATING THE MOLYBDENUM CHLORIDE VAPORS BY BUBBLING AN INERT GAS THROUGH A MOLTEN MOLYBDENUM PENTACHLORIDE BATH AND THEREAFTER REACTING THE RESULTING MIXTURE OF VAPORS WITH A STREAM OF HYDROGEN.
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) | 1960-12-02 | 1961-06-03 | 1961-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-02 | 1965-06-03 | 1965-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-02 | 1969-06-03 | 1969-12-03 | $7700.00 | Window Closed / Lapsed |