US3836634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of nickel fluoride
Assignee: FMC Corp
•
Filing: 1971-03-05
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Granted: 1974-09-17
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Expires: 1991-03-05
Abstract
Abstract A HIGHLY ACTIVE, ANHYDROUS NICKEL FLUORIDE WHICH IS RESISTANT TO PICK-UP OF ATMOSPHERIC WATER AND IS SUPERIOR AS A BATTERY ELEMENT IN HIGH ENERGY LITHIUM-NICKEL FLUORIDE BATTERIES, IS PRODUCED BY PASSING ANHYDROUS GASEOUS HYDROGEN FLUORIDE OVER AMORPHOUS BASIC NICKEL CARBONATE AT A TETEMPERATURE OF BETWEEN 150*-300*C. AND PREFERABLY 225*-250*C.
Inventors
- 👤 J Saldick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:25
CPC Classifications
C; C01; C01G; C01G53/00; C01G53/08; H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/58; H01M4/582; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
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References Cited (Backward Citations)
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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) | 1977-09-16 | 1978-03-18 | 1978-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-16 | 1982-03-18 | 1982-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-16 | 1986-03-18 | 1986-09-17 | $7700.00 | Window Closed / Lapsed |