US3320145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Arc torch reduction of metal halide
Assignee: Union Carbide Corp
•
Filing: 1961-11-14
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Granted: 1967-05-16
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Expires: 1981-11-14
Abstract
No abstract record available.
Inventors
- 👤 Laura E Case
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:39
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/02; B; B01; B01J; B01J19/00; B01J19/08; C22; C22B; C22B4/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A PROCESS FOR REDUCTION OF METAL HALIDES TO METAL COMPRISING PASSING A STREAM OF HYDROGEN THROUGH A COLLIMATED ELECTRIC ARC; CONTACTING THE EFFLUENT STREAM OF HIGHLY REACTIVE HYDROGEN DOWNSTREAM FROM SAID ELECTRIC ARC WITH A METAL HALIDE; ESSENTIALLY MAINTAINING THE MOLE RATIO OF HYDROGEN TO METAL HALIDE GREATER THAN 2 AND SIMULTANEOUSLY ESSENTIALLY MAINTAINING AT LEAST 100 KCAL. OF ENERGY PER GRAM MOLE OF SAID METAL HALIDE IN THE REACTION ZONE DURING REACTION BETWEEN SAID EFFLUENT STREAM OF HYDROGEN AND SAID METAL HALIDE; AND COOLING AND RECOVERING POWDERS OF THE METAL OF SAID METAL HALIDE.
Claim 2
Dependent Claim
95 words
A PROCESS FOR REDUCTION OF METAL HALIDES TO METAL COMPRISING PASSING A STREAM OF HYDROGEN THROUGH A COLLIMATED ELECTRIC ARC; CONTACTING THE EFFLUENT STREAM OF HIGHLY REACTIVE HYDROGEN DOWNSTREAM FROM SAID ELECTRIC ARC WITH A METAL HALIDE; ESSENTIALLY MAINTAINING THE MOLE RATIO OF HYDROGEN TO METAL HALIDE GREATER THAN 2 AND SIMULTANEOUSLY ESSENTIALLY MAINTAINING AT LEAST 100 KCAL. OF ENERGY PER GRAM MOLE OF SAID METAL HALIDE IN THE REACTION ZONE DURING REACTION BETWEEN SAID EFFLUENT STREAM OF HYDROGEN AND SAID METAL HALIDE; AND COOLING AND RECOVERING POWDERS OF THE METAL OF SAID METAL HALIDE.
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) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |