US2663633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of reducing ferrous chloride in the gaseous phase with hydrogen to produce metallic iron
Assignee: Republic Steel Corp
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Filing: 1951-03-08
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Granted: 1953-12-22
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Expires: 1971-03-08
Abstract
No abstract record available.
Inventors
- 👤 Henry L Crowley
- 👤 Graham Marion Ernest
- 👤 Edward A Beidler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:32
CPC Classifications
C; C21; C21B; C21B15/00; C21B15/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
THE PROCESS OF REDUCING FERROUS CHLORIDE TO PRODUCE METALLIC IRON SOLELY IN POWDER FORM, COMPRISING THE STEPS OF INTRODUCING FERROUS CHLORIDE SOLELY AS A STREAM OF VAPOR AND IN A PREDETERMINED DIRECTION INTO A REACTION ZONE, SEPARATELY INTRODUCING INTO SAID REACTION ZONE A STREAM OF A GAS, THE ESSENTIAL ACTIVE REDUCING INGREDIENT OF WHICH IS HYDROGEN, PREDETERMINING THE DIRECTION OF INTRODUCTION OF SAID STREAM OF SAID GAS SO THAT IT WILL IMPINGE AGAINST SAID STREAM OF FERROUS CHLORIDE VAPOR AT A POINT SPACED FROM ANY WALLS DEFINING ANY BOUNDARIES OF SAID REACTION ZONE, AND MAINTAINING THE TEMPERATURE IN SAID REACTION ZONE AT LEAST ABOUT 1250* F., SO AS TO PROVIDE A SOLELY GASEOUS PHASE REATION IN SAID ZONE BETWEEN FERROUS CHLORIDE VAPOR AND HYDROGEN TO PRODUCE METALLIC IRON SOLELY IN POWDER FORM.
Claim 2
Dependent Claim
132 words
THE PROCESS OF REDUCING FERROUS CHLORIDE TO PRODUCE METALLIC IRON SOLELY IN POWDER FORM, COMPRISING THE STEPS OF INTRODUCING FERROUS CHLORIDE SOLELY AS A STREAM OF VAPOR AND IN A PREDETERMINED DIRECTION INTO A REACTION ZONE, SEPARATELY INTRODUCING INTO SAID REACTION ZONE A STREAM OF A GAS, THE ESSENTIAL ACTIVE REDUCING INGREDIENT OF WHICH IS HYDROGEN, PREDETERMINING THE DIRECTION OF INTRODUCTION OF SAID STREAM OF SAID GAS SO THAT IT WILL IMPINGE AGAINST SAID STREAM OF FERROUS CHLORIDE VAPOR AT A POINT SPACED FROM ANY WALLS DEFINING ANY BOUNDARIES OF SAID REACTION ZONE, AND MAINTAINING THE TEMPERATURE IN SAID REACTION ZONE AT LEAST ABOUT 1250* F., SO AS TO PROVIDE A SOLELY GASEOUS PHASE REATION IN SAID ZONE BETWEEN FERROUS CHLORIDE VAPOR AND HYDROGEN TO PRODUCE METALLIC IRON SOLELY IN POWDER FORM.
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) | 1956-12-21 | 1957-06-22 | 1957-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-21 | 1961-06-22 | 1961-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-21 | 1965-06-22 | 1965-12-22 | $7700.00 | Window Closed / Lapsed |