US2852350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbon monoxide hydrogenation synthesis reactors
Assignee: RHEINPREUSSEN AG fur BERGBAU A
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Filing: 1953-12-22
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Granted: 1958-09-16
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Expires: 1973-12-22
Abstract
No abstract record available.
Inventors
- 👤 Kolbel Herbert
- 👤 Langheim Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:52
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/20; B01J8/22; C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0405; C07C1/042; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00115; B01J2208/00132
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN A SYNTHESIS FURNACE FOR THE CATALYTIC HYDROGENATION OF CARBON MONOXIDE GAS IN A LIQUID SUSPENSION OF CATALYST COMPRISING A VERTICAL REACTION CHAMBER DEFINING A CONTAINER FOR SAID LIQUID SUSPENSION AND HAVING AN INLET FOR SAID GAS AT ITS LOWER PORTION AND AN OUTLET FOR SAID GAS AT ITS UPPER PORTION, THE IMPROVEMENT WHICH COMPRISES A MULTIPLE NUMBER OF VERTICAL BUNDLES OF COOLING TUBES LONGITUDINALLY POSITIONED WITHIN SAID REACTION CHAMBER, MEANS FOR COMBINING SAID TUBES INTO A LESSER NUMBER OF TUBES AT VERTICAL INTERVALS THROUGH THE HEIGHT OF SAID CHAMBER, AND MEANS FOR PASSING COOLANT THROUGH SAID TUBES.
Claim 2
Dependent Claim
98 words
IN A SYNTHESIS FURNACE FOR THE CATALYTIC HYDROGENATION OF CARBON MONOXIDE GAS IN A LIQUID SUSPENSION OF CATALYST COMPRISING A VERTICAL REACTION CHAMBER DEFINING A CONTAINER FOR SAID LIQUID SUSPENSION AND HAVING AN INLET FOR SAID GAS AT ITS LOWER PORTION AND AN OUTLET FOR SAID GAS AT ITS UPPER PORTION, THE IMPROVEMENT WHICH COMPRISES A MULTIPLE NUMBER OF VERTICAL BUNDLES OF COOLING TUBES LONGITUDINALLY POSITIONED WITHIN SAID REACTION CHAMBER, MEANS FOR COMBINING SAID TUBES INTO A LESSER NUMBER OF TUBES AT VERTICAL INTERVALS THROUGH THE HEIGHT OF SAID CHAMBER, AND MEANS FOR PASSING COOLANT THROUGH SAID TUBES.
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) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |