US2543742A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for high-temperature conversion of gaseous hydrocarbons
Assignee: ExxonMobil Oil Corp
•
Filing: 1947-03-18
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Granted: 1951-02-27
•
Expires: 1967-03-18
Abstract
No abstract record available.
Inventors
- 👤 Louis P Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:26
CPC Classifications
C; C07; C07C; C07C11/00; C07C11/12; C07C11/16; C07C11/167; C07C11/02; C07C11/04; C07C4/00; C07C4/02; C07C4/04; Y; Y10; Y10S; Y10S585/00; Y10S585/909; Y10S585/911; Y10S585/913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
THE CONTINUOUS METHOD FOR PYROLYTIC CONVERSION OF GASEOUS HYDROCARBON REACTANTS AT SUITABLE ELEVATED RANGE OF TEMPERATURES TO FORM GASEOUS PRODUCTS UNSTABLE AT SAID RANGE OF TEMPERATURES WHICH COMPRISES: PASSING A PARTICLE-FORM CONTACT MATERIAL OF HIGH ELECTRICAL CONDUCTIVITY AND HIGH HEAT RESISTANCE AS A SUBSTANTIALLY COMPACT COLUMN OF GRAVITATING PARTICLES SERIALLY THROUGH A CONFINED QUENCH ZONE WHEREIN IT IS HEATED WHILE SERVING TO QUENCH HOT GASEOUS REACTION PRODUCTS, A REACTION ZONE WHEREIN IT IS CONTACTED WITH GASEOUS REACTANTS UNDERGOING CONVERSION AND A PREHEATING ZONE WHEREIN IT IS COOLED WHILE SERVING TO TRANSFER HEAT PICKED UP IN SAID QUENCH ZONE TO THE GASEOUS REACTANT FEED; INTRODUCING GASEOUS REACTANT FEED INTO THE LOWER SECTION OF SAID PREHEATING ZONE AND PASSING IT UPWARDLY THROUGH SAID COLUMN THEREIN TO BECOME PREHEATED TO A TEMPERATURE BELOW BUT WITHIN ABOUT 300* F. OF THE SUITABLE CONVERSION TEMPERATURE; PASSING THE PREHEATED GASEOUS REACTANT UPWARDLY THROUGH SAID COLUMN OF CONTACT MATE-
Claim 2
Dependent Claim
152 words
THE CONTINUOUS METHOD FOR PYROLYTIC CONVERSION OF GASEOUS HYDROCARBON REACTANTS AT SUITABLE ELEVATED RANGE OF TEMPERATURES TO FORM GASEOUS PRODUCTS UNSTABLE AT SAID RANGE OF TEMPERATURES WHICH COMPRISES: PASSING A PARTICLE-FORM CONTACT MATERIAL OF HIGH ELECTRICAL CONDUCTIVITY AND HIGH HEAT RESISTANCE AS A SUBSTANTIALLY COMPACT COLUMN OF GRAVITATING PARTICLES SERIALLY THROUGH A CONFINED QUENCH ZONE WHEREIN IT IS HEATED WHILE SERVING TO QUENCH HOT GASEOUS REACTION PRODUCTS, A REACTION ZONE WHEREIN IT IS CONTACTED WITH GASEOUS REACTANTS UNDERGOING CONVERSION AND A PREHEATING ZONE WHEREIN IT IS COOLED WHILE SERVING TO TRANSFER HEAT PICKED UP IN SAID QUENCH ZONE TO THE GASEOUS REACTANT FEED; INTRODUCING GASEOUS REACTANT FEED INTO THE LOWER SECTION OF SAID PREHEATING ZONE AND PASSING IT UPWARDLY THROUGH SAID COLUMN THEREIN TO BECOME PREHEATED TO A TEMPERATURE BELOW BUT WITHIN ABOUT 300* F. OF THE SUITABLE CONVERSION TEMPERATURE; PASSING THE PREHEATED GASEOUS REACTANT UPWARDLY THROUGH SAID COLUMN OF CONTACT MATE-
References Cited (Backward Citations)
US2376191A
Cited
US2387378A
Cited
US2405395A
Cited
US2389636A
Cited
US2406640A
Cited
US2422501A
Cited
US2432520A
Cited
US2477502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |