US2553944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrochemical conversion of hydrocarbons
Assignee: ExxonMobil Oil Corp
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Filing: 1946-08-31
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Granted: 1951-05-22
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Expires: 1966-08-31
Abstract
No abstract record available.
Inventors
- 👤 Carleton H Schlesman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:01
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/087; C; C07; C07C; C07C2/00; C07C2/76; C07C2/80
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
87 words
A METHOD OF CONVERTING HYDROCARBONS IN THE GAS PHASE THAT COMPRISES ADMITTING THE HYDROCARBONS IN THE GAS PHASE TO A REACTION ZONE, CONTINUOUSLY SUBJECTING THE HYDROCARBONS WHILE IN SAID ZONE TO AN IONIZING ELECTRICAL FIELD SUFFICIENTLY INTENSE TO MAINTAIN AN IONIC DISCHARGE, ADDITIONALLY SUBJECTING SAID HYDROCARBONS TO A SUCCESSION OF PULSES OF IONIZING ELECTRICAL ENERGY OF A RELATIVELY HIGH INTENSITY, EACH OF SAID PULSES HAVING A DURATION OF FROM ONE TO TEN MICROSECONDS AND FOLLOWED BY A REST PERIOD OF SUBSTANTIALLY GREATER DURATION AND WITHDRAWING THE PRODUCTS.
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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) | 1954-05-21 | 1954-11-20 | 1955-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-21 | 1958-11-20 | 1959-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-21 | 1962-11-20 | 1963-05-22 | $7700.00 | Window Closed / Lapsed |