Patent US2550089A successfully refreshed from Google Patents.
US2550089A
Expired / Lapsed
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Electrochemical conversion of hydrocarbons
Assignee: ExxonMobil Oil Corp
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Filing: 1946-08-31
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Granted: 1951-04-24
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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 14:18
CPC Classifications
C; C07; C07C; C07C2/00; C07C2/76; C07C2/80; B; B01; B01J; B01J19/00; B01J19/08; B01J19/087; B01J19/088; C10; C10G; C10G15/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
39 words
A METHOD OF CONVERTING HYDROCARBONS IN THE GAS PHASE THAT COMPRISES SUBJECTING THE HYDROCARBONS WHILE IN THE GAS PHASE TO A SUCCESSION OF PULSES OF IONIZING ELECTRICAL ENERGY, EACH PULSE HAVING A DURATION OF FROM 0.1 TO 2500 MICRO-
References Cited (Backward Citations)
US1570209A
Cited
US1838374A
Cited
GB296355A
Cited
US2000224A
Cited
US1977155A
Cited
US2105614A
Cited
US2096774A
Cited
US2072917A
Cited
US2080933A
Cited
US2257177A
Cited
US2279583A
Cited
US2353770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |