US2832677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Residual fuel
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1953-10-21
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Granted: 1958-04-29
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Expires: 1973-10-21
Abstract
No abstract record available.
Inventors
- 👤 Arnold J Morway
- 👤 Raymond W Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:50
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/188; C10L1/1881
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
AN IMPROVED RESIDUAL HYDROCARBON FUEL CONTAINING VANADIUM AS AN IMPURITY, SAID FUEL HAVING DISSOLVED THEREIN FROM ABOUT 0.02% TO ABOUT 0.5% BY WEIGHT OF A METAL SELECTED FROM THE GROUP CONSISTING OF CALCIUM, BARIUM, AND MAGNESIUM, SAID METAL BEING IN TH FORM BARIUM, AND MAGNESIUM, SAID METAL BEING IN THE FORM OF A COMPLEX SOAP OBTAINED BY THE SAPONIFICATION OF A LOW MOLECULAR WEIGHT MONOBASIC CARBOXYLIC ACID CONTAINING FROM 1 TO 5 CARBON ATOMS AND A HIGH MOLECULAR 22 CARBON ATOMS, SAID COMPLEX SOAP CONSISTING OF FROM ABOUT 10 TO 80% BY WEIGHT OF THE SOAP OF SAID LOW MOLECULAR WEIGHT ACID AND FROM ABOUT 90 TO 20% BY WEIFHT OF THE SOAP OF THE SAID HIGH MOLECULAR WEIGHT ACID.
Claim 2
Dependent Claim
120 words
AN IMPROVED RESIDUAL HYDROCARBON FUEL CONTAINING VANADIUM AS AN IMPURITY, SAID FUEL HAVING DISSOLVED THEREIN FROM ABOUT 0.02% TO ABOUT 0.5% BY WEIGHT OF A METAL SELECTED FROM THE GROUP CONSISTING OF CALCIUM, BARIUM, AND MAGNESIUM, SAID METAL BEING IN TH FORM BARIUM, AND MAGNESIUM, SAID METAL BEING IN THE FORM OF A COMPLEX SOAP OBTAINED BY THE SAPONIFICATION OF A LOW MOLECULAR WEIGHT MONOBASIC CARBOXYLIC ACID CONTAINING FROM 1 TO 5 CARBON ATOMS AND A HIGH MOLECULAR 22 CARBON ATOMS, SAID COMPLEX SOAP CONSISTING OF FROM ABOUT 10 TO 80% BY WEIGHT OF THE SOAP OF SAID LOW MOLECULAR WEIGHT ACID AND FROM ABOUT 90 TO 20% BY WEIFHT OF THE SOAP OF THE SAID HIGH MOLECULAR WEIGHT ACID.
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) | 1961-04-28 | 1961-10-28 | 1962-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-28 | 1965-10-28 | 1966-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-28 | 1969-10-28 | 1970-04-29 | $7700.00 | Window Closed / Lapsed |