Patent US2658027A successfully refreshed from Google Patents.
US2658027A
Expired / Lapsed
US
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Neutralization of acid constituents in petroleum
Assignee: Airco Inc
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Filing: 1951-12-03
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Granted: 1953-11-03
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Expires: 1971-12-03
Abstract
No abstract record available.
Inventors
- 👤 Charles O Hoover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:27
CPC Classifications
C; C10; C10G; C10G19/00; C10G29/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
THE METHOD OF NEUTRALIZING ACID CONSTITUENTS OF PETROLEUM DISTILLATES WHICH COMPRISES VAPORIZING A PETROLEUM DISTILLATE CONTAINING INORGANIC ACID MATERIAL, PASSING THE VAPOR IN INTIMATE CONTACT WITH AN ALKALI METAL ORGANIC ACID SOAP WITH RESULTANT NEUTRALIZATION OF INORGANIC ACID MATERIAL, AND THEREAFTER CONDENSING THE VAPOR.
Claim 2
Independent Claim
44 words
THE METHOD OF NEUTRALIZING ACID CONSTITUENTS OF PETROLEUM DISTILLATES WHICH COMPRISES VAPORIZING A PETROLEUM DISTILLATE CONTAINING INORGANIC ACID MATERIAL, PASSING THE VAPOR IN INTIMATE CONTACT WITH AN ALKALI METAL ORGANIC ACID SOAP WITH RESULTANT NEUTRALIZATION OF INORGANIC ACID MATERIAL, AND THEREAFTER CONDENSING THE VAPOR.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
US2091917A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-02 | 1957-05-04 | 1957-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-02 | 1961-05-04 | 1961-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-02 | 1965-05-04 | 1965-11-03 | $7700.00 | Window Closed / Lapsed |