US2839465A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water dispersible corrosion inhibitor
Assignee: Pan American Petroleum Corp
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Filing: 1953-02-04
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Granted: 1958-06-17
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Expires: 1973-02-04
Abstract
No abstract record available.
Inventors
- 👤 Loyd W Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:25
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/141; C23F11/143; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A BRINE-DISPERSIBLE CORROSION-INHIBITING COMPOSITION COMPRISING FROM ABOUT 10 TO 80 PERCENT BY VOLUME OF AN OIL-SOLUBLE, WATER-INSOLUBLE CORROSION INHIBITOR, FROM ABOUT 10 TO 80 PERCENT BY VOLUME OF A DISTILLED PETROLEUM FRACTION, FROM ABOUT 2 TO 10 PERCENT BY VOLUME PETROLEUM MUTUAL SOLVENT FOR WATER AND THE DISTILLED PETROLEUM FRACTION, AND FROM ABOUT 2 TO 10 PER CENT BY VOLUME OF A DISPERSING AGENT HAVING THE FORMULA ROW, WHEREIN R IS A NON-AROMATIC HYDROCARBON RADICAL CONTAINING AT LEAST 12 CARBON ATOMS, O IS OXYGEN AND W IS A POLYGLYCOL CONTAINING AT LEAST 4 ETHER LINKAGES.
Claim 2
Dependent Claim
95 words
A BRINE-DISPERSIBLE CORROSION-INHIBITING COMPOSITION COMPRISING FROM ABOUT 10 TO 80 PERCENT BY VOLUME OF AN OIL-SOLUBLE, WATER-INSOLUBLE CORROSION INHIBITOR, FROM ABOUT 10 TO 80 PERCENT BY VOLUME OF A DISTILLED PETROLEUM FRACTION, FROM ABOUT 2 TO 10 PERCENT BY VOLUME PETROLEUM MUTUAL SOLVENT FOR WATER AND THE DISTILLED PETROLEUM FRACTION, AND FROM ABOUT 2 TO 10 PER CENT BY VOLUME OF A DISPERSING AGENT HAVING THE FORMULA ROW, WHEREIN R IS A NON-AROMATIC HYDROCARBON RADICAL CONTAINING AT LEAST 12 CARBON ATOMS, O IS OXYGEN AND W IS A POLYGLYCOL CONTAINING AT LEAST 4 ETHER LINKAGES.
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) | 1961-06-16 | 1961-12-16 | 1962-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-16 | 1965-12-16 | 1966-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-16 | 1969-12-16 | 1970-06-17 | $7700.00 | Window Closed / Lapsed |