US3150086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of inhibiting corrosion in ferrous metal containers exposed to the atmosphere
Assignee: Pure Oil Co
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Filing: 1961-09-29
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Granted: 1964-09-22
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Expires: 1981-09-29
Abstract
No abstract record available.
Inventors
- 👤 Glenn A Marsh
- 👤 Robert L Littler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:04
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/141
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
IN THE STORAGE OF WATER IN FERROUS METAL CONTAINERS EXPOSED TO THE ATMOSPHERE, THE IMPROVEMENT OF FLOATING ON THE SURFACE OF THE WATER A LAYER OF A LIQUID SELECTED FROM THE GROUP CONSISTING OF OIL-SOLUBLE, SUBSTANTIALLY WATER-INSOLUBLE, QUATERNARY AMMONIUM SALTS AND SOLUTIONS OF SAID SALTS IN OIL IN A CONCENTRATION NOT LESS THAN ABOUT 50%, WHEREBY CORROSION OF THE METAL CONTAINER IS SUBSTANTIALLY REDUCED.
Claim 2
Dependent Claim
64 words
IN THE STORAGE OF WATER IN FERROUS METAL CONTAINERS EXPOSED TO THE ATMOSPHERE, THE IMPROVEMENT OF FLOATING ON THE SURFACE OF THE WATER A LAYER OF A LIQUID SELECTED FROM THE GROUP CONSISTING OF OIL-SOLUBLE, SUBSTANTIALLY WATER-INSOLUBLE, QUATERNARY AMMONIUM SALTS AND SOLUTIONS OF SAID SALTS IN OIL IN A CONCENTRATION NOT LESS THAN ABOUT 50%, WHEREBY CORROSION OF THE METAL CONTAINER IS SUBSTANTIALLY REDUCED.
References Cited (Backward Citations)
CA579933A
Cited
US1814053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |