Patent US2731324A successfully refreshed from Google Patents.
US2731324A
Expired / Lapsed
US
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Corrosion inhibitor containing alkanoyloxyacetic acid and method of using same
Assignee: Sinclair Refining Co
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Filing: 1951-09-07
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Granted: 1956-01-17
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Expires: 1971-09-07
Abstract
No abstract record available.
Inventors
- 👤 Lester W Kalinowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:56
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
AN ARTICLE OF MANUFACTURE WHICH IS USEFUL IN THE PACKAGING OF METAL OBJECTS IN ORDER TO PREVENT THEIR CORROSION, SAID ARTICLE BEING A MATERIAL TO WHICH HAS BEEN APPLIED A VAPOR PHASE CORROSION INHIBITING COMPOSITION CONSISTING ESSENTIALLY OF A NON-VOLATILE HEAVY HYDROCARBON VEHICLE AND ABOUT 3 PER CENT TO 10 PER CENT BY WEIGHT BASED ON THE TOTAL COMPOSITION OF AN ALKANOYLOXYACETIC ACID HAVING FROM 8 TO 12 CARBON ATOMS IN THE ALKANOYL GROUP.
Claim 2
Dependent Claim
74 words
AN ARTICLE OF MANUFACTURE WHICH IS USEFUL IN THE PACKAGING OF METAL OBJECTS IN ORDER TO PREVENT THEIR CORROSION, SAID ARTICLE BEING A MATERIAL TO WHICH HAS BEEN APPLIED A VAPOR PHASE CORROSION INHIBITING COMPOSITION CONSISTING ESSENTIALLY OF A NON-VOLATILE HEAVY HYDROCARBON VEHICLE AND ABOUT 3 PER CENT TO 10 PER CENT BY WEIGHT BASED ON THE TOTAL COMPOSITION OF AN ALKANOYLOXYACETIC ACID HAVING FROM 8 TO 12 CARBON ATOMS IN THE ALKANOYL GROUP.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |