US2905644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anticorrosion agent
Assignee: Commercial Solvents Corp
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Filing: 1956-07-24
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Granted: 1959-09-22
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Expires: 1976-07-24
Abstract
No abstract record available.
Inventors
- 👤 George N Butter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:34
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A CORROSION INHIBITING COMPOSITION COMPRISING A MINERAL OIL SOLVENT IN A MAJOR AMOUNT, BASED ON THE WEIGHT OF THE COMPOSITION AND FROM ABOUT 0.04% TO 10% OF A SUBSTITUTED OXAZOLINE HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
34 words
A CORROSION INHIBITING COMPOSITION COMPRISING A MINERAL OIL SOLVENT IN A MAJOR AMOUNT, BASED ON THE WEIGHT OF THE COMPOSITION AND FROM ABOUT 0.04% TO 10% OF A SUBSTITUTED OXAZOLINE HAVING THE STRUCTURAL FORMULA
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) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |