US2596450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion-inhibiting coating composition containing organic amine nitrites
Assignee: Shell Development Co
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Filing: 1946-10-28
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Granted: 1952-05-13
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Expires: 1966-10-28
Abstract
No abstract record available.
Inventors
- 👤 Wachter Aaron
- 👤 Stillman Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:05
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/08; C09D5/082; C09D5/086; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/141; C23F11/143
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
53 words
A CORROSION-INHIBITING COMPOSITION ESSENTIALLY COMPRISING A COATING MATERIAL CAPABLE OF FORMING A SUBSTANTIALLY NON-FLUENT COHERENT COATING ADHERENT ON THE SURFACE OF A SOLID METAL, AND AN AMOUNT OF AN ORGANIC BASE NITRITE SUFFICIENT TO RENDER THE COATING CORROSION-INHIBITING, SAID AMOUNT BEING ABOUT 10% BY WEIGHT BASED UPON THE WEIGHT OF SAID COATING MATERIAL.
References Cited (Backward Citations)
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Cited
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US2308282A
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US2333206A
Cited
US2321517A
Cited
US2402551A
Cited
US2419327A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-13 | 1955-11-12 | 1956-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-13 | 1959-11-12 | 1960-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-13 | 1963-11-12 | 1964-05-13 | $7700.00 | Window Closed / Lapsed |