US2824782A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibitors and method
Assignee: Dearborn Chemical Co
•
Filing: 1955-10-04
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Granted: 1958-02-25
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Expires: 1975-10-04
Abstract
No abstract record available.
Inventors
- 👤 Ross Frank
- 👤 Mellick Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:00
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A PACKAGING MATERIAL FOR INHIBITING RUSTING AND CORROSION OF METALLIC ARTICLES PACKAGED THEREIN, COMPRISING AN INERT POROUS SOLID CARRIER CONTAINING AN EFFECTIVE QUANTITY OF A VAPOR-PHASE CORROSION INHIBITOR CONSISTING ESSENTIALLY OF AN ACID SALT HAVING THE FORMULA:
Claim 2
Dependent Claim
37 words
A PACKAGING MATERIAL FOR INHIBITING RUSTING AND CORROSION OF METALLIC ARTICLES PACKAGED THEREIN, COMPRISING AN INERT POROUS SOLID CARRIER CONTAINING AN EFFECTIVE QUANTITY OF A VAPOR-PHASE CORROSION INHIBITOR CONSISTING ESSENTIALLY OF AN ACID SALT HAVING THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-02-24 | 1961-08-26 | 1962-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-02-24 | 1965-08-26 | 1966-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-02-24 | 1969-08-26 | 1970-02-25 | $7700.00 | Window Closed / Lapsed |