Patent US3932960A successfully refreshed from Google Patents.
Patent US2848298A successfully refreshed from Google Patents.
US2848298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor-phase corrosion inhibition
Assignee: Dearborn Chemical Co
•
Filing: 1954-11-23
•
Granted: 1958-08-19
•
Expires: 1974-11-23
Abstract
No abstract record available.
Inventors
- 👤 Ross Frank
- 👤 Mellick Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:06
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
A COMPOSITION CONSISTING ESSENTIALLY OF A MIXTURE OF (A) A SALT OF A C6-C10 ALKANOIC ACID AND A METAL SELECTED FROM THE FIRST TWO "A" GROUPS OF THE PERIODIC SYSTEM, (B) A SALT OF NITROUS ACID AND A METAL SELECTED FROM THE FIRST TWO "A" GROUPS OF THE PERIODIC SYSTEM, AND (C) A DI-ALKALI METAL PHOSPHATE; THE WEIGHT RATION OF (A): (B) BEING 1:10 TO 10:1 AND THE WEIGHT RATIO OF (A) PLUS (B): (C) BEING 50:1 TO 10:1.
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) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |