US2837432A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibitor
Assignee: Cromwell Paper Co
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Filing: 1955-04-15
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Granted: 1958-06-03
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Expires: 1975-04-15
Abstract
No abstract record available.
Inventors
- 👤 Stanley W Drigot
- 👤 John M Lebolt
- 👤 Lawrence I Minow
- 👤 Albert H Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:55
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A METHOD OF CONTROLLING THE DISSIPATION OF A VOLATILE CORROSION INHIBITOR INTO ITS VAPOR-STATE WHICH COMPRISES DISPERSING SAID VOLATILE CORROSION INHIBITOR IN A WATER-SOLUBLE WAX, WHEREBY, AS THE WAS SLOUGHS AT A RATE DETERMINED BY THE HUMIDITY OF THE SURROUNDING ATMOSPHERE, NEW SURFACES OF WAX AND INHIBITOR ARE SUCCESSIVELY EXPOSED, FROM WHICH SURFACES THE INHIBITOR VAPORIZES INTO THE SURROUNDING ATMOSPHERE.
Claim 2
Independent Claim
60 words
A METHOD OF CONTROLLING THE DISSIPATION OF A VOLATILE CORROSION INHIBITOR INTO ITS VAPOR-STATE WHICH COMPRISES DISPERSING SAID VOLATILE CORROSION INHIBITOR IN A WATER-SOLUBLE WAX, WHEREBY, AS THE WAS SLOUGHS AT A RATE DETERMINED BY THE HUMIDITY OF THE SURROUNDING ATMOSPHERE, NEW SURFACES OF WAX AND INHIBITOR ARE SUCCESSIVELY EXPOSED, FROM WHICH SURFACES THE INHIBITOR VAPORIZES INTO THE SURROUNDING ATMOSPHERE.
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) | 1961-06-02 | 1961-12-02 | 1962-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-02 | 1965-12-02 | 1966-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-02 | 1969-12-02 | 1970-06-03 | $7700.00 | Window Closed / Lapsed |