US3024201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibiting composition and method
Assignee: ChampionX LLC
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Filing: 1956-06-04
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Granted: 1962-03-06
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Expires: 1976-06-04
Abstract
No abstract record available.
Inventors
- 👤 Jacob I Bregman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:04
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/18; C23F11/187
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A PROCESS OF INHIBITING THE CORROSION OF METALS IN CONTACTS WITH A CORROSIVE MEDIUM CONTAINING WATER WHICH COMPRISES DISSOLVING IN SAID MEDIUM A CORROSION INHIBITING COMPOSITION CONSISTING ESSENTIALLY OF (A) 50 TO 98 WEIGHT PERCENT, CALCULATED AS NA2CR2O7.2H2O. OF AN IONIZABLE HEXAVALENT CHROMIUM COMPOUND AND (B) 2 TO 15 WEIGHT PERCENT, CALCUALTED AS NA2CR2O7,2H2O, OF AN AN IONIZABLE COMPOUND FROM THE GROUP CONSISTING OF HEXAVALENT MOYBDENUM AND HEXAVALENT TUNGSTEN COMPOUNDS, THE WEIGHT RATIO OF (A) TO (B) BEING WITHIN THE RANGE FROM 1:0,02 TO 1:093
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-05 | 1965-09-04 | 1966-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-05 | 1969-09-04 | 1970-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-05 | 1973-09-04 | 1974-03-06 | $7700.00 | Window Closed / Lapsed |