US2799649A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for inhibiting corrosion
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1954-07-14
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Granted: 1957-07-16
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Expires: 1974-07-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Caldwell
- 👤 Melba L Lytle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:41
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/173; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A METHOD FOR REDUCING THE CORROSIVENESS TO CORRODIBLE FERROUS METAL OF A CORRESIVE FLUID INCLUDING MOISTUREE AND AN ACID COMPONENT IN CONTACT WITH SAID METAL WHICH COMPRISES INTRODUCING INTO SAID FLUID A CORROSION-INHIBITING AMOUNT OF A POLYALKYLENE GLYCOL HAVING A MOLECULAR WEIGHT IN THE RANGE BETWEEN ABOUT 200 AND ABOUT 2000.
Claim 2
Independent Claim
51 words
A METHOD FOR REDUCING THE CORROSIVENESS TO CORRODIBLE FERROUS METAL OF A CORRESIVE FLUID INCLUDING MOISTUREE AND AN ACID COMPONENT IN CONTACT WITH SAID METAL WHICH COMPRISES INTRODUCING INTO SAID FLUID A CORROSION-INHIBITING AMOUNT OF A POLYALKYLENE GLYCOL HAVING A MOLECULAR WEIGHT IN THE RANGE BETWEEN ABOUT 200 AND ABOUT 2000.
References Cited (Backward Citations)
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |