US3054750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for inhibiting corrosion caused by oil well fluids
Assignee: Sunoco Inc
•
Filing: 1957-06-07
•
Granted: 1962-09-18
•
Expires: 1977-06-07
Abstract
No abstract record available.
Inventors
- 👤 Samuel E Jolly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:43
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/144; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A METHOD FOR INHIBITING CORROSION NORMALLY CAUSED BY OIL WELL FLUIDS WHICH COMPRISES INTRODUCING INTO OIL WELL FLUIDS CONTAINING CORROSIVE AGENTS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN SULFIDE, CARBON DIOXIDE AND LOWER ORGENIC ACIDS, WHICH COME IN CONTACT WITH FERROUS METAL SURFACES, A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FORMULA
Claim 2
Independent Claim
55 words
A METHOD FOR INHIBITING CORROSION NORMALLY CAUSED BY OIL WELL FLUIDS WHICH COMPRISES INTRODUCING INTO OIL WELL FLUIDS CONTAINING CORROSIVE AGENTS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN SULFIDE, CARBON DIOXIDE AND LOWER ORGENIC ACIDS, WHICH COME IN CONTACT WITH FERROUS METAL SURFACES, A COMPOUND SELECTED FROM THE GROUP CONSISTING OF COMPOUNDS HAVING THE FORMULA
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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) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |