Patent US2723232A successfully refreshed from Google Patents.
US2723232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for inhibiting oil well corrosion
Assignee: California Research LLC
•
Filing: 1952-10-29
•
Granted: 1955-11-08
•
Expires: 1972-10-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Willard R Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:33
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/16; C23F11/162; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A PROCESS FOR INHIBITING CORROSION OF FERROUS METAL TUBING IN AN OIL WELL DELIVERING A PRODUCTION STREAM COMPRISING CRUDE OIL, WATER, AND CARBON DIOXIDE WHICH COMPRISES INTRODUCING A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
32 words
A PROCESS FOR INHIBITING CORROSION OF FERROUS METAL TUBING IN AN OIL WELL DELIVERING A PRODUCTION STREAM COMPRISING CRUDE OIL, WATER, AND CARBON DIOXIDE WHICH COMPRISES INTRODUCING A COMPOUND OF THE FORMULA
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) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |