US3042609A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prevention of corrosion in systems containing a corrosive aqueous medium
Assignee: Baker Petrolite LLC
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Filing: 1959-10-09
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Granted: 1962-07-03
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Expires: 1979-10-09
Abstract
No abstract record available.
Inventors
- 👤 William B Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:20
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/16; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
42 words
A PROCESS OF RPEVENTING CORROSION OF METALS IN WATER FLOODING AND WATER DISPOSAL SYSTEM WHICH IS CHARACTERIZED BY INJECTING INTO AN UNDERGROUND FORMATION AN AQUEOUS SOLUTION OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ALDEHYDE SULFOXYLATE AND A SALT THEREOF.
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) | 1965-07-02 | 1966-01-01 | 1966-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-02 | 1970-01-01 | 1970-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-02 | 1974-01-01 | 1974-07-03 | $7700.00 | Window Closed / Lapsed |