Patent US2691631A successfully refreshed from Google Patents.
US2691631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of inhibiting corrosion
Assignee: ExxonMobil Oil Corp
•
Filing: 1951-04-19
•
Granted: 1954-10-12
•
Expires: 1971-04-19
Abstract
No abstract record available.
Inventors
- 👤 Alvin V Metler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:39
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2443; C10L1/2456; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE PROCESS FOR INHIBITING CORROSION OF FERROUS METAL IN CONTACT WITH A LIQUID COMPRISING WATER, SAID WATER PRIOR TO CONTACT WITH SAID FERROUS METAL HAVING BEEN IN CONTACT WITH PETROLEUM HYDROCARBON AND AS A RESULT OF SAID CONTACT WITH SAID PETROLEUM HYDROCARBON HAVING EXTRACTED FROM SAID PETROLUEM HYDROCARBON A WATER-SOLUBLE COMPOUND CORROSIVE TO SAID FERROUS METAL, WHICH PROCESS COMPRISES ADMIXING WITH SAID LIQUID PRIOR TO CONTACT WITH SAID FERROUS METAL AS THE SOLE CORROSION INHIBITING AGENT SODIUM MERCAPTOBENZOTHIAZOLE IN CORROSION INHIBITING AMOUNT.
Claim 2
Dependent Claim
82 words
THE PROCESS FOR INHIBITING CORROSION OF FERROUS METAL IN CONTACT WITH A LIQUID COMPRISING WATER, SAID WATER PRIOR TO CONTACT WITH SAID FERROUS METAL HAVING BEEN IN CONTACT WITH PETROLEUM HYDROCARBON AND AS A RESULT OF SAID CONTACT WITH SAID PETROLEUM HYDROCARBON HAVING EXTRACTED FROM SAID PETROLUEM HYDROCARBON A WATER-SOLUBLE COMPOUND CORROSIVE TO SAID FERROUS METAL, WHICH PROCESS COMPRISES ADMIXING WITH SAID LIQUID PRIOR TO CONTACT WITH SAID FERROUS METAL AS THE SOLE CORROSION INHIBITING AGENT SODIUM MERCAPTOBENZOTHIAZOLE IN CORROSION INHIBITING AMOUNT.
References Cited (Backward Citations)
US1797401A
Cited
US2474603A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-11 | 1958-04-12 | 1958-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-11 | 1962-04-12 | 1962-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-11 | 1966-04-12 | 1966-10-12 | $7700.00 | Window Closed / Lapsed |