US2799648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inhibition of corrosion
Assignee: Texaco Inc
•
Filing: 1953-07-29
•
Granted: 1957-07-16
•
Expires: 1973-07-29
Abstract
No abstract record available.
Inventors
- 👤 Charles C Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:25
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
41 words
A METHOD FOR INHIBITING A BODY OF FERROUS METAL AGAINST CORROSION BY AN ACIDIC WATER SOLUTION WHICH COMPRISES IN THE PRESENCE OF SUCH A SOLUTION MAINTAINING IN CONTACT WITH SUCH A BODY AT LEAST ONE THIOUREA COMPOUND CORRESPONDING TO THE FORMULA
Claim 2
Independent Claim
41 words
A METHOD FOR INHIBITING A BODY OF FERROUS METAL AGAINST CORROSION BY AN ACIDIC WATER SOLUTION WHICH COMPRISES IN THE PRESENCE OF SUCH A SOLUTION MAINTAINING IN CONTACT WITH SUCH A BODY AT LEAST ONE THIOUREA COMPOUND CORRESPONDING TO THE FORMULA
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US2238651A
Cited
US2225294A
Cited
US2474603A
Cited
US2596273A
Cited
US2618605A
Cited
US2698295A
Cited
US2728727A
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 |