US2700652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inhibiting corrosion due to sulfur compounds
Assignee: Individual
•
Filing: 1951-02-23
•
Granted: 1955-01-25
•
Expires: 1971-02-23
Abstract
No abstract record available.
Inventors
- 👤 Paul D Menaul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:31
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/146; Y; Y10; Y10S; Y10S507/00; Y10S507/927; Y10S507/932; Y10S507/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
A METHOD OF INHIBITING CORROSION OF FERROUS METAL CONTACTED BY WATER CONTAINING A SOLUBLE SULFIDE COMPRISING COMMINGLING WITH SAID WATER A SUFFICIENT AMOUNT OF A WATER-SOLUBLE CYANAMIDE TO MATIGATE CORROSION OF SAID FERROUS METAL DUE TO SAID SULFIDE.
Claim 2
Independent Claim
38 words
A METHOD OF INHIBITING CORROSION OF FERROUS METAL CONTACTED BY WATER CONTAINING A SOLUBLE SULFIDE COMPRISING COMMINGLING WITH SAID WATER A SUFFICIENT AMOUNT OF A WATER-SOLUBLE CYANAMIDE TO MATIGATE CORROSION OF SAID FERROUS METAL DUE TO SAID SULFIDE.
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) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |