US3397152A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibitor composition and process
Assignee: Armour and Co
•
Filing: 1965-10-23
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Granted: 1968-08-13
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Louise H Brown
- 👤 Swidler Ronald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:22
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/141; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
18 words
A CORROSION INHIBITOR COMPOSITION CONSISTING ESSENTIALLY OF AN EFFECTIVE CORROSION INHIBITING AMOUNT OF AN AMINE HAVING 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) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |