Patent US3200071A successfully refreshed from Google Patents.
US3200071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition and process for inhibiting corrosion of ferrous metal
Assignee: Baker Petrolite LLC
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Filing: 1961-11-01
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Granted: 1965-08-10
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Expires: 1981-11-01
Abstract
No abstract record available.
Inventors
- 👤 Verner L Stromberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:03
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A CORROSION INHIBITING COMPOSITION CONSISTING ESSENTIALLY OF A HYDROXYALIPHATIC IMIDAZOLINE, A CYCLOHEXYL AMINE AND NAPHTHALENE SULFONIC ACID, THE MOLAR RATIO OF SAID IMIDAZOLINE TO SAID AMINE TO SAID SULFONIC ACID BEING 1:2:2.
Claim 2
Dependent Claim
32 words
A CORROSION INHIBITING COMPOSITION CONSISTING ESSENTIALLY OF A HYDROXYALIPHATIC IMIDAZOLINE, A CYCLOHEXYL AMINE AND NAPHTHALENE SULFONIC ACID, THE MOLAR RATIO OF SAID IMIDAZOLINE TO SAID AMINE TO SAID SULFONIC ACID BEING 1:2:2.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |