US2993007A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nu-alkylheterocyclic nitroge-containing derivatives as corrosion-inhibitors
Assignee: General Mills Inc
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Filing: 1957-03-08
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Granted: 1961-07-18
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Expires: 1977-03-08
Abstract
No abstract record available.
Inventors
- 👤 Donald L Andersen
- 👤 Peter E Throckmorton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:12
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A PROCESS FOR CORROSION INHIBITION OF FERROUS SUBSTANCES INTIMATELY CONTACTED BY AQUEOUS MEDIA WHICH COMPRISES ADDING TO THE AQUEOUS MEDIA A FATTY ACID SALT OF A COMPOUND OF THE GENERAL FORMULA,
Claim 2
Dependent Claim
31 words
A PROCESS FOR CORROSION INHIBITION OF FERROUS SUBSTANCES INTIMATELY CONTACTED BY AQUEOUS MEDIA WHICH COMPRISES ADDING TO THE AQUEOUS MEDIA A FATTY ACID SALT OF A COMPOUND OF THE GENERAL FORMULA,
References Cited (Backward Citations)
GB438452A
Cited
US2239841A
Cited
US2692879A
Cited
US2597260A
Cited
US2773879A
Cited
US2829945A
Cited
US2850461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |