Patent US2965577A successfully refreshed from Google Patents.
US2965577A
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US
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Corrosion inhibitor composition and method of using same
Assignee: Technion Research and Development Foundation Ltd
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Filing: 1957-02-01
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Granted: 1960-12-20
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Expires: 1977-02-01
Abstract
No abstract record available.
Inventors
- 👤 Heimann Hugo
- 👤 Kohn David Harry
- 👤 Israel Yecheskel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:43
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/02; C23G1/04; C23G1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A CORROSION INHIBITOR COMPOSITION FOR ADIDTION TO AQUEOUS SOLUTIONS, CAPABLE OF CAUSING ACIDIC CORROSION ZINC AND ALUMINUM SURFACES, CONSISTING ESSENTIALLY OF A MIXTURE OF AT LEAST ONE ALDEHYDE COMPOUND SELECTED FROM THE GROUP CONSISTING OF BENZALDEHYDE, FURFURALDEHYDE, PHENYL ACETALDEHYDE, ALPHA NAPHTHALDEHYDE, AND AT LEAST ONE BASIC N-CONTAINING AROMATIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF NICOTINE, CONCHONINE, ANILINE, QUINOLINE, AND PYRIDINE, THE QUANTITY USED OF EACH OF SAID COMPOUNDS BEING SUFFICIENT TO PREVENT CORROSION WHEN USED IN COMBINATION.
Claim 2
Dependent Claim
78 words
A CORROSION INHIBITOR COMPOSITION FOR ADIDTION TO AQUEOUS SOLUTIONS, CAPABLE OF CAUSING ACIDIC CORROSION ZINC AND ALUMINUM SURFACES, CONSISTING ESSENTIALLY OF A MIXTURE OF AT LEAST ONE ALDEHYDE COMPOUND SELECTED FROM THE GROUP CONSISTING OF BENZALDEHYDE, FURFURALDEHYDE, PHENYL ACETALDEHYDE, ALPHA NAPHTHALDEHYDE, AND AT LEAST ONE BASIC N-CONTAINING AROMATIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF NICOTINE, CONCHONINE, ANILINE, QUINOLINE, AND PYRIDINE, THE QUANTITY USED OF EACH OF SAID COMPOUNDS BEING SUFFICIENT TO PREVENT CORROSION WHEN USED IN COMBINATION.
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) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |