Patent US3553150A successfully refreshed from Google Patents.
US3553150A
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Tertiary alkyl amine and alkyl acid phosphate corrosion inhibitor composition
Assignee: Universal Oil Products Co
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Filing: 1968-08-20
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Granted: 1971-01-05
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Expires: 1988-08-20
Abstract
Abstract CORROSION INHIBITOR COMPOSITION OF (1) ONE BASIC EQUIVALENT PROPORTION OF TERTIARY ALKYL PRIMARY AMINE OF 6-30 CARBON ATOMS AND (2) AT LEAST TWO ACIDIC EQUILVALENT PROPORTIONS OF ALKYL ACID PHOSPHATE OF 6-20 CARBON ATOMS. THE COMPOSITION ALSO MAY CONTAIN ORGANIC ACID. THE COMPOSITION IS PARTICULARLY USEFUL TO INHIBIT PIPE LINE AND STORAGE CORROSION OF HYDROCARBON OILS.
Inventors
- 👤 Robert H Rosenwald
- 👤 Leonhard A Goeller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:17
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10M; C10M141/00; C10M141/10; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/122; C10M2207/123; C10M2207/125; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/142; C10M2207/144; C10M2207/146; C10M2207/22; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/24; C10M2215/26; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/043; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |