Patent US3337472A successfully refreshed from Google Patents.
US3337472A
Expired / Lapsed
US
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Composition for inhibiting corrosion
Assignee: Union Oil Company of California
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Filing: 1966-04-08
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Granted: 1967-08-22
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Expires: 1986-04-08
Abstract
No abstract record available.
Inventors
- 👤 Robert L Littler
- 👤 Glenn A Marsh
- 👤 Schaschl Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:57
CPC Classifications
C; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C10L1/224; C10L1/232; Y; Y10; Y10S; Y10S507/00; Y10S507/939
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A CORROSION INHIBITING COMPOSITION CONSISTING OF THE FOLLOWING THREE COMPONENTS: (1) ABOUT 0.5 PART BY WEIGHT OF AN ACYL DERIVATIVE OF N-ALKYL AMINO ACETIC ACID OF THE FORMULA:
Claim 2
Dependent Claim
28 words
A CORROSION INHIBITING COMPOSITION CONSISTING OF THE FOLLOWING THREE COMPONENTS: (1) ABOUT 0.5 PART BY WEIGHT OF AN ACYL DERIVATIVE OF N-ALKYL AMINO ACETIC ACID OF THE FORMULA:
References Cited (Backward Citations)
US3201411A
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US2468163A
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US2736658A
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US2790779A
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US2945821A
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US3034907A
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US3119447A
Cited
US3116252A
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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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |