US2848414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corrosion inhibitor
Assignee: Universal Oil Products Co
•
Filing: 1955-11-23
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Granted: 1958-08-19
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Expires: 1975-11-23
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Chenicek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:16
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2633; C10L1/2658; C10M; C10M1/00; C10M1/08; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/167; C23F11/1673; C10M2201/00; C10M2201/02; C10M2207/00; C10M2207/40; C10M2207/404; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/043; C10N; C10N2030/00; C10N2030/12; C10N2040/00; C10N2040/135; C10N2040/20; C10N2040/22; C10N2040/24; C10N2040/241; C10N2040/242; C10N2040/243; C10N2040/244; C10N2040/245; C10N2040/246; C10N2040/247; C10N2050/00; C10N2050/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A NON-CORROSIVE COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A HYDROCARBON MATERIAL COMING IN CONTACT WITH WATER DURING THE USEFUL LIFE THEREOF, SAID HYDROCARBON MATERIAL HAVING DISSOLVED THEREIN A CORROSION INHIBITING AMOUNT OF AN ALKYL ACID PHOSPHATE SALT OF AN N-ALKYL DIAMINOALKANE OF THE GENERAL FORMULA
Claim 2
Dependent Claim
45 words
A NON-CORROSIVE COMPOSITION OF MATTER CONSISTING ESSENTIALLY OF A HYDROCARBON MATERIAL COMING IN CONTACT WITH WATER DURING THE USEFUL LIFE THEREOF, SAID HYDROCARBON MATERIAL HAVING DISSOLVED THEREIN A CORROSION INHIBITING AMOUNT OF AN ALKYL ACID PHOSPHATE SALT OF AN N-ALKYL DIAMINOALKANE OF THE GENERAL FORMULA
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) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |