US3249540A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized mineral oil compositions
Assignee: ExxonMobil Oil Corp
•
Filing: 1964-01-20
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Granted: 1966-05-03
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Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Paul Y C Gee
- 👤 Jr Harry J Andress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:59
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/224; C10M; C10M1/00; C10M1/08; C10M2215/00; C10M2215/12; C10M2215/20; C10M2215/202; C10M2215/204; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A LIQUID MINERAL OIL CONTAINING A SMALL AMOUNT SUFFICIENT TO INHIBIT CORROSION OF SAID OIL OF A DIVALENT METAL SALT OF THE REACTION PRODUCT OF ITACONIC ACID AND MIXTURE OF ALIPHATIC HYDROCARBYL PRIMARY BRANCHED-CHAIN AMINES HAVING FROM ABOUT 4 TO ABOUT 30 CARBON ATOMS PER MOLECULE.
Claim 2
Dependent Claim
46 words
A LIQUID MINERAL OIL CONTAINING A SMALL AMOUNT SUFFICIENT TO INHIBIT CORROSION OF SAID OIL OF A DIVALENT METAL SALT OF THE REACTION PRODUCT OF ITACONIC ACID AND MIXTURE OF ALIPHATIC HYDROCARBYL PRIMARY BRANCHED-CHAIN AMINES HAVING FROM ABOUT 4 TO ABOUT 30 CARBON ATOMS PER MOLECULE.
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) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |