US3199965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid hydrocarbons
Assignee: ExxonMobil Oil Corp
•
Filing: 1964-06-25
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Granted: 1965-08-10
•
Expires: 1984-06-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Harry J Andress
- 👤 Paul Y C Gee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:54
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/224
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A LIQUID HYDROCARBON, NORMALLY HAVING A TENDENCY TO FORM SEDIMENT DURING STORAGE AND BEING FREE OF ANY ADDED IRON-CONTAINING MATERIAL, CONTAINING A STABILIZING AMOUNT OF A CONDENSATION REACTION PRODUCT OF CITRIC ACID AND A TERTIARY-ALKYL PRIMARY AMINE HAVING FROM ABOUT 6 TO ABOUT 30 CARBON ATOMS WITH A TERTIARY ALKYL GROUP ATTACHED TO A NITROGEN ATOM.
Claim 2
Dependent Claim
56 words
A LIQUID HYDROCARBON, NORMALLY HAVING A TENDENCY TO FORM SEDIMENT DURING STORAGE AND BEING FREE OF ANY ADDED IRON-CONTAINING MATERIAL, CONTAINING A STABILIZING AMOUNT OF A CONDENSATION REACTION PRODUCT OF CITRIC ACID AND A TERTIARY-ALKYL PRIMARY AMINE HAVING FROM ABOUT 6 TO ABOUT 30 CARBON ATOMS WITH A TERTIARY ALKYL GROUP ATTACHED TO A NITROGEN ATOM.
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) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |