US3039860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-substituted-alkenylsuccinimides in distillate fuels
Assignee: ExxonMobil Oil Corp
•
Filing: 1959-06-18
•
Granted: 1962-06-19
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Expires: 1979-06-18
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
2026-10-26 08:17
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D207/36; C07D207/40; C07D207/404; C07D207/408; C07D207/412; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/224; C10L1/234; C10L1/238; C10L1/2383
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A PETROLEUM DISTILLATE FUEL CONTAINING BETWEEN ABOUT ONE POUND PER THOUSAND BARRELS OF FUEL AND ABOUT 200 POUNDS PER THOUSAND BARRELS OF FUEL OF AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF (1) N-CARBOXYMETHYL-ALKENYL-SUCCINIMIDES, CONTAINING BETWEEN ABOUT 8 CARBON ATOMS AND ABOUT 35 CARBON ATOMS IN THE ALKENYL GROUP THEREOF, (2) N-(O-CARBOXYPHENYL)-ALKENYLSUCCINIMIDES CONTAINING BEWTEEN ABOUT 8 CARBON ATOMS AND ABOUT 35 CARBON ATOMS IN THE ALKENYL GROUP THEREOF, AND (3) AMINE SALTS OF (1) AND (2) WITH TERTIARYALKYL PRIMARY AMINES HAVING A TERTIARY CARBON ATOM ATTACHED TO THE NITROGEN ATOM AND HAVING BETWEEN ABOUT 6 CARBON ATOMS AND ABOUT 30 CARBON ATOMS PER MOLECULE.
Claim 2
Dependent Claim
106 words
A PETROLEUM DISTILLATE FUEL CONTAINING BETWEEN ABOUT ONE POUND PER THOUSAND BARRELS OF FUEL AND ABOUT 200 POUNDS PER THOUSAND BARRELS OF FUEL OF AT LEAST ONE MATERIAL SELECTED FROM THE GROUP CONSISTING OF (1) N-CARBOXYMETHYL-ALKENYL-SUCCINIMIDES, CONTAINING BETWEEN ABOUT 8 CARBON ATOMS AND ABOUT 35 CARBON ATOMS IN THE ALKENYL GROUP THEREOF, (2) N-(O-CARBOXYPHENYL)-ALKENYLSUCCINIMIDES CONTAINING BEWTEEN ABOUT 8 CARBON ATOMS AND ABOUT 35 CARBON ATOMS IN THE ALKENYL GROUP THEREOF, AND (3) AMINE SALTS OF (1) AND (2) WITH TERTIARYALKYL PRIMARY AMINES HAVING A TERTIARY CARBON ATOM ATTACHED TO THE NITROGEN ATOM AND HAVING BETWEEN ABOUT 6 CARBON ATOMS AND ABOUT 30 CARBON ATOMS PER MOLECULE.
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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) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |