US3015546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasolines inhibited against the formation of deposits, sludge and varnish
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1958-10-28
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Granted: 1962-01-02
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Expires: 1978-10-28
Abstract
No abstract record available.
Inventors
- 👤 Adlai E Michaels
- 👤 Winward Antony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:52
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/234; C10L1/236; C10L1/2368
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A GASSOLINE TO WHICH HAS BEEN ADDED FROM ABOUT 0.001 WT. PERCENT TO ABOUT 0.5 WT. PERCENT OF A TRIPOLYMER PREPARED BY THE COPOLYMERIZATION OF FROM ABOUT 25 TO ABOUT 60 MOL PERCENT OF AN ESTER OF AN UNSUNSTITUTED C8 TO C24 ALIPHATIC ALCOHOL AND AN UNSATURATED CONJUGATED C4 TO C5 DIBASIC ACID, ABOUT 15 TO 60 MOL PERCENT OF A VINYL ESTER OF A C2 TO C4 ACID AND ABOUT 5 TO 35 MOL PERCENT OF AN N-VINYL AMIDE HAVING THE FORMULA
Claim 2
Dependent Claim
83 words
A GASSOLINE TO WHICH HAS BEEN ADDED FROM ABOUT 0.001 WT. PERCENT TO ABOUT 0.5 WT. PERCENT OF A TRIPOLYMER PREPARED BY THE COPOLYMERIZATION OF FROM ABOUT 25 TO ABOUT 60 MOL PERCENT OF AN ESTER OF AN UNSUNSTITUTED C8 TO C24 ALIPHATIC ALCOHOL AND AN UNSATURATED CONJUGATED C4 TO C5 DIBASIC ACID, ABOUT 15 TO 60 MOL PERCENT OF A VINYL ESTER OF A C2 TO C4 ACID AND ABOUT 5 TO 35 MOL PERCENT OF AN N-VINYL AMIDE HAVING THE 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) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |