US3652240A
Expired / Lapsed
US
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Detergent motor fuel composition
Assignee: Texaco Inc
•
Filing: 1970-03-26
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Granted: 1972-03-28
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Expires: 1990-03-26
Abstract
Abstract Detergent motor fuel composition containing a carbamate represented by the formula: IN WHICH R is a hydrocarbyl radical having from about 12 to 20 carbon atoms and R'' is hydrogen or an alkyl radical having from one to two carbon atoms and x has a value from 2 to 4.
Inventors
- 👤 Peter Dorn
- 👤 Kenneth L Dille
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:05
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
22 words
A motor fuel composition according to claim 1 in which R is an aliphatic radical having from 16 to 18 carbon atoms.
Claim 2
Dependent Claim
16 words
A motor fuel composition according to claim 1 in which x has a value of 3.
References Cited (Backward Citations)
US2839372A
Cited
US3468639A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-03-28 | 1975-09-27 | 1976-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-28 | 1979-09-27 | 1980-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-28 | 1983-09-27 | 1984-03-28 | $7700.00 | Window Closed / Lapsed |