US3925031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel and oil additive
Assignee: Individual
•
Filing: 1970-07-23
•
Granted: 1975-12-09
•
Expires: 1990-07-23
Abstract
Abstract A fuel and oil additive comprising a composition of matter containing napthalene, camphor, toluene, benzyl alcohol, and gasoline. The composition may additionally contain a small amount of a lower alcohol such as isopropyl alcohol or ethyl alcohol.
Inventors
- 👤 Eugenio G Villacampa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:44
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/16; C10L1/1608; C10L1/1616; C10L1/18; C10L1/182; C10L1/1822; C10L1/1824; C10L1/185; C10L1/1857
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
40 words
A LIQUID COMPOUND OF MATTER COMPRISING: 16 TO 19.5 WEIGHT PERCENT NAPHTHALENE. 6 TO 8.7 WEIGHT PERCENT CAMPHOR. 28 TO 42 WEIGHT PERCENT OF A GASOLINE FRACTION, 36 TO 45 WEIGHT PERCENT TOLUENE, AND 1.8 TO 3.0 WEIGHT PERCENT ALCOHOL.
Claim 2
Dependent Claim
40 words
A LIQUID COMPOUND OF MATTER COMPRISING: 16 TO 19.5 WEIGHT PERCENT NAPHTHALENE. 6 TO 8.7 WEIGHT PERCENT CAMPHOR. 28 TO 42 WEIGHT PERCENT OF A GASOLINE FRACTION, 36 TO 45 WEIGHT PERCENT TOLUENE, AND 1.8 TO 3.0 WEIGHT PERCENT ALCOHOL.
Claim 3
Dependent Claim
22 words
The composition of claim 1 further comprising: up to 1.0 weight percent of an alkyl alcohol of 1 to 8 carbon atoms.
Claim 4
Dependent Claim
41 words
The composition of claim 1 comprising: 18.5 to 18.75 weight percent naphthalene 7.0 to 7.25 weight percent camphor, 33 to 37 weight percent of a gasoline fraction, 38 to 42 weight percent toluene, and 2 to 3 weight percent benzyl alcohol.
Claim 5
Dependent Claim
22 words
The composition of claim 3 further comprising: up to 1.6 weight percent of an alkyl alcohol of 1 to 8 carbon atoms.
Claim 6
Dependent Claim
12 words
The composition of claim 4 wherein said alkyl alcohol is isopropyl alcohol.
References Cited (Backward Citations)
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US1474982A
Cited
US1587899A
Cited
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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) | 1978-12-08 | 1979-06-09 | 1979-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-08 | 1983-06-09 | 1983-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-08 | 1987-06-09 | 1987-12-09 | $7700.00 | Window Closed / Lapsed |