US3035908A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stable gasoline motor fuels
Assignee: Gulf Research and Development Co
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Filing: 1959-08-10
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Granted: 1962-05-22
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Expires: 1979-08-10
Abstract
No abstract record available.
Inventors
- 👤 Ralph I Gottshall
- 👤 John G Peters
- 👤 Howard W Swain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:09
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/24; C10L1/2493
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
A GASOLINE MOTOR FUEL COMPOSITION COMPRISING A MAJOR AMOUNT OF A NORMALLY UNSTABLE HYDROCARBON MIXTURE BOILING IN THE GASOLINE RANGE AND A SMALL AMOUNT SUFFICIENT TO IMPROVE THE STABILITY OF THE MIXTURE, OF AN ADDITION PRODUCT OF AN OLEFIN OXIDE CONTAINING 2 TO 4 CARBON ATOMS PER MOLECULE AND A MEMBER OF THE GROUP CONSISTING OF (A) A SULFIDE-MODIFIED CONDENSATION PRODUCT OF AN ALIPHATIC ALDEHYDE CONTAINING 1 TO 4 CARBON ATOMS PER MOLECULE AND A SUBSTITUTED MONOHYDRIC PHENOL THAT IS UNSUBSTITUTED IN THE ORTHO POSITIONS AND THAT HAS A HYDROCARBON SUBSTITUENT CONTAINING 4 TO 18 CARBON ATOMS, SAID CONDENSATION PRODUCT CONTAINING AT LEAST ONE GRAM ATOMIC WEIGHT OF SULFUR PER GRAM MOLECULAR WEIGHT OF CONDENSATION PRODUCT AND CONTAINING 3 TO 11 PHENOLIC NUCLEI PER MOLECULE, AND (B) PARTIAL SALTS OF SAID SULFIDEMODIFIED CONDENSATION PRODUCTS AND A MEMBER OF THE GROUP CONSISTING OF ALKALI METALS, AMMONIA, LOW MOLECULAR WEIGHT AMINES, AND GROUP 11 METALS, THE SULFIDE WITH WHICH SAID CONDENSATION PRODUCT IS MODIFIED BEING A SUBSTANCE CAPABLE OF MAKING AVAILABLE FREE HYDROGEN SULFIDE IN THE CONDENSATION REACTION.
Claim 2
Dependent Claim
176 words
A GASOLINE MOTOR FUEL COMPOSITION COMPRISING A MAJOR AMOUNT OF A NORMALLY UNSTABLE HYDROCARBON MIXTURE BOILING IN THE GASOLINE RANGE AND A SMALL AMOUNT SUFFICIENT TO IMPROVE THE STABILITY OF THE MIXTURE, OF AN ADDITION PRODUCT OF AN OLEFIN OXIDE CONTAINING 2 TO 4 CARBON ATOMS PER MOLECULE AND A MEMBER OF THE GROUP CONSISTING OF (A) A SULFIDE-MODIFIED CONDENSATION PRODUCT OF AN ALIPHATIC ALDEHYDE CONTAINING 1 TO 4 CARBON ATOMS PER MOLECULE AND A SUBSTITUTED MONOHYDRIC PHENOL THAT IS UNSUBSTITUTED IN THE ORTHO POSITIONS AND THAT HAS A HYDROCARBON SUBSTITUENT CONTAINING 4 TO 18 CARBON ATOMS, SAID CONDENSATION PRODUCT CONTAINING AT LEAST ONE GRAM ATOMIC WEIGHT OF SULFUR PER GRAM MOLECULAR WEIGHT OF CONDENSATION PRODUCT AND CONTAINING 3 TO 11 PHENOLIC NUCLEI PER MOLECULE, AND (B) PARTIAL SALTS OF SAID SULFIDEMODIFIED CONDENSATION PRODUCTS AND A MEMBER OF THE GROUP CONSISTING OF ALKALI METALS, AMMONIA, LOW MOLECULAR WEIGHT AMINES, AND GROUP 11 METALS, THE SULFIDE WITH WHICH SAID CONDENSATION PRODUCT IS MODIFIED BEING A SUBSTANCE CAPABLE OF MAKING AVAILABLE FREE HYDROGEN SULFIDE IN THE CONDENSATION REACTION.
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) | 1965-05-21 | 1965-11-20 | 1966-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-21 | 1969-11-20 | 1970-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-21 | 1973-11-20 | 1974-05-22 | $7700.00 | Window Closed / Lapsed |