Patent US4313071A successfully refreshed from Google Patents.
Patent US2873178A successfully refreshed from Google Patents.
US2873178A
Expired / Lapsed
US
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Process for gelling distillate hydrocarbon fuels
Assignee: EIDP Inc
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Filing: 1956-08-28
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Granted: 1959-02-10
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Expires: 1976-08-28
Abstract
No abstract record available.
Inventors
- 👤 Biswell Charles Bedford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:52
CPC Classifications
C; C10; C10L; C10L7/00; C10L7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A PROCESS FOR GELLING LIQUID HYDROCARBON FUELS BOILING IN THE GASOLINE AND FUEL OIL RANGE, WHICH PROCESS CONSISTS OF INCORPORATING INTO SAID FUEL AT LEAST 0.05% BY WEIGHT OF CUPRIC COPPER, SAID COPPER BEING ADDED AS A FUEL-SOLUBLE CUPRIC CARBOXYLATE, AND, AT LEAST 0.05% BY WEIGHT OF MERCAPTAN SULFUR, SAID SULFUR BEING TAKEN FROM THE GROUP CONSISTING OF A PRIMARY ALIPHATIC MERCAPTAN OF AT LEAST 4 CARBON ATOMS AND A MIXTURE OF SAID ALIPHATIC MERCAPTAN WITH AN AROMATIC MERCAPTAN, SAID MIXTURE CONTAINING AT LEAST ABOUT AN EQUAL PART OF PRIMARY ALIPHATIC MERCAPTAN SULFUR.
Claim 2
Dependent Claim
93 words
A PROCESS FOR GELLING LIQUID HYDROCARBON FUELS BOILING IN THE GASOLINE AND FUEL OIL RANGE, WHICH PROCESS CONSISTS OF INCORPORATING INTO SAID FUEL AT LEAST 0.05% BY WEIGHT OF CUPRIC COPPER, SAID COPPER BEING ADDED AS A FUEL-SOLUBLE CUPRIC CARBOXYLATE, AND, AT LEAST 0.05% BY WEIGHT OF MERCAPTAN SULFUR, SAID SULFUR BEING TAKEN FROM THE GROUP CONSISTING OF A PRIMARY ALIPHATIC MERCAPTAN OF AT LEAST 4 CARBON ATOMS AND A MIXTURE OF SAID ALIPHATIC MERCAPTAN WITH AN AROMATIC MERCAPTAN, SAID MIXTURE CONTAINING AT LEAST ABOUT AN EQUAL PART OF PRIMARY ALIPHATIC MERCAPTAN SULFUR.
References Cited (Backward Citations)
US1749171A
Cited
US2350544A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |