Patent US4487643A successfully refreshed from Google Patents.
US3002829A
Expired / Lapsed
US
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Jet and rocket fuels and preparation thereof
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1958-04-01
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Granted: 1961-10-03
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Expires: 1978-04-01
Abstract
No abstract record available.
Inventors
- 👤 John J Kolfenbach
- 👤 Herbert K Wiese
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:35
CPC Classifications
C; C10; C10G; C10G69/00; C10G69/02; C10G69/06; C10L; C10L1/00; C10L1/04; C10G2400/00; C10G2400/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
AN IMPROVED JET FUEL CONSISTING ESSENTIALLY OF THE PRODUCT OBTAINED BY HEAT SOAKING FOR FROM 1/2 TO 6 HOURS AT 175* TO 250*F. A STEAM-CRACKED PETROLEUM HYDROCARBON BOILING IN THE RANGE OF ABOUT 75 TO 350*F. AND CONTAINING CYCLOPENTADIENE, METHYL CYCLOPENTADIENE AND DIMETHYL CYCLOPENTADIENE, TOPPING THE HEAT-SOAKED PRODUCT TO PRODUCE AS BOTTOMS A MATERIAL CONTAINING C10 AND HIGHER HYDROCARBONS CONSISTING OF A CRUDE MIXTURE OF DIMERS OF FROM 40 TO 75% CYCLOPENTADIENE AND OF FROM
Claim 2
Dependent Claim
75 words
AN IMPROVED JET FUEL CONSISTING ESSENTIALLY OF THE PRODUCT OBTAINED BY HEAT SOAKING FOR FROM 1/2 TO 6 HOURS AT 175* TO 250*F. A STEAM-CRACKED PETROLEUM HYDROCARBON BOILING IN THE RANGE OF ABOUT 75 TO 350*F. AND CONTAINING CYCLOPENTADIENE, METHYL CYCLOPENTADIENE AND DIMETHYL CYCLOPENTADIENE, TOPPING THE HEAT-SOAKED PRODUCT TO PRODUCE AS BOTTOMS A MATERIAL CONTAINING C10 AND HIGHER HYDROCARBONS CONSISTING OF A CRUDE MIXTURE OF DIMERS OF FROM 40 TO 75% CYCLOPENTADIENE AND OF FROM
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) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |