US3051648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stability of hydrocarbon distillate
Assignee: Cities Service Research and Development Co
•
Filing: 1960-04-29
•
Granted: 1962-08-28
•
Expires: 1980-04-29
Abstract
No abstract record available.
Inventors
- 👤 Frederick G Hess
- 👤 Walter C Bradbury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:03
CPC Classifications
C; C10; C10G; C10G17/00; C10G17/095; C10G29/00; C10G29/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
29 words
THE PROCESS FOR IMPROVING THE STABILITY OF HYDROCARBON DISTILLATE FUEL WHICH COMPRISES CONTACTING THE SAME IN THE LIQUID PHASE IN AN ANHYDROUS ATMOSPHERE WITH A SUPPORTED ALUMINUM PHOSPHATE CATALYST.
Claim 2
Dependent Claim
29 words
THE PROCESS FOR IMPROVING THE STABILITY OF HYDROCARBON DISTILLATE FUEL WHICH COMPRISES CONTACTING THE SAME IN THE LIQUID PHASE IN AN ANHYDROUS ATMOSPHERE WITH A SUPPORTED ALUMINUM PHOSPHATE CATALYST.
References Cited (Backward Citations)
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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) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |