Patent US2831799A successfully refreshed from Google Patents.
US2831799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for stabilizing fuel oils with
Assignee: —
•
Filing: —
•
Granted: 1958-04-22
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Expires: 1975-04-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:23
CPC Classifications
C; C10; C10G; C10G25/00; C10G25/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A METHOD FOR STABILIZING HEATING OIL WITH RESPECT TO AT LEAST ONE OF COLOR AND SEDIMENTATION WHICH COMPRISES CONTACTING A HEATING OIL COMPRISING AT LEAST 20 PERCENT CATALYTICALLY CRACKED HEATING WITH A STRONGLY BASIC ANION EXCHANGE RESIN WHICH HAS PREVIOUSLY BEEN ACTIVATED BY CONTACT WITH AN ALIPHATIC MONOHYDRIC ALCOHOL HAVING 1 TO 5 CARBON ATOMS, AND SEPARATING CONTACTED HEATING OIL FROM SAID STRONGLY BASIC ANION EXCHANGE RESIN.
Claim 2
Independent Claim
67 words
A METHOD FOR STABILIZING HEATING OIL WITH RESPECT TO AT LEAST ONE OF COLOR AND SEDIMENTATION WHICH COMPRISES CONTACTING A HEATING OIL COMPRISING AT LEAST 20 PERCENT CATALYTICALLY CRACKED HEATING WITH A STRONGLY BASIC ANION EXCHANGE RESIN WHICH HAS PREVIOUSLY BEEN ACTIVATED BY CONTACT WITH AN ALIPHATIC MONOHYDRIC ALCOHOL HAVING 1 TO 5 CARBON ATOMS, AND SEPARATING CONTACTED HEATING OIL FROM SAID STRONGLY BASIC ANION EXCHANGE RESIN.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |