US2695222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of blended burner oils
Assignee: Universal Oil Products Co
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Filing: 1951-06-14
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Granted: 1954-11-23
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Expires: 1971-06-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Chenicek
- 👤 Ralph B Thompson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:36
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C10L1/2225
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A BLENDED BURNER OIL CONTAINING, AS A RETARDANT OF SEDIMENT FORMATION IN STORAGE, FROM ABOUT 0.0005% TO ABOUT 1% BY WEIGHT OF A PRIMARY ALKANOL AMINE HAVING AN ALKYL GROUP OF AT LEAST 6 CARBON ATOMS IN STRAIGHT CHAIN ARRANGEMENT AND CONTAINING NOT MORE THAN 20 CARBON ATOMS PER MOLECULE AND IN WHICH THE AMINO AND HYDROXYL GROUPS ARE ATTACHED TO ADJACENT CARBON ATOMS.
Claim 2
Dependent Claim
64 words
A BLENDED BURNER OIL CONTAINING, AS A RETARDANT OF SEDIMENT FORMATION IN STORAGE, FROM ABOUT 0.0005% TO ABOUT 1% BY WEIGHT OF A PRIMARY ALKANOL AMINE HAVING AN ALKYL GROUP OF AT LEAST 6 CARBON ATOMS IN STRAIGHT CHAIN ARRANGEMENT AND CONTAINING NOT MORE THAN 20 CARBON ATOMS PER MOLECULE AND IN WHICH THE AMINO AND HYDROXYL GROUPS ARE ATTACHED TO ADJACENT CARBON ATOMS.
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) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |