US3244491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sludge inhibited fuel oil compositions
Assignee: Armour and Co
•
Filing: 1962-08-14
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Granted: 1966-04-05
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Expires: 1982-08-14
Abstract
No abstract record available.
Inventors
- 👤 Byron E Marsh
- 👤 Donald J Tucek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:55
CPC Classifications
C; C07; C07C; C07C255/00; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/228; C10L1/2286
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
37 words
AN IMPROVED SLUDGE INHIBITED FUEL OIL COMPOSITION HAVING LITTLE TENDENCY TO FORM EMULSIONS, CONSISTING ESSENTIALLY OF FUEL OIL AND FROM ABOUT 0900010 TO ABOUT 2.0 WEIGHT PERCENT OF A SALT OF A CYANOETHYLATED AMINE HAVING THE FORMULA
Claim 2
Dependent Claim
37 words
AN IMPROVED SLUDGE INHIBITED FUEL OIL COMPOSITION HAVING LITTLE TENDENCY TO FORM EMULSIONS, CONSISTING ESSENTIALLY OF FUEL OIL AND FROM ABOUT 0900010 TO ABOUT 2.0 WEIGHT PERCENT OF A SALT OF A CYANOETHYLATED AMINE HAVING THE FORMULA
Claim 3
Dependent Claim
32 words
AN IMPROVED SLUDGE INHIBITED FUEL OIL COMPOSITION HAVING LITTLE TENDENCY TO FORM EMULSIONS, CONSISTING ESSENTIALLY OF FUEL OIL AND FROM ABOUT 0.0010 TO ABOUT 2.0 WEIGHT PERCENT OF N-TALLOW CYANOETHYL AMINE OLEATE.
Claim 4
Dependent Claim
32 words
AN IMPROVED SLUDGE INHIBITED FUEL OIL COMPOSITION HAVING LITTLE TENDENCY TO FORM EMULSIONS, CONSISTING ESSENTIALLY OF FUEL OIL AND FROM ABOUT 0.0010 TO ABOUT 2.0 WEIGHT PERCENT OF N-TALLOW CYANOETHYL AMINE OLEATE.
References Cited (Backward Citations)
US3115515A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |