Patent US3207586A successfully refreshed from Google Patents.
US3207586A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fuel oil compositions containing an n-alkyl aminopropionitrile salt of an alkyl phosphoric acid ester
Assignee: Armour and Co
•
Filing: 1962-08-22
•
Granted: 1965-09-21
•
Expires: 1982-08-22
Abstract
No abstract record available.
Inventors
- 👤 Cizek Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:47
CPC Classifications
C; C07; C07C; C07C255/00; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/11; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2633; C10L1/265; C10M; C10M1/00; C10M1/08; C10M2223/00; C10M2223/06; C10M2223/063; C10N; C10N2040/00; C10N2040/135; C10N2040/25; C10N2040/251; C10N2040/255; C10N2040/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
AN IMPROVED FUEL OIL COMPOSITION, COMPRISING FUEL OIL AND AN OIL SOLUBLE NON-EMULSIFYING N-ALKYL AMINOPROPIONITRILE SALT OF AN ALKYL PHOSPHORIC ACID ESTER IN THE PROPORTION OF ABOUT 5-60 PARTS OF SAID SALT TO ONE MILLION PARTS OF FUEL OIL.
Claim 2
Dependent Claim
39 words
AN IMPROVED FUEL OIL COMPOSITION, COMPRISING FUEL OIL AND AN OIL SOLUBLE NON-EMULSIFYING N-ALKYL AMINOPROPIONITRILE SALT OF AN ALKYL PHOSPHORIC ACID ESTER IN THE PROPORTION OF ABOUT 5-60 PARTS OF SAID SALT TO ONE MILLION PARTS OF FUEL OIL.
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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |