US3012060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of higher fatty acids into shorter chain length nitriles
Assignee: Individual
•
Filing: 1958-04-15
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Granted: 1961-12-05
•
Expires: 1978-04-15
Abstract
No abstract record available.
Inventors
- 👤 Robert S Aries
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:28
CPC Classifications
C; C07; C07C; C07C253/00; C07C253/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
METHOD FOR THE CONVERSION OF HIGHER FATTY ACIDS TO ALKANE NITRILES HAVING A SHORTER CHAIN LENGTH THAN SAID FATTY ACIDS AND CONTAINING FROM ABOUT 4 TO 10 CARBON ATOMS, WHICH COMPRISES OXIDIZING A HIGHER FATTY ACID IN THE VAPOR PHASE AT A TEMPERATURE RANGING FROM ABOUT 325* TO 550*C. WITH AN OXYGEN CONTAINING GAS IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF HEAVY METALS AND ALUMINUM AND THEIR OXIDES AND MIXTURES THEREOF, AND GASEOUS AMMONIA, THE OXYGEN BEING PRESENT IN AN AMOUNT RANGING FROM ABOUT 2 TO ABOUT 20 TIMES THE MOLAR AMOUNT OF FATTY ACID, AND THE AMMONIA BEING PRESENT IN AN AMOUNT RANGING FROM ABOUT 3 TO 10 TIMES THE MOLAR AMOUNT OF FATTY ACID.
Claim 2
Dependent Claim
121 words
METHOD FOR THE CONVERSION OF HIGHER FATTY ACIDS TO ALKANE NITRILES HAVING A SHORTER CHAIN LENGTH THAN SAID FATTY ACIDS AND CONTAINING FROM ABOUT 4 TO 10 CARBON ATOMS, WHICH COMPRISES OXIDIZING A HIGHER FATTY ACID IN THE VAPOR PHASE AT A TEMPERATURE RANGING FROM ABOUT 325* TO 550*C. WITH AN OXYGEN CONTAINING GAS IN THE PRESENCE OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF HEAVY METALS AND ALUMINUM AND THEIR OXIDES AND MIXTURES THEREOF, AND GASEOUS AMMONIA, THE OXYGEN BEING PRESENT IN AN AMOUNT RANGING FROM ABOUT 2 TO ABOUT 20 TIMES THE MOLAR AMOUNT OF FATTY ACID, AND THE AMMONIA BEING PRESENT IN AN AMOUNT RANGING FROM ABOUT 3 TO 10 TIMES THE MOLAR AMOUNT OF FATTY ACID.
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) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |