US3244734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of fatty acid amide compounds
Assignee: Kraft Inc
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Filing: 1963-05-31
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Granted: 1966-04-05
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Expires: 1983-05-31
Abstract
No abstract record available.
Inventors
- 👤 Norman O V Sonntag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:42
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2215/00; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A PROCESS FOR THE MANUFACTURE OF AMIDES COMPRISING THE STEPS OF REACTING AN ESTER OF A SHORT CARBON CHAIN ALCOHOL AND A LONG CARBON CHAIN FATTY ACID WITH AMMONIA, THE SHORT CARBON CHAIN RADICAL OF SAID ESTER HAVING A CHAIN LENGTH OF FROM 1 TO 2 CARBON ATOMS AND THE FATTY ACID RADICAL OF SAID ESTER HAVING A CHAIN LENGTH OF FROM 12 TO 30 CARBON ATOMS, INTRODUCING INTO SAID REACTION A FATTY ACID AS A CATALYST AT A LEVEL OF AT LEAST ABOUT .5 PERCENT BY WEIGHT OF SAID ESTER, SAID FATTY ACID HAVING A CHAIN LENGTH OF FROM 8 TO 30 CARBON ATOMS, MAINTAINING DURING THE REACTION A TEMPERATURE OF FROM ABOUT 275*F. TO ABOUT 375*F. AND A PRESSURE OF AT LEAST 100 POUNDS PER SQUARE INCH GAUGE, SAID REACTION PROVIDING A PRODUCT HAVING A NITRILE CONTENT OF LESS THAN ABOUT 1.5 PERCENT.
Claim 2
Dependent Claim
145 words
A PROCESS FOR THE MANUFACTURE OF AMIDES COMPRISING THE STEPS OF REACTING AN ESTER OF A SHORT CARBON CHAIN ALCOHOL AND A LONG CARBON CHAIN FATTY ACID WITH AMMONIA, THE SHORT CARBON CHAIN RADICAL OF SAID ESTER HAVING A CHAIN LENGTH OF FROM 1 TO 2 CARBON ATOMS AND THE FATTY ACID RADICAL OF SAID ESTER HAVING A CHAIN LENGTH OF FROM 12 TO 30 CARBON ATOMS, INTRODUCING INTO SAID REACTION A FATTY ACID AS A CATALYST AT A LEVEL OF AT LEAST ABOUT .5 PERCENT BY WEIGHT OF SAID ESTER, SAID FATTY ACID HAVING A CHAIN LENGTH OF FROM 8 TO 30 CARBON ATOMS, MAINTAINING DURING THE REACTION A TEMPERATURE OF FROM ABOUT 275*F. TO ABOUT 375*F. AND A PRESSURE OF AT LEAST 100 POUNDS PER SQUARE INCH GAUGE, SAID REACTION PROVIDING A PRODUCT HAVING A NITRILE CONTENT OF LESS THAN ABOUT 1.5 PERCENT.
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) | 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 |