US2816911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of n-alkyl beta-alanines
Assignee: General Mills Inc
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Filing: 1954-02-23
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Granted: 1957-12-17
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Expires: 1974-02-23
Abstract
No abstract record available.
Inventors
- 👤 Aelony David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:31
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/06; G03C1/38
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
PROCESS OF PREPARING COMPOUNDS HAVING THE FORMULA RNHC2H4COOR1 IN WHICH R IS AN ALIPHATIC HYDROCARBON GROUP CONTAINING FROM 8 TO 22 CARBON ATOMS AND R1 IS A LOWER ALKYL GROUP CONTAINING FROM 1 TO 4 CARBON ATOMS WHICH COMPRISES REACTING THE CORRESPONDING AMINE RNH2 WITH THE CORRESPONDING LOWER ALKYL ACRYLATE ESTER, THE ESTER BEING EMPLOYED IN AN EXCESS OF FROM 10-30%, AT TEMPERATURES WITHIN THE APPROXIMATE RANGE OF 50120*C.
Claim 2
Dependent Claim
69 words
PROCESS OF PREPARING COMPOUNDS HAVING THE FORMULA RNHC2H4COOR1 IN WHICH R IS AN ALIPHATIC HYDROCARBON GROUP CONTAINING FROM 8 TO 22 CARBON ATOMS AND R1 IS A LOWER ALKYL GROUP CONTAINING FROM 1 TO 4 CARBON ATOMS WHICH COMPRISES REACTING THE CORRESPONDING AMINE RNH2 WITH THE CORRESPONDING LOWER ALKYL ACRYLATE ESTER, THE ESTER BEING EMPLOYED IN AN EXCESS OF FROM 10-30%, AT TEMPERATURES WITHIN THE APPROXIMATE RANGE OF 50120*C.
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) | 1960-12-16 | 1961-06-17 | 1961-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-16 | 1965-06-17 | 1965-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-16 | 1969-06-17 | 1969-12-17 | $7700.00 | Window Closed / Lapsed |