Patent US5056138A successfully refreshed from Google Patents.
Patent US2610212A successfully refreshed from Google Patents.
US2610212A
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Synthesis of amino acids
Assignee: General Mills Inc
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Filing: 1950-04-24
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Granted: 1952-09-09
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Expires: 1970-04-24
Abstract
No abstract record available.
Inventors
- 👤 Don E Floyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:58
CPC Classifications
C; C07; C07C; C07C227/00; C07C229/00; C07C229/02; C07C229/04; C07C229/06; C07C229/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
PROCESS FOR THE PRODUCTION OF AMONO ACIDS BY THE REDUCTIVE AMINATION OF COMPOUNDS SESLECTED FROM THE GROUP CONSISTING OF ALIPHATIC KETO ACIDS CONTAINING FROM 5 TO 19 CARBON ATOMS, AND SALTS THEREOF, WHICH COMPRISES REACTING SAID COMPOUND WITH HYFROGEN AND AMMONIA AT A HYDROGEN PRESSURE OF AT LEAST 200 POUNDS PER SQUARE INCH AT A TEMPERATURE WITHIN THE APPROXIMATE RANGE OF 50-200* C. IN THE PRESENCE OF A NICKEL HYDROGENATION CATALYST EMPLOYED IN A LOW MOLAR RATIO.
Claim 2
Dependent Claim
77 words
PROCESS FOR THE PRODUCTION OF AMONO ACIDS BY THE REDUCTIVE AMINATION OF COMPOUNDS SESLECTED FROM THE GROUP CONSISTING OF ALIPHATIC KETO ACIDS CONTAINING FROM 5 TO 19 CARBON ATOMS, AND SALTS THEREOF, WHICH COMPRISES REACTING SAID COMPOUND WITH HYFROGEN AND AMMONIA AT A HYDROGEN PRESSURE OF AT LEAST 200 POUNDS PER SQUARE INCH AT A TEMPERATURE WITHIN THE APPROXIMATE RANGE OF 50-200* C. IN THE PRESENCE OF A NICKEL HYDROGENATION CATALYST EMPLOYED IN A LOW MOLAR RATIO.
References Cited (Backward Citations)
NL57807C
Cited
US1628190A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |