US3091641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of tertiary amines
Assignee: Texaco Inc
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Filing: 1959-12-28
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Granted: 1963-05-28
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Expires: 1979-12-28
Abstract
No abstract record available.
Inventors
- 👤 William M Sweeney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:49
CPC Classifications
C; C07; C07C; C07C209/00; C07C209/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
PROCESS FOR THE PREPARATION OF A TERTIARU AMINE WHICH COMPRISES REACTING IN THE ABSENCE OF MOLECULAR HYDROGEN A DIALKYLAMINE AND AN ALKANONE WITH CARBON MONOXIDE AND WATER IN THE PRESENCE OF FROM 1 TO 3 WT. PERCENT, BASED ON THE WEIGHT OF THE REACTION MIXTURE, OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF IRON PENTACARBONYL AND BISCYCLOPENTADIENYL DIIRON TETRACARBONYL. AT AN ELEVATED TEMPERATURE AND BETWEEN ABOUT 200 AND 375*F., AND AT A PRESSURE OF BETWEEN ABOUT 500 AND 6000 P.S.I.G.
Claim 2
Dependent Claim
81 words
PROCESS FOR THE PREPARATION OF A TERTIARU AMINE WHICH COMPRISES REACTING IN THE ABSENCE OF MOLECULAR HYDROGEN A DIALKYLAMINE AND AN ALKANONE WITH CARBON MONOXIDE AND WATER IN THE PRESENCE OF FROM 1 TO 3 WT. PERCENT, BASED ON THE WEIGHT OF THE REACTION MIXTURE, OF A CATALYST SELECTED FROM THE GROUP CONSISTING OF IRON PENTACARBONYL AND BISCYCLOPENTADIENYL DIIRON TETRACARBONYL. AT AN ELEVATED TEMPERATURE AND BETWEEN ABOUT 200 AND 375*F., AND AT A PRESSURE OF BETWEEN ABOUT 500 AND 6000 P.S.I.G.
References Cited (Backward Citations)
US2499172A
Cited
US2511476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |