US2689261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of functional derivatives of carboxylic acids using amine heavy metal complexes of metal carbonyl hydrides
Assignee: BASF SE
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Filing: 1952-04-16
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Granted: 1954-09-14
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Expires: 1972-04-16
Abstract
No abstract record available.
Inventors
- 👤 Reppe Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:51
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN A PROCES FOR THE PRODUCTION OF FUNCTIONAL DERIVATIVES OF CARBOXYLIC ACIDS BY THE REACTION OF MONOOLEFINIC COMPOUNDS WITH CARBON MONOXIDE AND A HYDROGEN CONTAINING COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALCOHOLS, CARBOXYLIC ACIDS, AMMONIA, PRIMARY AND SECONDARY AMINO COMPOUNDS AT ELEVATED TEMPERATURE AND UNDER SUPERATMOSPHERIC PRESSURE, THE IMPROVEMENT WHICH COMPRISES USING AS A CATALYST A SALT OF COBALT CARBONYL HYDRIDE WHICH CONTAINS AS THE CATION A BASIC NITROGEN COMPLEX OF A METAL SELECTED FROM THE GROUP CONSISTING OF IRON, NICKEL, COBALT, CADMIUM, ZINC AND COPPER.
Claim 2
Dependent Claim
87 words
IN A PROCES FOR THE PRODUCTION OF FUNCTIONAL DERIVATIVES OF CARBOXYLIC ACIDS BY THE REACTION OF MONOOLEFINIC COMPOUNDS WITH CARBON MONOXIDE AND A HYDROGEN CONTAINING COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALCOHOLS, CARBOXYLIC ACIDS, AMMONIA, PRIMARY AND SECONDARY AMINO COMPOUNDS AT ELEVATED TEMPERATURE AND UNDER SUPERATMOSPHERIC PRESSURE, THE IMPROVEMENT WHICH COMPRISES USING AS A CATALYST A SALT OF COBALT CARBONYL HYDRIDE WHICH CONTAINS AS THE CATION A BASIC NITROGEN COMPLEX OF A METAL SELECTED FROM THE GROUP CONSISTING OF IRON, NICKEL, COBALT, CADMIUM, ZINC AND COPPER.
References Cited (Backward Citations)
US2542767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-13 | 1958-03-15 | 1958-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-13 | 1962-03-15 | 1962-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-13 | 1966-03-15 | 1966-09-14 | $7700.00 | Window Closed / Lapsed |