US2768968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbonylation of olefins with cobalt or nickel complex catalysts
Assignee: BASF SE
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Filing: 1954-05-27
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Granted: 1956-10-30
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Expires: 1974-05-27
Abstract
No abstract record available.
Inventors
- 👤 Reppe Walter
- 👤 Koelsch Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:01
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/10; C07C51/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
IN THE PRODUCTION OF ALIPHATIC CARBOXYLIC ACIDS, THEIR ANHYDRIDES AND ESTERS BY THE CARBONYLATION OF ALIPHATIC OLEFIN HYDROCARBONS IN THE PRESENCE OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF WATER, SATURATED UNSUBSTITUTED ALIPHATIC MONOALCOHOLS AND THE FATTY ACID TO BE PRODUCED UNDER SUPERATMOSPHERIC PRESSURE AND AT ELEVATED TEMPERATURES THE STEP WHICH COMPRISES USING AS A CATALYST ONLY A CATALYTIC AMOUNT OF A COMPLEX SALT DERIVED FROM A METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL AND COBALT AND A SATURATED ALIPHATIC CARBOXYLIC ACID CONTAINING FROM TWO TO SIX CARBON ATOMS AND CONTAINING IN ADDITION TO THE CARBOXYLIC ACID GROUP AT LEAST ONE SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF THE HYDROXY, KETO AND CARBOXYLIC ACID GROUPS.
Claim 2
Dependent Claim
117 words
IN THE PRODUCTION OF ALIPHATIC CARBOXYLIC ACIDS, THEIR ANHYDRIDES AND ESTERS BY THE CARBONYLATION OF ALIPHATIC OLEFIN HYDROCARBONS IN THE PRESENCE OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF WATER, SATURATED UNSUBSTITUTED ALIPHATIC MONOALCOHOLS AND THE FATTY ACID TO BE PRODUCED UNDER SUPERATMOSPHERIC PRESSURE AND AT ELEVATED TEMPERATURES THE STEP WHICH COMPRISES USING AS A CATALYST ONLY A CATALYTIC AMOUNT OF A COMPLEX SALT DERIVED FROM A METAL SELECTED FROM THE GROUP CONSISTING OF NICKEL AND COBALT AND A SATURATED ALIPHATIC CARBOXYLIC ACID CONTAINING FROM TWO TO SIX CARBON ATOMS AND CONTAINING IN ADDITION TO THE CARBOXYLIC ACID GROUP AT LEAST ONE SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF THE HYDROXY, KETO AND CARBOXYLIC ACID GROUPS.
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) | 1959-10-30 | 1960-04-30 | 1960-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-30 | 1964-04-30 | 1964-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-30 | 1968-04-30 | 1968-10-30 | $7700.00 | Window Closed / Lapsed |