US4100359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbonylation of alcohols
Assignee: Honeywell UOP LLC
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Filing: 1977-01-12
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Granted: 1978-07-11
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Expires: 1997-01-12
Abstract
Abstract The carbonylation of alcohols in which an alcohol is treated with carbon monoxide may be improved by the use of a heterogeneous catalyst (namely, a chlorohodium phthalocyanine catalyst) promoted by a sulfonic acid or sulfonate group (either attached to the phthalocyanine compound or to an added organic compound) and an alkyl iodide.
Inventors
- 👤 Louis Schmerling
- 👤 Edwin H. Homeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:07
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/10; C07C51/12; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
138 words
A process for the carbonylation of a lower alkanol compound which comprises treating said compound with carbon monoxide in the presence of a catalyst consisting essentially of; (1) a cobalt, rhodium, or iridium phthalocyanine compound free of sulfonic acid or sulfonate groups and promoters consisting essentially of both an alkyl halide and a sulfonic acid or sulfonate group donor compound selected from the group consisting of an alkanesulfonic acid, cycloalkanesulfonic acid, arenesulfonic acid, an alkali metal sulfonate, alkaline earth metal sulfonate and ammonium sulfonate, or (2) a cobalt, rhodium, or iridium phthalocyanine compound containing a sulfonic acid or sulfonate group and an alkyl halide promoter, at a temperature in the range of from about 100° to about 250° C. and a pressure within the range of from about 1 to 200 atmospheres, and recovering the resultant carbonylated product.
Claim 2
Dependent Claim
138 words
A process for the carbonylation of a lower alkanol compound which comprises treating said compound with carbon monoxide in the presence of a catalyst consisting essentially of; (1) a cobalt, rhodium, or iridium phthalocyanine compound free of sulfonic acid or sulfonate groups and promoters consisting essentially of both an alkyl halide and a sulfonic acid or sulfonate group donor compound selected from the group consisting of an alkanesulfonic acid, cycloalkanesulfonic acid, arenesulfonic acid, an alkali metal sulfonate, alkaline earth metal sulfonate and ammonium sulfonate, or (2) a cobalt, rhodium, or iridium phthalocyanine compound containing a sulfonic acid or sulfonate group and an alkyl halide promoter, at a temperature in the range of from about 100° to about 250° C. and a pressure within the range of from about 1 to 200 atmospheres, and recovering the resultant carbonylated product.
Claim 3
Dependent Claim
15 words
The process as set forth in claim 1 in which said alkythalide is methyl iodide.
Claim 4
Dependent Claim
23 words
The process as set forth in claim 1 in which said phthalocyanine compound is chlororhodium phthalocyanine containing a sulfonic acid or sulfonate group.
Claim 5
Dependent Claim
17 words
The process as set forth in claim 1 in which said arenesulfonic acid is a toluenesulfonic acid.
Claim 6
Dependent Claim
16 words
The process as set forth in claim 1 in which said arenesulfonic acid is benzenesulfonic acid.
Claim 7
Dependent Claim
30 words
The process as set forth in claim 1 in which said lower alkanol is methyl alcohol and said resultant carbonylated product is a mixture of methyl acetate and acetic acid.
Claim 8
Dependent Claim
30 words
The process as set forth in claim 1 in which said lower alkanol is ethyl alcohol and said resultant carbonylated product is a mixture of ethyl propionate and propionic acid.
Claim 9
Dependent Claim
30 words
The process as set forth in claim 1, in which said lower alkanol is propyl alcohol and said resultant carbonylated product is a mixture of propyl butyrate and butyric acid.
Claim 10
Dependent Claim
18 words
The process as set forth in claim 1 in which said metal phthalocyanine compound is rhodium (III) phthalocyaninetetrasulfonate.
References Cited (Backward Citations)
US3769329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-07-10 | 1982-01-09 | 1982-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-10 | 1986-01-09 | 1986-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-10 | 1990-01-09 | 1990-07-11 | $7700.00 | Window Closed / Lapsed |