US3948965A
Expired / Lapsed
US
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Catalytic process for polyhydric alcohols and derivatives
Assignee: Union Carbide Corp
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Filing: 1974-07-12
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Granted: 1976-04-06
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Expires: 1994-07-12
Abstract
Abstract This invention relates to the manufacture of such valuable chemicals as polyhydric alcohols, their ether and ester derivatives, oligomers of such alcohols and monohydric alcohols and their ether and ester derivatives by reacting oxides of carbon and hydrogen in the presence of a bis(triorgano phosphine)iminium cation and a rhodium carbonyl complex provided to the reaction as a rhodium carbonyl cluster anion which possesses an infrared spectrum which exhibits three intense wavelength bands between about plus and minus 10 cm<->1 of about 1868 cm<->1, about 1838 cm<->1, and about 1785 cm<->1 at a pressure of at least about 500 pounds per square inch absolute.
Inventors
- 👤 James N. Cawse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:59
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/02; B01J31/0234; B01J31/0235; B01J31/0241; B01J31/0255; B01J31/0267; B01J31/0271; B01J31/16; B01J31/18; B01J31/1805; B01J31/181; B01J31/20; B01J31/40; B01J31/4015; B01J31/4023; B01J31/4038; B01J31/4046; C; C07; C07C; C07C29/00; C07C29/15; C07C29/151; C07C29/1512; C07C29/1514; C07C29/153; C07C29/156; C07C29/157; C07C29/158; B01J2231/00; B01J2231/60; B01J2231/64; B01J2231/641; B01J2231/648; B01J2531/00; B01J2531/02; B01J2531/0202; B01J2531/0211; B01J2531/80; B01J2531/82; B01J2531/822; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52; Y02P20/584
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
196 words
A process for making alkane polyols which comprises reacting at a pressure of from about 500 psia to about 50,000 psia and a temperature of about 100°C. to about 375°C., a mixture consisting essentially of oxides of carbon and hydrogen in the presence of a bis(triorgano phosphine) iminium cation of the formula ##EQU9## wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are alkyl, cycloalkyl, aryl, alkaryl, araalkyl, beta-hydroxyethyl, ethoxymethyl, ethoxylethyl, phenoxyethyl or a polyalkylene ether group of the formula C n H 2n O) x -OR wherein n has an average value from 1 to 4, x has an average value from 2 to about 150, and R may be hydrogen or alkyl of 1 to about 12 carbon atoms and a rhodium carbonyl complex, said complex is provided to the reaction as a rhodium carbonyl cluster which possesses an infrared spectrum which exhibits three intense wavelength bands between about plus and minus 10 cm.sup. -1 of about 1868 cm.sup. -1 , about 1838 cm.sup. -1 , and about 1785 cm.sup. -1 , at a pressure of at least about 500 pounds per square inch absolute.
Claim 2
Dependent Claim
196 words
A process for making alkane polyols which comprises reacting at a pressure of from about 500 psia to about 50,000 psia and a temperature of about 100°C. to about 375°C., a mixture consisting essentially of oxides of carbon and hydrogen in the presence of a bis(triorgano phosphine) iminium cation of the formula ##EQU9## wherein R 1 , R 2 , R 3 , R 4 , R 5 and R 6 are alkyl, cycloalkyl, aryl, alkaryl, araalkyl, beta-hydroxyethyl, ethoxymethyl, ethoxylethyl, phenoxyethyl or a polyalkylene ether group of the formula C n H 2n O) x -OR wherein n has an average value from 1 to 4, x has an average value from 2 to about 150, and R may be hydrogen or alkyl of 1 to about 12 carbon atoms and a rhodium carbonyl complex, said complex is provided to the reaction as a rhodium carbonyl cluster which possesses an infrared spectrum which exhibits three intense wavelength bands between about plus and minus 10 cm.sup. -1 of about 1868 cm.sup. -1 , about 1838 cm.sup. -1 , and about 1785 cm.sup. -1 , at a pressure of at least about 500 pounds per square inch absolute.
Claim 3
Dependent Claim
25 words
The process of claim 1 wherein the cation is present in about 0.8 to about 2.0 moles of cation for every six moles of rhodium.
Claim 4
Dependent Claim
25 words
The process of claim 2 wherein the cation is present in about 1.2 to about 1.6 moles of cation for every six moles of rhodium.
Claim 5
Dependent Claim
25 words
The process of claim 3 wherein the cation is present in about 1.2 to about 1.4 moles of cation for every six moles of rhodium.
Claim 6
Dependent Claim
14 words
The process of claim 1 wherein the cation is the bis(triphenyl phosphine) iminium cation.
Claim 7
Dependent Claim
17 words
The process of claim 1 wherein the reaction is effected in the presence of an inert solvent.
Claim 8
Dependent Claim
18 words
The process of claim 1 wherein the solvent is a dialkyl ether of alkylene glycols or polyalkylene glycol.
Claim 9
Dependent Claim
14 words
The process of claim 7 wherein the solvent is the dimethylether of tetraethylene glycol.
Claim 10
Dependent Claim
18 words
The process of claim 8 wherein the temperature of the reaction is from about 150°C. to about 300°C.
Claim 11
Dependent Claim
18 words
The process of claim 9 wherein the temperature of the reaction is from about 190°C. to about 275°C.
Claim 12
Dependent Claim
18 words
The process of claim 10 wherein the temperatures of the reaction is from about 190°C. to about 240°C.
Claim 13
Dependent Claim
30 words
The process of claim 1 wherein the reaction is conducted under a pressure ranging from about 1000 pounds per square inch absolute to about 15,000 pounds per square inch absolute.
Claim 14
Dependent Claim
30 words
The process of claim 12 wherein the reaction is conducted under a pressure ranging from about 2,000 pounds per square inch absolute to about 12,000 pounds per square inch absolute.
Claim 15
Dependent Claim
30 words
The process of claim 1 wherein at least one of an organic nitrogen ligand, an organic oxygen ligand, or an organic aza-oxa ligand is present in said rhodium carbonyl complex.
Claim 16
Dependent Claim
13 words
The process of claim 14 wherein the ligand is an organic aza-oxa ligand.
Claim 17
Dependent Claim
12 words
The process of claim 15 wherein the organic aza-oxa ligand is 2-hydroxypyridine.
Claim 18
Dependent Claim
22 words
The process of claim 1 wherein an organic nitrogen counter-ion containing a Lewis base nitrogen is present in said rhodium carbonyl complex.
Claim 19
Dependent Claim
12 words
The process of claim 17 wherein the organic nitrogen counter-ion is pyridine.
References Cited (Backward Citations)
US3081357A
Cited
US3487112A
Cited
US3560539A
Cited
US3641076A
Cited
BE793086A
Cited
US3833634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-06 | 1979-10-06 | 1980-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-06 | 1983-10-06 | 1984-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-06 | 1987-10-06 | 1988-04-06 | $7700.00 | Window Closed / Lapsed |