US4339545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkanols from synthesis gas
Assignee: Texaco Inc
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Filing: 1981-06-26
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Granted: 1982-07-13
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Expires: 2001-06-26
Abstract
Abstract This invention concerns a process for making alkanols which comprises contacting a mixture of CO and H 2 at a pressure of 500 psig or greater and at a temperature of at least 150° C. with a catalyst system comprising a ruthenium-containing compound and a halogen-free titanium or zirconium-containing compound dispersed in a low melting quaternary phosphonium or ammonium base or salt.
Inventors
- 👤 John F. Knifton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:56
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/15; C07C29/151; C07C29/153; C07C29/156; C07C29/157; C07C31/00; C07C31/02; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/46; B01J23/462; B01J31/00; B01J31/02; B01J31/0277; B01J31/0278; B01J31/0287; B01J31/0288; B01J31/16; B01J31/22; B01J31/2204; B01J31/2208; B01J31/2226; B01J31/223; B01J31/2234; C07C29/1512; C07C29/1514; B01J2531/00; B01J2531/40; B01J2531/46; B01J2531/48; B01J2531/80; B01J2531/82; B01J2531/822; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/52
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
70 words
A process for making alkanols which comprises contacting a mixture of CO and H 2 at a pressure of 500 psig or greater and at a temperature of at least 180° C. with a catalyst system comprising a ruthenium-containing compound and a material selected from the group consisting of a halogen-free titanium-containing compound and a halogen-free zirconium-containing compound dispersed in a low melting quaternary phosphonium or ammonium base or salt.
Claim 2
Dependent Claim
70 words
A process for making alkanols which comprises contacting a mixture of CO and H 2 at a pressure of 500 psig or greater and at a temperature of at least 180° C. with a catalyst system comprising a ruthenium-containing compound and a material selected from the group consisting of a halogen-free titanium-containing compound and a halogen-free zirconium-containing compound dispersed in a low melting quaternary phosphonium or ammonium base or salt.
Claim 3
Dependent Claim
21 words
The process of claim 1 wherein the process is conducted at a pressure of about 200 psig to about 9000 psig.
Claim 4
Dependent Claim
20 words
The process of claim 1 wherein the process is conducted at a temperature of about 180° to about 250° C.
Claim 5
Dependent Claim
13 words
The process of claim 1 wherein the said material is a titanium-containing compound.
Claim 6
Dependent Claim
13 words
The process of claim 1 wherein the said material is a zirconium-containing compound.
Claim 7
Dependent Claim
20 words
The process of claim 1 wherein said quaternary salt or base has a melting point less than about 180° C.
Claim 8
Dependent Claim
13 words
The process of claim 1 wherein said quaternary salt is a tetraalkylphosphonium salt.
Claim 9
Dependent Claim
13 words
The process of claim 7 wherein said alkyl groups contain 1-6 carbon atoms.
Claim 10
Dependent Claim
14 words
The process of claim 1 wherein said quaternary is a mixed alkylaryl phosphonium quaternary.
Claim 11
Dependent Claim
12 words
The process of claim 1 wherein said quaternary salt is tetrabutylphosphonium salt.
Claim 12
Dependent Claim
27 words
The process of claim 10 wherein said tetrabutylphosphonium salt is selected from the group consisting of tetrabutylphosphonium bromide, tetrabutylphosphonium chloride, tetrabutylphosphonium iodide, tetrabutylphosphonium acetate and tetrabutylphosphonium chromate.
Claim 13
Dependent Claim
13 words
The process of claim 1 wherein said quaternary phosphonium base is tetrabutylphosphonium hydroxide.
Claim 14
Dependent Claim
41 words
The process of claim 1 wherein the ruthenium-containing compound is selected from the group consisting of one or more oxides of ruthenium, ruthenium salts of a mineral acid, ruthenium salts of an organic carboxylic acid and ruthenium carbonyl or hydrocarbonyl derivatives.
Claim 15
Dependent Claim
36 words
The process of claim 1 wherein the ruthenium-containing compound is selected from the group consisting of anhydrous ruthenium(IV) dioxide, ruthenium(IV) dioxide hydrate, ruthenium(VIII) tetraoxide, ruthenium(III) trichloride hydrate, ruthenium acetate, ruthenium propionate, ruthenium(III) acetylacetonate and triruthenium dodecarbonyl.
Claim 16
Dependent Claim
12 words
The process of claim 1 wherein said ruthenium-containing compound is ruthenium(IV) dioxide.
Claim 17
Dependent Claim
12 words
The process of claim 1 wherein said ruthenium-containing compound is ruthenium(III) acetylacetonate.
Claim 18
Dependent Claim
40 words
The process of claim 1 wherein the said material is a halogen-free titanium-containing compound selected from the group consisting of titanium salts of organic acids, titanium complexes of carbonyl-containing ligands and titanium alkoxides as well as mixed ligand complexes thereof.
Claim 19
Dependent Claim
27 words
The process of claim 1 wherein the titanium-containing compound is selected from the group consisting of titanium acetate, titanium(III) acetylacetonate, titanium(IV) methoxide, titanium(IV) ethoxide and titanium(IV) butoxybis(2,4-pentanedionate).
Claim 20
Dependent Claim
13 words
The process of claim 1 wherein said titanium containing compound is titanium acetylacetonate.
Claim 21
Dependent Claim
13 words
The process of claim 1 wherein said titanium containing compound is titanium(IV) methoxide.
Claim 22
Dependent Claim
42 words
The process of claim 1 wherein the said material is a halogen-free zirconium-containing compound selected from the group consisting of zirconium salts of organic acids, zirconium complexes of carbonyl-containing ligands, zirconium alkoxides and zirconyl compounds as well as mixed ligand complexes thereof.
Claim 23
Dependent Claim
28 words
The process of claim 1 wherein the zirconium-containing compound is selected from the group consisting of zirconium(IV) acetate, zirconyl acetate, zirconium diacetate oxide, zirconium methoxide, and zirconium(IV) acetylacetonate.
Claim 24
Dependent Claim
12 words
The process of claim 1 wherein said zirconium-containing compound is zirconium(IV) acetate.
Claim 25
Dependent Claim
12 words
The process of claim 1 wherein said zirconium-containing compound is zirconium(IV) acetylacetonate.
References Cited (Backward Citations)
US4042614A
Cited
US4265828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-07-12 | 1986-01-11 | 1986-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-07-12 | 1990-01-11 | 1990-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-07-12 | 1994-01-11 | 1994-07-13 | $7700.00 | Window Closed / Lapsed |