Patent US5047379A successfully refreshed from Google Patents.
US5047379A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cocondensation of metal oxides in organic solvents for deposition on solid supports
Assignee: GUELPH GUELPH ONTARIO NIG 2W1, University of
•
Filing: 1989-10-26
•
Granted: 1991-09-10
•
Expires: 2009-10-26
Abstract
Abstract Metal oxide catalysts having one or more metal oxides covalently or non-covalently bound to or entrapped on a solid phase support wherein the metal oxide catalyst is prepared by evaporation and cocondensation in a suitable organic solvent are disclosed. Metal oxide catalysts are prepared by evaporation and cocondensation in a suitable organic solvent and dispersed on a solid support as a highly dispersed thin surface film. A process for the preparation of metal oxide catalysts prepared by evaporation and cocondensation is also disclosed. A process for the preparation of metal oxide catalysts prepared by evaporation and cocondensation of metal oxides in a suitable organic solvent and dispersed on a solid support as a high dispersed thin surface film is also disclosed.
Inventors
- 👤 Elmer C. Alyea
- 👤 Kevin F. Brown
- 👤 Keith J. Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:24
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/02; B01J37/0201; B01J37/0203; B01J37/0238
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
120 words
A process for preparing metal oxide catalysts having one or more metal oxide species bound to or entrapped on a solid phase support which comprises: vaporizing a metal oxide or two or more metal oxides; cocondensing said metal oxide or two or more different metal oxides with a suitable organic liquid solvent which is capable of solvating said metal oxide or metal oxides; dissolving said metal oxide or metal oxides in said solvent to form a solvated complex in said liquid solvent; contacting said solvated complex with a solid phase support material so as to cause binding or entrapment of said solvated metal oxide specie or metal oxide species to said solid support; and removing excess liquid solvent or solution.
Claim 2
Dependent Claim
120 words
A process for preparing metal oxide catalysts having one or more metal oxide species bound to or entrapped on a solid phase support which comprises: vaporizing a metal oxide or two or more metal oxides; cocondensing said metal oxide or two or more different metal oxides with a suitable organic liquid solvent which is capable of solvating said metal oxide or metal oxides; dissolving said metal oxide or metal oxides in said solvent to form a solvated complex in said liquid solvent; contacting said solvated complex with a solid phase support material so as to cause binding or entrapment of said solvated metal oxide specie or metal oxide species to said solid support; and removing excess liquid solvent or solution.
Claim 3
Dependent Claim
45 words
A process of claim 1 wherein said metal oxide or metal oxides are selected from the group comprising molybdenum oxide, vanadium (V) pentoxide, magnesium oxide, chromium (III) oxide, manganese oxide, iron (II) oxide, cobalt oxide, indium oxide, tin (IV) oxide, lanthanum oxide and, tungsten oxide.
Claim 4
Dependent Claim
18 words
A process of claim 1 wherein said a combination of molybdenum oxide and vanadium (V) pentoxide is cocondensed.
Claim 5
Dependent Claim
23 words
A process of claim 1 wherein said solid support is selected from the group comprising aluminum oxide, zinc oxide, silica, titania and zirconia.
Claim 6
Dependent Claim
20 words
A process of claim 1 wherein said solid support is selected from the group comprising zeolite, pillared clays and sols.
Claim 7
Dependent Claim
10 words
A process of claim 5 wherein said zeolite is Faujasite.
Claim 8
Dependent Claim
19 words
A process of claim 1 wherein said solid support is selected from the group comprising carbon, glass and metals.
Claim 9
Dependent Claim
27 words
A process of claim 1 wherein said metal oxide catalyst is further processed by an activation step following the removal of said excess liquid solvent or solution.
Claim 10
Dependent Claim
12 words
A process of claim 1 wherein said metal oxide is molybdenum trioxide.
Claim 11
Dependent Claim
10 words
A process of claim 9 wherein said solvent is methanol.
Claim 12
Dependent Claim
11 words
A process of claim 10 wherein said solid support is alumina.
Claim 13
Dependent Claim
32 words
A process of claim 11 wherein said supported metal oxide specie or metal oxide species is further processed by an activation step following the removal of said excess liquid solvent or solution.
Claim 14
Dependent Claim
12 words
A process of claim 12 wherein said activation step is ultraviolet photoactivation.
Claim 15
Dependent Claim
91 words
A process for preparing metal oxide catalysts having one or more metal oxide species which comprises: vaporizing a metal oxide or two or more metal oxides; cocondensing said metal oxide or two or more metal oxides with a suitable organic liquid solvent which is capable of solvating the metal oxide or metal oxides; dissolving said metal oxide or metal oxides in said solvent to form a solvated complex in said liquid solvent; precipitating said metal oxide specie or metal oxide species solvated in said solvent; and removing excess solvent or solution.
Claim 16
Dependent Claim
91 words
A process for preparing metal oxide catalysts having one or more metal oxide species which comprises: vaporizing a metal oxide or two or more metal oxides; cocondensing said metal oxide or two or more metal oxides with a suitable organic liquid solvent which is capable of solvating the metal oxide or metal oxides; dissolving said metal oxide or metal oxides in said solvent to form a solvated complex in said liquid solvent; precipitating said metal oxide specie or metal oxide species solvated in said solvent; and removing excess solvent or solution.
Claim 17
Dependent Claim
42 words
A process of claim 14 wherein said metal oxide is selected from the group comprising molybdenum oxide, vanadium (V) pentoxide, magnesium oxide, chromium (III) oxide, manganese oxide, iron (II) oxide, cobalt oxide, indium oxide, tin (IV) oxide, lanthanum oxide and tungsten oxide.
Claim 18
Dependent Claim
17 words
A process of claim 14 wherein a combination of molybdenum oxide and vanadium (V) pentoxide is co-condensed.
Claim 19
Dependent Claim
23 words
A process of claim 14 wherein said solid support is selected from the group comprising aluminum oxide, zinc oxide, silica, titania and zirconia.
Claim 20
Dependent Claim
20 words
A process of claim 14 wherein said solid support is selected from the group comprising zeolite, pillared clays and sols.
Claim 21
Dependent Claim
10 words
A process of claim 18 wherein said zeolite is Faujasite.
Claim 22
Dependent Claim
19 words
A process of claim 14 wherein said solid support is selected from the group comprising carbon, glass and metals.
Claim 23
Dependent Claim
27 words
A process of claim 14 wherein said metal oxide catalyst is further processed by an activation step following the removal of said excess liquid solvent or solution.
Claim 24
Dependent Claim
12 words
A process of claim 14 wherein said metal oxide is molybdenum trioxide.
Claim 25
Dependent Claim
10 words
A process of claim 22 wherein said solvent is methanol.
Claim 26
Dependent Claim
31 words
A process of claim 23 wherein said metal oxide specie or metal oxide species are further processed by an activation step following the removal of said excess liquid solvent or solution.
Claim 27
Dependent Claim
12 words
A process of claim 24 wherein said activation step is ultraviolet photoactivation.
Claim 28
Dependent Claim
14 words
A supported metal oxide catalyst prepared in accordance with a process of claim 1.
Claim 29
Dependent Claim
14 words
A supported metal oxide catalyst prepared in accordance with a process of claim 12.
Claim 30
Dependent Claim
13 words
A metal oxide catalyst prepared in accordance with a process of claim 14.
Claim 31
Dependent Claim
13 words
A metal oxide catalyst prepared in accordance with a process of claim 24.
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) | 1994-09-09 | 1995-03-11 | 1995-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-09-09 | 1999-03-11 | 1999-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-09-09 | 2003-03-11 | 2003-09-10 | $7700.00 | Window Closed / Lapsed |