US4450099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Barium hydride modified aluminum/siliceous compositions
Assignee: Shell USA Inc
•
Filing: 1983-03-21
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Granted: 1984-05-22
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Expires: 2003-03-21
Abstract
Abstract Novel compositions are prepared by reacting barium hydride and metal oxide gels in the slurry phase. These compositions are useful as catalysts and catalyst supports.
Inventors
- 👤 Robert M. Lewis
- 👤 Lynn H. Slaugh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:53
CPC Classifications
C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0425; C07C1/0445; B; B01; B01J; B01J23/00; B01J23/02; B01J23/70; B01J23/76; B01J23/78; C07C2523/00; C07C2523/02; C07C2523/38; C07C2523/40; C07C2523/46; C07C2523/54; C07C2523/56; C07C2523/58
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
63 words
A process for preparing a metal oxide gel composition having bonded thereto barium oxide, which process comprises contacting a substantially anhydrous metal oxide gel with a powdered barium hydride in a slurry phase with the slurrying medium being an anhydrous, non-hydroxyl-containing organic liquid whereby the barium hydride reacts with the metal oxide gel, and subsequently drying the gel to remove the organic liquid.
Claim 2
Dependent Claim
63 words
A process for preparing a metal oxide gel composition having bonded thereto barium oxide, which process comprises contacting a substantially anhydrous metal oxide gel with a powdered barium hydride in a slurry phase with the slurrying medium being an anhydrous, non-hydroxyl-containing organic liquid whereby the barium hydride reacts with the metal oxide gel, and subsequently drying the gel to remove the organic liquid.
Claim 3
Dependent Claim
27 words
The process of claim 1 wherein the metal oxide gel is selected from the group consisting of aluminum oxide gel, silicon oxide gel and aluminum-silicon oxide gel.
Claim 4
Dependent Claim
33 words
The process of claims 1 or 2 wherein the amount of barium hydride utilized is not greater than the amount needed to completely react with hydroxyl moieties present in the metal oxide gel.
Claim 5
Dependent Claim
13 words
The process of claims 1 or 2 wherein the slurrying liquid is tetrahydrofuran.
Claim 6
Dependent Claim
20 words
The process of claims 1 or 2 wherein the magnesium hydride powder is less than about 100 mesh in size.
Claim 7
Dependent Claim
26 words
The process of claims 1 or 2 wherein, after drying, the gel is calcined at a temperature ranging from about 200° C. to about 900° C.
Claim 8
Dependent Claim
27 words
The process of claims 1 or 2 wherein the barium in the composition ranges from about 0.001 to about 50 percent by weight measured as barium metal.
Claim 9
Dependent Claim
27 words
The process of claims 1 or 2 wherein the barium in the composition ranges from about 0.01 to and 25 percent by weight measured as barium metal.
References Cited (Backward Citations)
US2188007A
Cited
US2281919A
Cited
US2699430A
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US2680100A
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US2852576A
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US2935483A
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US2958648A
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US3526601A
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US3893943A
Cited
US4235756A
Cited
US4239872A
Cited
US4295999A
Cited
US4367361A
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US4368342A
Cited
US4375575A
Cited
US4375574A
Cited
US4384154A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-05-22 | 1987-11-21 | 1988-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-05-22 | 1991-11-21 | 1992-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-05-22 | 1995-11-21 | 1996-05-22 | $7700.00 | Window Closed / Lapsed |