US3029207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing a catalyst containing a metal of the iron group
Assignee: Gulf Research and Development Co
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Filing: 1958-03-28
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Granted: 1962-04-10
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Expires: 1978-03-28
Abstract
No abstract record available.
Inventors
- 👤 Albert C Boucek
- 👤 Jr George E Elliott
- 👤 Meredith M Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:32
CPC Classifications
B; B01; B01J; B01J39/00; B01J13/00; B01J13/0004; B01J13/0008; B01J13/0017; B01J23/00; B01J23/16; B01J23/24; B01J23/28; B01J23/70; B01J23/76; B01J23/84; B01J23/85; B01J23/88; B01J23/883; B01J37/00; B01J37/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
THE PROCESS WHICH COMPRISES FORMING AN AQUEOUS SOLUTION OF A SLT SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL, AMINE AND AMMONIUM SALTS OF ACIDS OF MOLYBDENUM, VANADIUM AND TUNGSTEN, CONTACTING THE RESULTANT AQUEOUS SOLUTION WITH A PROTONATED CATION EXCHANGE MATERIAL, SEPARATING THE AQUEOUS SOLUTION FROM THE CATION EXCHANGE MATERIAL, ADDING A WATER-SOLUBLE SALT OF A METAL OF THE IRON GROUP TO THE AQUEOUS SOLUTION AND IMPREGNATING A POROUS CATALYST CARRIER WITH THE RESULTANT AQUEOUS SOLUTION.
Claim 2
Dependent Claim
76 words
THE PROCESS WHICH COMPRISES FORMING AN AQUEOUS SOLUTION OF A SLT SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL, AMINE AND AMMONIUM SALTS OF ACIDS OF MOLYBDENUM, VANADIUM AND TUNGSTEN, CONTACTING THE RESULTANT AQUEOUS SOLUTION WITH A PROTONATED CATION EXCHANGE MATERIAL, SEPARATING THE AQUEOUS SOLUTION FROM THE CATION EXCHANGE MATERIAL, ADDING A WATER-SOLUBLE SALT OF A METAL OF THE IRON GROUP TO THE AQUEOUS SOLUTION AND IMPREGNATING A POROUS CATALYST CARRIER WITH THE RESULTANT AQUEOUS SOLUTION.
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) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |