US2762783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst manufacturing process
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1951-10-01
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Granted: 1956-09-11
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Expires: 1971-10-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles N Kimberlin
- 👤 Edward A Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:04
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/02; B01J21/04; C; C10; C10G; C10G11/00; C10G11/02; C10G11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A METHOD FOR PREPARING IMPROVED CATALYSTS FOR HYDROFORMING CONVERSION WHICH COMPRISES MIXING ANHYDROUS ALUMINUM ALCOHOLATE WITH AN ANHYDROUS PEPTIZING AGENT SELECTED FROM GROUP CONSISTING OF ACETIC ACID, FORMIC ACID, PROPIONIC ACID, GLYCOLIC ACID, LACTIC ACID, TARTARIC ACID, HYDROGEN CHLORIDE, HYDROGEN BROMIDE, ALUMINUM CHLORIDE AND ALUMINUM BROMIDE, ADDING WATER TO THE RESULTING MIXTURE TO HYDROLYZE THE ALCOHOLTE AND REGENERATE THE ALCOHOL AT A TEMPERATURE BETWEEN ABOUT 60 AND 220* F., SEPARATING A STABLE ALUMINA HYDROSOL FROM THE DIGESTED MIXTURE, MIXING SAID ALUMINA HYDROSOL WITH A ZINC-CONTAINING SOLUTION FREE FROM POLYVALENT ANIONS TO FORM A HOMOGENEOUS ZONC-ALUMINA HYDROSOL, COMBINING THE ZINC-ALUMINA HYDROSOL WITH AN AMMONIUM MOLYBDATE SOLUTION, SETTING THE RESULTING MIXTURE TO A HYDROGEL AND DRYING THE HYDROGEL TO FORM A ZINC-ALUMINA-MOLYBDENUM OXIDE CATALYST HAVING UNIFORM COMPOSITION THROUGHOUT.
Claim 2
Independent Claim
126 words
A METHOD FOR PREPARING IMPROVED CATALYSTS FOR HYDROFORMING CONVERSION WHICH COMPRISES MIXING ANHYDROUS ALUMINUM ALCOHOLATE WITH AN ANHYDROUS PEPTIZING AGENT SELECTED FROM GROUP CONSISTING OF ACETIC ACID, FORMIC ACID, PROPIONIC ACID, GLYCOLIC ACID, LACTIC ACID, TARTARIC ACID, HYDROGEN CHLORIDE, HYDROGEN BROMIDE, ALUMINUM CHLORIDE AND ALUMINUM BROMIDE, ADDING WATER TO THE RESULTING MIXTURE TO HYDROLYZE THE ALCOHOLTE AND REGENERATE THE ALCOHOL AT A TEMPERATURE BETWEEN ABOUT 60 AND 220* F., SEPARATING A STABLE ALUMINA HYDROSOL FROM THE DIGESTED MIXTURE, MIXING SAID ALUMINA HYDROSOL WITH A ZINC-CONTAINING SOLUTION FREE FROM POLYVALENT ANIONS TO FORM A HOMOGENEOUS ZONC-ALUMINA HYDROSOL, COMBINING THE ZINC-ALUMINA HYDROSOL WITH AN AMMONIUM MOLYBDATE SOLUTION, SETTING THE RESULTING MIXTURE TO A HYDROGEL AND DRYING THE HYDROGEL TO FORM A ZINC-ALUMINA-MOLYBDENUM OXIDE CATALYST HAVING UNIFORM COMPOSITION THROUGHOUT.
References Cited (Backward Citations)
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US2503168A
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US2474215A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |