Patent US2592775A successfully refreshed from Google Patents.
US2592775A
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Preparation of catalyst containing silica and alumina or magnesia or both
Assignee: Universal Oil Products Co
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Filing: 1948-09-29
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Granted: 1952-04-15
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Expires: 1968-09-29
Abstract
No abstract record available.
Inventors
- 👤 James P West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:45
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/14; C; C07; C07B; C07B61/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A PROCESS FOR THE PRODUCTION OF A CATALYST COMPOSITE COMPRISING SILICA AND AT LEAST ONE METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINA AND MAGNESIA WHICH COMPRISES REACTING AN ALKYL ORTHO-SILICATE WITH AT LEAST ONE ORGANIC ACID METAL SALT SELECTED FROM THE GROUP CONSISTING OF A MONOBASIC ALUMINA ORGANIC ACID SALT AND A MAGNESIUM ORGANIC ACID SALT AT A TEMPERATURE OF FROM ABOUT 150* TO ABOUT 300* C. AND UNDER A PRESSURE SUFFICIENT TO MAINTAIN AT LEAST A PORTION OF THE REACTION MIXTURE IN LIQUID PHASE, AND CALCINING THE RESULTANT REACTION PRODUCT.
Claim 2
Dependent Claim
93 words
A PROCESS FOR THE PRODUCTION OF A CATALYST COMPOSITE COMPRISING SILICA AND AT LEAST ONE METAL OXIDE SELECTED FROM THE GROUP CONSISTING OF ALUMINA AND MAGNESIA WHICH COMPRISES REACTING AN ALKYL ORTHO-SILICATE WITH AT LEAST ONE ORGANIC ACID METAL SALT SELECTED FROM THE GROUP CONSISTING OF A MONOBASIC ALUMINA ORGANIC ACID SALT AND A MAGNESIUM ORGANIC ACID SALT AT A TEMPERATURE OF FROM ABOUT 150* TO ABOUT 300* C. AND UNDER A PRESSURE SUFFICIENT TO MAINTAIN AT LEAST A PORTION OF THE REACTION MIXTURE IN LIQUID PHASE, AND CALCINING THE RESULTANT REACTION PRODUCT.
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) | 1955-04-15 | 1955-10-15 | 1956-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-15 | 1959-10-15 | 1960-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-15 | 1963-10-15 | 1964-04-15 | $7700.00 | Window Closed / Lapsed |