Patent US2137905A successfully refreshed from Google Patents.
US2963447A
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Catalysts and their preparation
Assignee: Standard Oil Co
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Filing: 1957-10-31
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Granted: 1960-12-06
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Expires: 1977-10-31
Abstract
No abstract record available.
Inventors
- 👤 Edwin F Peters
- 👤 Bernard L Evering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:20
CPC Classifications
B; B01; B01J; B01J31/00; B01J31/02; B01J31/12; B01J31/14; B01J31/143; B01J23/00; B01J23/16; B01J23/24; B01J23/28; B01J31/26; B01J31/34; C; C08; C08F; C08F10/00; C08F10/02; B01J21/00; B01J21/02; B01J21/04; B01J2231/00; B01J2231/10; B01J2231/12; B01J2231/50; B01J2231/52; B01J2231/60; B01J2231/64; B01J2231/641; B01J2231/645; B01J31/16; B01J31/1616; C08F110/00; C08F110/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A SOLID COMPOSITION PRODUCED BY CONTACTING A SOLID MATERIAL CONSISTING ESSENTIALLY OF A MINOR PROPERTION BY WEIGHT OF AN OXIDE OF A METAL OF GROUP 6A OF THE MENDELEEFF PERIODIC TABLE EXTENDED UPON A MAJOR PROPORTION BY WEIGHT OF AN INERT SOLID CATALYST SUPPORT WITH A SOLUTION, IN AN INERT SOLVENT, OF A HYDROCARBON ALUMINUM COMPOUND HAVING THE FORMULA A1R3, WHEREIN R IS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND MONOVALENT HTDROCARBON EADICALS, SAID ALUMINUM COMPOUND CONTAINING AT LEAST TWO OF SAID HYDROCARBON RADICALS, THE MOLAR RATIO OF SAID ALUMINUM COMPOUND TO SAID GROUP 6A METAL OXIDE BEING AT LEAST ABOUT 0.1.
Claim 2
Dependent Claim
103 words
A SOLID COMPOSITION PRODUCED BY CONTACTING A SOLID MATERIAL CONSISTING ESSENTIALLY OF A MINOR PROPERTION BY WEIGHT OF AN OXIDE OF A METAL OF GROUP 6A OF THE MENDELEEFF PERIODIC TABLE EXTENDED UPON A MAJOR PROPORTION BY WEIGHT OF AN INERT SOLID CATALYST SUPPORT WITH A SOLUTION, IN AN INERT SOLVENT, OF A HYDROCARBON ALUMINUM COMPOUND HAVING THE FORMULA A1R3, WHEREIN R IS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND MONOVALENT HTDROCARBON EADICALS, SAID ALUMINUM COMPOUND CONTAINING AT LEAST TWO OF SAID HYDROCARBON RADICALS, THE MOLAR RATIO OF SAID ALUMINUM COMPOUND TO SAID GROUP 6A METAL OXIDE BEING AT LEAST ABOUT 0.1.
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) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |