Patent US2936291A successfully refreshed from Google Patents.
US2936291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalysts and catalytic preparations
Assignee: Standard Oil Co
•
Filing: 1957-09-05
•
Granted: 1960-05-10
•
Expires: 1977-09-05
Abstract
No abstract record available.
Inventors
- 👤 Edwin F Peters
- 👤 Bernard L Evering
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:45
CPC Classifications
C; C10; C10G; C10G45/00; C10G45/02; C10G45/04; C07; C07C; C07C5/00; C07C5/22; C07C5/23; C07C5/25; C07C5/2506; C07C5/2562; C08; C08F; C08F10/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A SOLID COMPOSITION PRODUCED BY CONTACTING A SOLID MATEIRAL CONSISTING ESSENTIALL OF AN OXIDE OF A METAL OF GROUP 5A OF THE MENDELEEFF PERIODIC TABLE WITH A SOLUTION, IN AN INERT SOLVENT, OF A HYDROCARBON ALUMINUM COMPOUND HAVING THE FORMULA AIR3, WHEREIN R IS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND MONOVALENT HYDROCARBON RADICALS, SAID ALUMINUM COMPOUND CONTAINING AT LEAST TWO OF SAID HYDROCARBON RADICALS, THE MOLAR RATIO OF SAID ALUMINUM COMPOUND TO SAID GROUP 5A METAL OXIDE BEING AT LEAST ABOUT 0.1.
Claim 2
Dependent Claim
84 words
A SOLID COMPOSITION PRODUCED BY CONTACTING A SOLID MATEIRAL CONSISTING ESSENTIALL OF AN OXIDE OF A METAL OF GROUP 5A OF THE MENDELEEFF PERIODIC TABLE WITH A SOLUTION, IN AN INERT SOLVENT, OF A HYDROCARBON ALUMINUM COMPOUND HAVING THE FORMULA AIR3, WHEREIN R IS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN AND MONOVALENT HYDROCARBON RADICALS, SAID ALUMINUM COMPOUND CONTAINING AT LEAST TWO OF SAID HYDROCARBON RADICALS, THE MOLAR RATIO OF SAID ALUMINUM COMPOUND TO SAID GROUP 5A 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) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |