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US2936291A Expired / Lapsed US ⏱️ 0.0 years remaining

Catalysts and catalytic preparations

Assignee: Standard Oil Co
•
Filing: 1957-09-05
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Granted: 1960-05-10
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Expires: 1977-09-05
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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 14:54
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)

US2699457A Cited
US2781410A Cited
US2727024A Cited

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

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