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US3790473A Expired / Lapsed US ⏱️ 0.0 years remaining

Tetrametallic hydrocarbon conversion catalyst and uses thereof

Assignee: Universal Oil Products Co
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Filing: 1972-11-06
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Granted: 1974-02-05
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Expires: 1992-11-06
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Abstract

Abstract A CATALYTIC COMPOSITE COMPRISING A COMBINATION OF CATALYTICALLY EFFECTIVE AMOUNTS OF A PLATINUM OR PALLADIUM COMPONENT, AN IRIDIUM COMPONENT, A RHENIUM COMPONENT AND A TIN COMPONENT WITH A POROUS CARRIER MATERIAL IS DISCLOSED. THE PRIMCIPAL UTILITY OF THIS COMPOSITE IS IN THE CONVERSION OF HYDROCARBONS, PARTICULARLY IN THE REFORMING OF A GASOLINE FRACTION. A SPECIFIC EXAMPLE OF THE DISCLOSED CATALYTIC COMPOSITE IS A COMBINATION OF A PLATINUM COMPONENT, AN IRIDIUM COMPONENT, A RHENIUM COMPONENT, A TIN COMPONENT, AND A HALOGEN COMPONENT WITH AN ALUMINA CARRIER MATERIAL IN AMOUNTS SUFFICIENTLY TO RESULT IN A COMPOSITE CONTAINING, ON AN ELEMENTAL BASIS, ABOUT :.0.01 TO 2 WT. PERCENT PLATINUM, ABOUT 0.01 TO ABOUT 2 WT. PERCENT IRIDIUM, ABOUT 0.01 TO 2 WT. PERCENT RHENIUM, ABOUT 0.01 TO 5 WT. PERCENT TIN AND ABOUT 0.1 TO 3.5 WT. PERCENT HALOGEN.

Inventors

  • 👤 R Rausch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 20:54
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/54; B01J23/56; B01J23/62; B01J23/622; B01J23/626; B01J23/64; B01J23/656; B01J23/6567; B01J29/00; B01J29/04; B01J29/06; B01J29/076; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085; C10G35/09

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1977-02-04 1977-08-06 1978-02-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-02-04 1981-08-06 1982-02-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-02-04 1985-08-06 1986-02-05 $7700.00 Window Closed / Lapsed

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