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US2867582A Expired / Lapsed US ⏱️ 0.0 years remaining

Separation of compounds of varying adsorbabilities

Assignee: Sunoco Inc
•
Filing: 1956-04-24
•
Granted: 1959-01-06
•
Expires: 1976-04-24
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Frank R Shuman
  • 👤 Fear James Van Dyck

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 00:53
CPC Classifications
B; B01; B01D; B01D15/00; B01D15/08; B01D15/10; B01D15/18; C; C07; C07C; C07C7/00; C07C7/12; C07C7/13; Y; Y10; Y10S; Y10S494/00; Y10S494/901

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 189 words
A PROCESS FOR SEPARATING MIXTURES OF COMPOUNDS OF VARYING ADSORBABILITIES WHICH COMPRISES CONTINOUSLY INTRODUCING A FEED STOCK COMPRISING MATERIAL OF RELATIVELY HIGH ADSORBABILITY AND MATERIAL OF RELATIVELY LOW ADSORBABILITY TO THE INTERIOR OF A CENTRIFUGE WHEEL AT A POINT INTERMEDIATE THE HUB AND PERIPHERY OF SAID WHEEL, CONTINUOUSLY INTRODUCING FINELY DIVIDED ADSORBENT MATERIAL ON WHICH THE MATERIAL OF RELATIVELY HIGH ADSORBABILITY IS MORE READILY ADSORBED THAN THE MATERIAL OF RELATIVELY LOW ADSORBABILITY TO THE INTERIOR OF THE CENTRIFUGE WHEEL AT A POINT NEARER THE HUB THEREOF THAN THE POINT OF INTRODUCTION OF THE FEED STOCK, CAUSING THE ADSORBENT MATERIAL TO MOVE COUNTERCURRENTLY TO THE FEED STOCK UNDER THE INFLUENCE OF CENTRIFUGAL FORCE, WITHDRAWING ADSORBENT MATERIAL HAVING ADSORBED THEREON MATERIAL OF RELATIVELY HIGH ADSORBABILITY FROM A POINT IN THE CENTRIFUGE WHEEL NEARER THE PERIPHERY THEREOF THAN THE POINT OF INTRODUCTION OF THE FEED STOCK, RECOVERING MATERIAL OF RELATIVELY HIGH ADSORBABILITY FROM THE SO WITHDRAWN ADSORBENT MATERIAL, AND WITHDRAWING A STREAM SUBSTANTIALLY DEPLETED IN MATERIAL OF RELATIVELY HIGH ADSORBABILITY FROM A POINT IN THE CENTRIFUGE WHEEL NEARER THE HUB OF THE WHEEL THAN THE POINT OF INTRODUCTION OF THE ADSORBENT MATERIAL.
Claim 2
Dependent Claim 189 words
A PROCESS FOR SEPARATING MIXTURES OF COMPOUNDS OF VARYING ADSORBABILITIES WHICH COMPRISES CONTINOUSLY INTRODUCING A FEED STOCK COMPRISING MATERIAL OF RELATIVELY HIGH ADSORBABILITY AND MATERIAL OF RELATIVELY LOW ADSORBABILITY TO THE INTERIOR OF A CENTRIFUGE WHEEL AT A POINT INTERMEDIATE THE HUB AND PERIPHERY OF SAID WHEEL, CONTINUOUSLY INTRODUCING FINELY DIVIDED ADSORBENT MATERIAL ON WHICH THE MATERIAL OF RELATIVELY HIGH ADSORBABILITY IS MORE READILY ADSORBED THAN THE MATERIAL OF RELATIVELY LOW ADSORBABILITY TO THE INTERIOR OF THE CENTRIFUGE WHEEL AT A POINT NEARER THE HUB THEREOF THAN THE POINT OF INTRODUCTION OF THE FEED STOCK, CAUSING THE ADSORBENT MATERIAL TO MOVE COUNTERCURRENTLY TO THE FEED STOCK UNDER THE INFLUENCE OF CENTRIFUGAL FORCE, WITHDRAWING ADSORBENT MATERIAL HAVING ADSORBED THEREON MATERIAL OF RELATIVELY HIGH ADSORBABILITY FROM A POINT IN THE CENTRIFUGE WHEEL NEARER THE PERIPHERY THEREOF THAN THE POINT OF INTRODUCTION OF THE FEED STOCK, RECOVERING MATERIAL OF RELATIVELY HIGH ADSORBABILITY FROM THE SO WITHDRAWN ADSORBENT MATERIAL, AND WITHDRAWING A STREAM SUBSTANTIALLY DEPLETED IN MATERIAL OF RELATIVELY HIGH ADSORBABILITY FROM A POINT IN THE CENTRIFUGE WHEEL NEARER THE HUB OF THE WHEEL THAN THE POINT OF INTRODUCTION OF THE ADSORBENT MATERIAL.

References Cited (Backward Citations)

US2507893A Cited
US1657941A Cited
US2093645A Cited
US2614133A Cited
US2646451A Cited
US2678133A Cited
US2696307A Cited
FR1110315A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-01-05 1962-07-07 1963-01-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-01-05 1966-07-07 1967-01-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-01-05 1970-07-07 1971-01-06 $7700.00 Window Closed / Lapsed

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