Patent US3347754A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3347754A Expired / Lapsed US ⏱️ 0.0 years remaining

High vacuum distillation

Assignee: BP PLC
•
Filing: 1964-06-03
•
Granted: 1967-10-17
•
Expires: 1984-06-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Thomas William Llewelyn

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 21:50
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/0011; B01D1/0017; B01D1/0082; B01D1/22; B01D1/222; B01D3/00; B01D3/10; Y; Y10; Y10S; Y10S159/00; Y10S159/01

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 183 words
A HIGH VACUUM CENTRIFUGAL DISTILLATION APPARATUS COMPRISING A ROTATABLE VAPORISER HAVING A VAPORISING SURFACE, A CONDENSER AND AN INLET CONDUIT FOR INTRODUCING DISTILLAND TO SAID VAPORISING SURFACE, SAID VAPORISER AND CONDENSER BEING SEPARATED BY SUBSTANTIALLY UNOBSTRUCTED SPACE, AND WHEREIN SAID VAPORISING SURFACE IS DIVIDED INTO A SERIES OF CONCENTRIC VAPORISATION ZONES, EACH ZONE BEING PROVIDED WITH A DRAINAGE CONDUIT SITUATED NEAR ITS OUTER PERIPHERY AND ADAPTED TO REMOVE SURPLUS LIQUID FROM THE ZONE, AND WHEREIN SAID INLET CONDUIT IS POSITIONED SO AS TO INTRODUCE DISTILLAND NEAR THE INNER BOUNDARY OF THE INNER ZONE AND THE CONDENSER COMPRISES A SERIES OF CONDENSING TRAYS, ONE FOR EACH VAPORISING ZONE, THE TRAYS SLOPING DOWNWARDLY TOWARDS THE OUTER CIRCUMFERENCE OF THE VAPORISER AND HAVING AN OUTER EDGE POSITIONED, IN THE CASE OF ALL TRAYS EXPECT THE LAST, OVER THE NEXT SUCCEEDING VAPORISATION ZONE NEAR ITS INNER BOUNDARY AND, IN THE CASE OF THE LAST TRAY OVER A COLLECTING ZONE, EACH TRAY BEING ADAPTED, IN THE USE OF THE APPARATUS, TO CONDENSE VAPOR FROM ITS ASSOCIATED VAPORISING ZONE AND TO DEPOSIT THE CONDENSED VAPOR FROM ITS OUTER EDGE.
Claim 2
Dependent Claim 183 words
A HIGH VACUUM CENTRIFUGAL DISTILLATION APPARATUS COMPRISING A ROTATABLE VAPORISER HAVING A VAPORISING SURFACE, A CONDENSER AND AN INLET CONDUIT FOR INTRODUCING DISTILLAND TO SAID VAPORISING SURFACE, SAID VAPORISER AND CONDENSER BEING SEPARATED BY SUBSTANTIALLY UNOBSTRUCTED SPACE, AND WHEREIN SAID VAPORISING SURFACE IS DIVIDED INTO A SERIES OF CONCENTRIC VAPORISATION ZONES, EACH ZONE BEING PROVIDED WITH A DRAINAGE CONDUIT SITUATED NEAR ITS OUTER PERIPHERY AND ADAPTED TO REMOVE SURPLUS LIQUID FROM THE ZONE, AND WHEREIN SAID INLET CONDUIT IS POSITIONED SO AS TO INTRODUCE DISTILLAND NEAR THE INNER BOUNDARY OF THE INNER ZONE AND THE CONDENSER COMPRISES A SERIES OF CONDENSING TRAYS, ONE FOR EACH VAPORISING ZONE, THE TRAYS SLOPING DOWNWARDLY TOWARDS THE OUTER CIRCUMFERENCE OF THE VAPORISER AND HAVING AN OUTER EDGE POSITIONED, IN THE CASE OF ALL TRAYS EXPECT THE LAST, OVER THE NEXT SUCCEEDING VAPORISATION ZONE NEAR ITS INNER BOUNDARY AND, IN THE CASE OF THE LAST TRAY OVER A COLLECTING ZONE, EACH TRAY BEING ADAPTED, IN THE USE OF THE APPARATUS, TO CONDENSE VAPOR FROM ITS ASSOCIATED VAPORISING ZONE AND TO DEPOSIT THE CONDENSED VAPOR FROM ITS OUTER EDGE.

References Cited (Backward Citations)

US2234166A Cited
US2298377A Cited
US2313175A Cited
US2446997A Cited
US2614973A Cited
US2617760A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-10-16 1971-04-17 1971-10-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-10-16 1975-04-17 1975-10-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-10-16 1979-04-17 1979-10-17 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag