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US3287244A Expired / Lapsed US ⏱️ 0.0 years remaining

Stable flow separation and analytical method

Assignee: Individual
•
Filing: 1960-03-23
•
Granted: 1966-11-22
•
Expires: 1980-03-23
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Abstract

No abstract record available.

Inventors

  • 👤 Howard C Mel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 18:52
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/447; G01N27/44756; G01N27/44769; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0391

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 190 words
A METHOD OF CONTINUOUSLY SEPARATING WITHIN AN ELONGATED SEPARATION CHAMBER AT LEAST ONE DISPERSED COMPONENT FROM A LIQUID DISPERSING PHASE CARRYING SAID COMPONENT CONSISTING OF INTROUDUCING SAID COMPONENT IN ITS LIQUID DISPERSING PHASE INTO ONE END OF SAID CHAMBER IN A CONTINUOUS STREAM AT A LAMINAR FLOW RATE; EXPOSING SAID STREAM TO A FORCE FIELD MEANS ACTING TRANSVERSELY ON THE STREAM WITH RESPECT TO THE DIRECTION OF FLOW OF THE STREAM THROUGH THE CHAMBER; ISOLATING SAID STREAM FROM SAID FORCE FIELD MEANS WITHIN THE CHAMBER BY SEMIPERMEABLE MEMBRANE MEANS; INTRODUCING AT SAID LAMINAR FLOW RATE INTO SAID CHAMBER BETWEEN SSID STREAM AND SAID MEMBRANE MEANS AND IN CONTACT WITH SAID STREAM AT LEAST ONE SPACER FLUID DIFFERING FROM SAID DISPERSING PHASE IN A PHYSICAL PROPERTY TO ESTABLISH A STABLE FREE BOUNDARY WITH SAID DISPERSING PHASE; SAID FORCE FIELD CAUSING SAID COMPONENT TO MIGRATE IN ACCORD WITH ITS MOBILITY IN SAID FORCE FIELD TRANSVERSELY WITH REPSECT TO SAID STREAM AND TO FORM A SEGREGATED BAND AT SAID STABLE FREE BOUNDARY; AND SEPARATELY WITHDRAWING SAID SPACER FLUID, THE COMPONENT COLLECTED AT SAID BOUNDARY AND THE REMNANT OF SAID STREAM FROM SAID CHAMBER.

References Cited (Backward Citations)

DE334120C Cited
US2073952A Cited
US2878178A Cited
US2853448A Cited
US3149060A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-11-21 1970-05-23 1970-11-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-11-21 1974-05-23 1974-11-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-11-21 1978-05-23 1978-11-22 $7700.00 Window Closed / Lapsed

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