US3287244A
Expired / Lapsed
US
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Stable flow separation and analytical method
Assignee: Individual
•
Filing: 1960-03-23
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Granted: 1966-11-22
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Expires: 1980-03-23
Abstract
No abstract record available.
Inventors
- 👤 Howard C Mel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:57
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)
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 |