US3214368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for treating immiscible liquids
Assignee: Rellumit Inter Sarl
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Filing: 1963-06-12
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Granted: 1965-10-26
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Expires: 1983-06-12
Abstract
No abstract record available.
Inventors
- 👤 Muller Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:00
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/04; B01D17/045; B01D17/08; B01D17/10; Y; Y10; Y10S; Y10S210/00; Y10S210/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A METHOD OF SEPARATING, FILTERING AND RECOVERING IMMISCIBLE LIQUIDS COMPRISING THE STEPS OF PASSING ALL SAID LIQUIDS UNDER PRESSURE THROUGH AT LEAST ONE DEGASSING AND FILTERING COLUMN CONTAINNG A STACK OF RINGS FORMED WITH MICROMETRIC GROOVES EACH BEING SUBSTANTIALLY THE SAME SIZE IN CROSS SECTION, AND THEN BRINGING SAID LIQUIDS UNDER PRESSURE INTO CONTACT WITH AT LEAST ONE SEPARATING COLUMN CONTAINING A STACK OF RINGS EACH FORMED WITH MICROMETRIC GROOVES OF SUBSTANTIALLY THE SAME SIZE AS EACH OTHER IN CROSS SECTION BUT SMALLER THAN THAT OF THE GROOVES OF SAID DEGASSING AND FILTERING COLUMN, WHEREBY ONLLY ONE OF SAID LIQUIDS PASSES THROUGH SAID SEPARATING COLUMN.
Claim 2
Independent Claim
105 words
A METHOD OF SEPARATING, FILTERING AND RECOVERING IMMISCIBLE LIQUIDS COMPRISING THE STEPS OF PASSING ALL SAID LIQUIDS UNDER PRESSURE THROUGH AT LEAST ONE DEGASSING AND FILTERING COLUMN CONTAINNG A STACK OF RINGS FORMED WITH MICROMETRIC GROOVES EACH BEING SUBSTANTIALLY THE SAME SIZE IN CROSS SECTION, AND THEN BRINGING SAID LIQUIDS UNDER PRESSURE INTO CONTACT WITH AT LEAST ONE SEPARATING COLUMN CONTAINING A STACK OF RINGS EACH FORMED WITH MICROMETRIC GROOVES OF SUBSTANTIALLY THE SAME SIZE AS EACH OTHER IN CROSS SECTION BUT SMALLER THAN THAT OF THE GROOVES OF SAID DEGASSING AND FILTERING COLUMN, WHEREBY ONLLY ONE OF SAID LIQUIDS PASSES THROUGH SAID SEPARATING COLUMN.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |