US3148139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the separation of materials
Assignee: ExxonMobil Oil Corp
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Filing: 1961-03-21
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Granted: 1964-09-08
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Expires: 1981-03-21
Abstract
No abstract record available.
Inventors
- 👤 John P Heller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:20
CPC Classifications
B; B01; B01D; B01D17/00; B01D43/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN A PROCESS FOR THE SEPARATION OF AT LEAST TWO MATERIALS IN ADMIXTURE WITH EACH OTHER AND HAVING DIFFERENT DIFFUSION CONSTANTS THE STEPS COMPRISING INTRODUCING A BODY OF SAID MATERIALS INTO A BODY OF LIUQID, SUBJECTING SAID BODY OF LIQUID CONTAINING SAID BODY OF SAID MATERIALS TO A FIRST PATTERN OF LAMINAR FLOW, THEREAFTER PERMITTING SAID BODY OF LIQUID CONTAINING SAID BODY OF SAID MATERIALS TO REMAIN QUIESCENT TO PERMIT DIFFUSION OF SAID MATERIALS WITHIN THE LIQUID, THEREAFTER SUBJECTING SAID BODY OF LIQUID CONTAINING SAID BODY OF SAID MATERIALS TO A SECOND PATTERN THE SAME AS SAID FIRST PATTERN OF LAMINAR FLOW BUT BEING LAMINAR FLOW WHEREBY SAID TWO MATERIALS BECOME SEPARATED FROM EACH OTHER WITHIN SAID BODY OF LIQUID, AND RECOVERING FROM SAID BODY OF LIQUID ONE OF SAID TWO MATERIALS THUS SEPARATED FROM SAID OTHER OF SAID TWO MATERIALS.
Claim 2
Dependent Claim
141 words
IN A PROCESS FOR THE SEPARATION OF AT LEAST TWO MATERIALS IN ADMIXTURE WITH EACH OTHER AND HAVING DIFFERENT DIFFUSION CONSTANTS THE STEPS COMPRISING INTRODUCING A BODY OF SAID MATERIALS INTO A BODY OF LIUQID, SUBJECTING SAID BODY OF LIQUID CONTAINING SAID BODY OF SAID MATERIALS TO A FIRST PATTERN OF LAMINAR FLOW, THEREAFTER PERMITTING SAID BODY OF LIQUID CONTAINING SAID BODY OF SAID MATERIALS TO REMAIN QUIESCENT TO PERMIT DIFFUSION OF SAID MATERIALS WITHIN THE LIQUID, THEREAFTER SUBJECTING SAID BODY OF LIQUID CONTAINING SAID BODY OF SAID MATERIALS TO A SECOND PATTERN THE SAME AS SAID FIRST PATTERN OF LAMINAR FLOW BUT BEING LAMINAR FLOW WHEREBY SAID TWO MATERIALS BECOME SEPARATED FROM EACH OTHER WITHIN SAID BODY OF LIQUID, AND RECOVERING FROM SAID BODY OF LIQUID ONE OF SAID TWO MATERIALS THUS SEPARATED FROM SAID OTHER OF SAID TWO MATERIALS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |