Patent US3238124A successfully refreshed from Google Patents.
US3238124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for treating waste liquids
Assignee: Microphor Inc
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Filing: 1965-03-08
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Granted: 1966-03-01
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Expires: 1985-03-08
Abstract
No abstract record available.
Inventors
- 👤 Robert E Burton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:45
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/10; C02F3/06; C02F3/103; Y; Y02; Y02W; Y02W10/00; Y02W10/10; Y10; Y10S; Y10S4/00; Y10S4/09; Y10S4/10; Y10S4/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
IN A METHOD FOR SEPARATING ORGANIC COLLOIDAL SOLIDS AND OTHER ORGANIC SOLID WASTE MATERIALS FROM LIQUIDS, THE STEPS OF FORMING AN AQUEOUS LIQUID BODY AS PART OF A CLOSED SYSTEM, DISPERSING A PROFUSION OF SUBSTANTIALLY INDIVIDUALIZED BARK FIBERS IN SAID LIQUID BODY, A LARGE PROPORTION OF SAID FIBERS BEING PRESENT AS SUBSTANTIALLY INDIVIDUALIZED UNITS DISPERSED THROUGHOUT SAID BODY OF LIQUID, INTRODUCING WASTE LIQUID CONTAINING SUSPENDED COLLOIDAL SOLIDS TO SAID LIQUID BODY TO EFFECT INTERMIXING OF THE LIQUIDS, SAID COLLOIDAL SOLIDS BEING ATTRACTED TO AND CAUSED TO ADHERE TO SAID INDIVIDUALIZED FIBERS, SEPARATING A PARTIALLY CLARIFIED PORTION OF THE INTERMIXED LIQUIDS FROM SAID FIBERS AND ATTACHED COLLOIDAL SOLIDS, CIRCULATING SAID SEPARATED PORTION OF THE INTERMIXED LIQUIDS AS A THIN LIQUID FILM THROUGH A LIQUID-GAS CONTACT ZONE, SIMULTANEOUSLY CIRCULATING AN OXYGEN-CONTAINING GAS THROUGH SAID LIQUID-GAS CONTACT ZONE, RETURNING SAID SEPARATED PORTION OF THE INTERMIXED LIQUIDS TO SAID LIQUID BODY, AND CONTINUOUSLY SEPARATING AND REMOVING THE COLLOIDAL SOLIDS FROM THE BARK FIBERS IN SAID LIQUID BODY TO PERMIT THE RENEWED USE OF SAID FIBERS IN ATTRACTING COLLOIDAL SOLIDS.
Claim 2
Dependent Claim
175 words
IN A METHOD FOR SEPARATING ORGANIC COLLOIDAL SOLIDS AND OTHER ORGANIC SOLID WASTE MATERIALS FROM LIQUIDS, THE STEPS OF FORMING AN AQUEOUS LIQUID BODY AS PART OF A CLOSED SYSTEM, DISPERSING A PROFUSION OF SUBSTANTIALLY INDIVIDUALIZED BARK FIBERS IN SAID LIQUID BODY, A LARGE PROPORTION OF SAID FIBERS BEING PRESENT AS SUBSTANTIALLY INDIVIDUALIZED UNITS DISPERSED THROUGHOUT SAID BODY OF LIQUID, INTRODUCING WASTE LIQUID CONTAINING SUSPENDED COLLOIDAL SOLIDS TO SAID LIQUID BODY TO EFFECT INTERMIXING OF THE LIQUIDS, SAID COLLOIDAL SOLIDS BEING ATTRACTED TO AND CAUSED TO ADHERE TO SAID INDIVIDUALIZED FIBERS, SEPARATING A PARTIALLY CLARIFIED PORTION OF THE INTERMIXED LIQUIDS FROM SAID FIBERS AND ATTACHED COLLOIDAL SOLIDS, CIRCULATING SAID SEPARATED PORTION OF THE INTERMIXED LIQUIDS AS A THIN LIQUID FILM THROUGH A LIQUID-GAS CONTACT ZONE, SIMULTANEOUSLY CIRCULATING AN OXYGEN-CONTAINING GAS THROUGH SAID LIQUID-GAS CONTACT ZONE, RETURNING SAID SEPARATED PORTION OF THE INTERMIXED LIQUIDS TO SAID LIQUID BODY, AND CONTINUOUSLY SEPARATING AND REMOVING THE COLLOIDAL SOLIDS FROM THE BARK FIBERS IN SAID LIQUID BODY TO PERMIT THE RENEWED USE OF SAID FIBERS IN ATTRACTING COLLOIDAL SOLIDS.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |