Patent US1849068A successfully refreshed from Google Patents.
Patent US3046233A successfully refreshed from Google Patents.
US3046233A
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Treatment of aqueous solutions
Assignee: Midland Ross Corp
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Filing: 1957-12-17
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Granted: 1962-07-24
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Expires: 1977-12-17
Abstract
No abstract record available.
Inventors
- 👤 Levy Eli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:37
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/52; C02F1/5236; B; B01; B01D; B01D17/00; B01D17/02; B01D17/0202; B01D17/04; B01D17/047; D; D01; D01F; D01F13/00; D01F13/02; Y; Y02; Y02P; Y02P70/00; Y02P70/50; Y02P70/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
A PROCESS FOR TREATING AN AQUEOUS SOLUTION CONTAINING OLEGAINOUS MATERIAL THE STEPS COMPRISING; ADDING A RELATIVELY SMALL AMOUNT OF AN AQUEOUS DISPERSION OF A COLLOIDAL CLAY TO SAID AQUEOUS SOLUTION; THROUGHTLY MIXING SAID DISPERSION AND SAID AQUEOUS SOLUTION IN THE PRESENCE OF A RELATIVELY SMALL AMOUNT OF CATION ACTIVE MATERIAL; AND SEPARATING OUT THE RESULTANT AGGLOMERATED CLAY-OLEGAINOUS MATERIAL COMPLEX FROM SAID AQUEOUS SOLUTION THEREBY LEAVING SAID AQUEOUS SOLUTION SUBSTANTIALLY FREE OF SAID OLEAGIINOUS MATERIAL AND READILY TREATABLE BY STANDARD RECOVERY PROCESSES.
Claim 2
Dependent Claim
81 words
A PROCESS FOR TREATING AN AQUEOUS SOLUTION CONTAINING OLEGAINOUS MATERIAL THE STEPS COMPRISING; ADDING A RELATIVELY SMALL AMOUNT OF AN AQUEOUS DISPERSION OF A COLLOIDAL CLAY TO SAID AQUEOUS SOLUTION; THROUGHTLY MIXING SAID DISPERSION AND SAID AQUEOUS SOLUTION IN THE PRESENCE OF A RELATIVELY SMALL AMOUNT OF CATION ACTIVE MATERIAL; AND SEPARATING OUT THE RESULTANT AGGLOMERATED CLAY-OLEGAINOUS MATERIAL COMPLEX FROM SAID AQUEOUS SOLUTION THEREBY LEAVING SAID AQUEOUS SOLUTION SUBSTANTIALLY FREE OF SAID OLEAGIINOUS MATERIAL AND READILY TREATABLE BY STANDARD RECOVERY PROCESSES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |