US3239461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion flotation method
Assignee: MGD Inc
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Filing: 1959-12-29
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Granted: 1966-03-08
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Expires: 1979-12-29
Abstract
No abstract record available.
Inventors
- 👤 Sebba Felix
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:44
CPC Classifications
B; B03; B03D; B03D1/00; B03D1/001; B03D1/004; B03D1/008; B03D2201/00; B03D2201/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
183 words
A PROCESS FOR THE RECOVERY OF ORGANIC NON-PROTEIN IONS FROM A POLAR SOLUTION THEREOF BY A TECHNIQUE WHEREIN A UNIQUE FLOTABLE REACTION PRODUCT IS FORMED AND SEPARATED BY FROTH FLOTATION, COMPRISING CONTACTING SAID ORGANIC IONS WHILE IN SAID POLAR SOLUTION WITH AN OPPOSITELY-CHARGED, ION-PRODUCING, SURFACE-ACTIVE COLLECTOR HAVING AT LEAST ONE HYDROPHILLIC AND ONE AEROPHILIC CENTER OF ACTIVITY, SAID COLLECTOR BEING SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL-, ARYLALKYL-AMINES AND THE CORRESPONDING AMINE SALTS AND QUATERNARY AMMONIUM HALOGEN SALTS, AND A TRIGLYCERIDE DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF PLANT AND ANIMAL TRIGLYCERIDES HAVING FROM 5 TO 24 CARBON ATOMS IN EACH OF ITS AEROPHILIC CENTERS OF ACTIVITY AT COLLECTOR CONCENTRATIONS BELOW THE CRITICAL MICELLE CONCENTRATION OF SAID COLLECTOR, TO FORM A REACTION PRODUCT, AND REACTION PRODUCT BEING OF A MONOMOLECULAR NATURE CAPABLE OF ADSORPTION AT THE INTERFACE OF AN AIR BUBBLE BY REASON OF THE AEROPHILIC ACTIVITY OF SAID COLLECTOR, BUOYING THE REACTION PRODUCT WITH AIR BUBBLES TO FORM A FROTH ON THE SURFACE OF THE SOLUTION WHILE MAINTAINING SAID SURFACE SUBSTANTIALLY QUIESCENT, REMOVING THE FROTH, AND RECOVERING THE REACTION PRODUCT THEREFROM.
Claim 2
Dependent Claim
183 words
A PROCESS FOR THE RECOVERY OF ORGANIC NON-PROTEIN IONS FROM A POLAR SOLUTION THEREOF BY A TECHNIQUE WHEREIN A UNIQUE FLOTABLE REACTION PRODUCT IS FORMED AND SEPARATED BY FROTH FLOTATION, COMPRISING CONTACTING SAID ORGANIC IONS WHILE IN SAID POLAR SOLUTION WITH AN OPPOSITELY-CHARGED, ION-PRODUCING, SURFACE-ACTIVE COLLECTOR HAVING AT LEAST ONE HYDROPHILLIC AND ONE AEROPHILIC CENTER OF ACTIVITY, SAID COLLECTOR BEING SELECTED FROM THE GROUP CONSISTING OF ALKYL, ARYL-, ARYLALKYL-AMINES AND THE CORRESPONDING AMINE SALTS AND QUATERNARY AMMONIUM HALOGEN SALTS, AND A TRIGLYCERIDE DERIVATIVE SELECTED FROM THE GROUP CONSISTING OF PLANT AND ANIMAL TRIGLYCERIDES HAVING FROM 5 TO 24 CARBON ATOMS IN EACH OF ITS AEROPHILIC CENTERS OF ACTIVITY AT COLLECTOR CONCENTRATIONS BELOW THE CRITICAL MICELLE CONCENTRATION OF SAID COLLECTOR, TO FORM A REACTION PRODUCT, AND REACTION PRODUCT BEING OF A MONOMOLECULAR NATURE CAPABLE OF ADSORPTION AT THE INTERFACE OF AN AIR BUBBLE BY REASON OF THE AEROPHILIC ACTIVITY OF SAID COLLECTOR, BUOYING THE REACTION PRODUCT WITH AIR BUBBLES TO FORM A FROTH ON THE SURFACE OF THE SOLUTION WHILE MAINTAINING SAID SURFACE SUBSTANTIALLY QUIESCENT, REMOVING THE FROTH, AND RECOVERING THE REACTION PRODUCT THEREFROM.
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) | 1969-03-07 | 1969-09-06 | 1970-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-07 | 1973-09-06 | 1974-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-07 | 1977-09-06 | 1978-03-08 | $7700.00 | Window Closed / Lapsed |