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US3239461A Expired / Lapsed US ⏱️ 0.0 years remaining

Ion flotation method

Assignee: MGD Inc
•
Filing: 1959-12-29
•
Granted: 1966-03-08
•
Expires: 1979-12-29
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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)

US1483270A Cited
US1619036A Cited
US2921678A Cited
US2953569A Cited

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

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