US2568844A — Process and apparatus for the electrolytic produc…

Claim 1

Independent Claim 208 words

AN ELECTROLYTIC FLUORINE CELL SUITABLE FOR THE ELECTROLYSIS OF A FLUORINE-CONTAINING LIQUID ELECTROLYTE, WHICH CELL COMPRISES A BODY PORTION HAVING SIDE, TOP AND BOTTOM WALLS, AN ANODE SPACED FROM THE SIDE WALLS AND EXTENDING VERTICALLY FROM A POINT SUBSTANTIALLY ABOVE THE BOTTOM WALL TO A POINT SUBSTANTIALLY BELOW TO TOP WALL, A CATHODE SPACED FROM THE ANODE AND FROM THE SIDE WALLS AND EXTENDING VERTICALLY FROM A POINT SUBA SUBSTANTIAL DISTANCE BELOW THE TOP WALL BETWEEN STANTIALY BELOW THE TOP WALL, AN IMPERMEABLE WALL EXTENDING DOWNWARDLY FROM THE TOP WALL BETWEEN A SUBSTANTIAL DISTANCE BELOW THE TOP WALL BETWEEN BUT SPACED FROM THE ANODE AND THE CATHODE, A FORAMINOUS DIAPHRAGM DEPENDING FROM THE IMPERMEABLE WALL BETWEEN BUT SPACED FROM THE ANODE AND THE CATHODE, THE IMPERMEABLE WALL AND THE DIAPHRAGM DIVIDING THE CELL INTO AN ANODE COMPARTMENT AND A CATHODE COMPARTMENT, AND HEAT EXCHANGE MEANS IN BACK OF THE ANODE AND IN BACK OF CATHODE IN CONTACT WITH THE ELECTROLYTE TO CONTROL THE TEMPERATURE OF THE ELECTROLYTE, THE ANODE AND THE CATHODE BEING SO POSITIONED RELATIVE TO THE TOP WALL AND TO THE OTHER PARTS OF THE CELL AS TO PROVIDE A PASSAGE FOR THE FREE CIRCULATION OF THE ELECTROLYTE VERTICALLY ABOUT THE ANODE AND ABOUT THE CATHODE.

Claim 2

Dependent Claim 208 words

AN ELECTROLYTIC FLUORINE CELL SUITABLE FOR THE ELECTROLYSIS OF A FLUORINE-CONTAINING LIQUID ELECTROLYTE, WHICH CELL COMPRISES A BODY PORTION HAVING SIDE, TOP AND BOTTOM WALLS, AN ANODE SPACED FROM THE SIDE WALLS AND EXTENDING VERTICALLY FROM A POINT SUBSTANTIALLY ABOVE THE BOTTOM WALL TO A POINT SUBSTANTIALLY BELOW TO TOP WALL, A CATHODE SPACED FROM THE ANODE AND FROM THE SIDE WALLS AND EXTENDING VERTICALLY FROM A POINT SUBA SUBSTANTIAL DISTANCE BELOW THE TOP WALL BETWEEN STANTIALY BELOW THE TOP WALL, AN IMPERMEABLE WALL EXTENDING DOWNWARDLY FROM THE TOP WALL BETWEEN A SUBSTANTIAL DISTANCE BELOW THE TOP WALL BETWEEN BUT SPACED FROM THE ANODE AND THE CATHODE, A FORAMINOUS DIAPHRAGM DEPENDING FROM THE IMPERMEABLE WALL BETWEEN BUT SPACED FROM THE ANODE AND THE CATHODE, THE IMPERMEABLE WALL AND THE DIAPHRAGM DIVIDING THE CELL INTO AN ANODE COMPARTMENT AND A CATHODE COMPARTMENT, AND HEAT EXCHANGE MEANS IN BACK OF THE ANODE AND IN BACK OF CATHODE IN CONTACT WITH THE ELECTROLYTE TO CONTROL THE TEMPERATURE OF THE ELECTROLYTE, THE ANODE AND THE CATHODE BEING SO POSITIONED RELATIVE TO THE TOP WALL AND TO THE OTHER PARTS OF THE CELL AS TO PROVIDE A PASSAGE FOR THE FREE CIRCULATION OF THE ELECTROLYTE VERTICALLY ABOUT THE ANODE AND ABOUT THE CATHODE.

Claim 3

Dependent Claim 188 words

IN THE ELECTROLYTIC PRODUCTION OF FLUORINE IN AN ELECTROLYTIC CELL HAVING AN ANODE COMPARTMENT AND A CATHODE COMPARTMENT SEPARATED BY AN UPPER IMPERMEABLE PARTITAION AND FORAMINOUS DIAPHRAGM DEPENDING THEREFROM, A VERTICAL ANODE IN THE ONODE COMPARTMENT SPACED FROM THE OTHER PARTS OF THE CELL, A VERTICAL CATHODE IN THE CATHODE COMPARTMENT SPACED FROM THE OTHER PARTS OF THE CELL, AND HEAT EXCHANGE MEANS BACK OF THE ANODE AND BACK OF THE CATHODE; THE METHOD WHICH COMPRISES MAINTAINING AN ELECTROLYTE IN THE CELL AT A LEVEL ABOVE THE TOPS OF THE ANODE AND THE CATHODE AND ABOVE THE LOWER EDGE OF THE IMPERMEABLE WALL WHILE MAINTAINING A GAS SPACE ABOVE THE ELECTROYLTE, SUCH ELECTROLYTE HAVING A CONSTITUTION SUBSTANTIALLY IN THE RANGE KF1.8HF TO KF3HF, PASSING AN ELECTROLYZING CURRENT THROUGH THE ANODE, ELECTROLYTE AND CATHODE, MAINTAINING THE ELECTROLYTE IN FLUID CONDITON AND PREVENTING EXCESSES LOSS OF HF FROM THE ELECTROLYTE BY VOLATILIZATION BY PASSING A COOLING FLUID THROUGH THE HEAT EXCHANGE MEANS, AND SIMULTANEOUSLY CIRCULATING THE ELECTROLYTE VERTICALLY ABOUT THE ANODE AND THE CATHODE SOLELY BY THE COMBINED HEATING, COOLING AND GAS FORMATION PRODUCED IN THE OPERATION OF THE CELL.

Claim 4

Dependent Claim 188 words

IN THE ELECTROLYTIC PRODUCTION OF FLUORINE IN AN ELECTROLYTIC CELL HAVING AN ANODE COMPARTMENT AND A CATHODE COMPARTMENT SEPARATED BY AN UPPER IMPERMEABLE PARTITAION AND FORAMINOUS DIAPHRAGM DEPENDING THEREFROM, A VERTICAL ANODE IN THE ONODE COMPARTMENT SPACED FROM THE OTHER PARTS OF THE CELL, A VERTICAL CATHODE IN THE CATHODE COMPARTMENT SPACED FROM THE OTHER PARTS OF THE CELL, AND HEAT EXCHANGE MEANS BACK OF THE ANODE AND BACK OF THE CATHODE; THE METHOD WHICH COMPRISES MAINTAINING AN ELECTROLYTE IN THE CELL AT A LEVEL ABOVE THE TOPS OF THE ANODE AND THE CATHODE AND ABOVE THE LOWER EDGE OF THE IMPERMEABLE WALL WHILE MAINTAINING A GAS SPACE ABOVE THE ELECTROYLTE, SUCH ELECTROLYTE HAVING A CONSTITUTION SUBSTANTIALLY IN THE RANGE KF1.8HF TO KF3HF, PASSING AN ELECTROLYZING CURRENT THROUGH THE ANODE, ELECTROLYTE AND CATHODE, MAINTAINING THE ELECTROLYTE IN FLUID CONDITON AND PREVENTING EXCESSES LOSS OF HF FROM THE ELECTROLYTE BY VOLATILIZATION BY PASSING A COOLING FLUID THROUGH THE HEAT EXCHANGE MEANS, AND SIMULTANEOUSLY CIRCULATING THE ELECTROLYTE VERTICALLY ABOUT THE ANODE AND THE CATHODE SOLELY BY THE COMBINED HEATING, COOLING AND GAS FORMATION PRODUCED IN THE OPERATION OF THE CELL.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1954-09-24	1955-03-26	1955-09-25	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1958-09-24	1959-03-26	1959-09-25	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	1962-09-24	1963-03-26	1963-09-25	$7700.00	Window Closed / Lapsed

Process and apparatus for the electrolytic production of fluorine

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