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US2898284A Expired / Lapsed US ⏱️ 0.0 years remaining

Mercury cathode chlorine cell

Assignee: Dow Chemical Co
•
Filing: 1958-06-02
•
Granted: 1959-08-04
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Expires: 1978-06-02
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Abstract

No abstract record available.

Inventors

  • 👤 Marshall P Neipert
  • 👤 Robert D Blue
  • 👤 Howard E Houser

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 07:06
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/30; C25B9/303; C25B9/70; C25B11/00; C25B11/02; C25B11/033

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 233 words
IN A SLOT TYPE LIQUID CATHODE ELECTROLYTIC CELL HAVING A FLAT CATHODE BASE PLATE, A MONOLITHIC GRAPHITE ANODE HAVING A FLAT SURFACE FACING THE UPPER SURFACE OF SAID BASE PLATE, AND ELECTRODE SEPARATOR MEANS HAVING A POLYEONAL OPENING THROUGH WHICH SAID ANODES, MEANS FOR APPLYING BRINE AND MERCURY TO SAID CELL COMPRISING AN ELONGATED MERCURY INLET SLOT BEINBG DISPOSED SUBOF SAID BASE PLATE, SAID INLET SLOT BAING DISPOSED SUBSTANTIALLY PERPPENDICULARLY WITH RESPECT TO THE DIRECTION OF MERCURY FLOW THROUGH SAID CELL AND EXTENDING SUBSTANTIALLY COMPLETELY ACROSS THE OPENING OF SAID SEPARATOR FRAME, SAID BASE PLATE HAVING A RECESS IN THE TOP SURFACE THEREOF, THE EXTENDING FROM SAID SLOT TO THE FEED END THEREOF, THE MERCURY INLET SLOT HAVING A CURVED SURFACE ON THE FOWNSTREAM SIDE THEREOF, AND A REPLACEABLE BRINE NOZZLE HAVING AN ELONGATED SLOT-LIKE ORIFICE WHICH IS COEXTENSIVE IN LENGTH WITH THE LENGTH OF THE MERCURY SLOT, THE UPPER SURFACE OF SIDE ORIFICE BEING SUBSTANTIALLY ALIGNED WITH THE FLAT LOWER SURFACE OF SAID ANODE, THE LOWER SURFACE OF SAID ORIFICE BEING DISPOSED SLIGHTLY ABOVE THE SURFACE OF THAT PART OF SAID BASE PLATE WHICH IS DISPOSED DOWNSTREAM FROM SAID MERCURY INLET SLOT, THE LOWER PART OF SAID BASE PLATE, THE INNER END RECESS IN THE FEED END OF SAID BASE PLATE, THE INNER END OF THE LOWER PART OF SAID NOZZLE BEING CURVED IN THE DIRECTION OF MERCURY FLOW THROUGH SAID CELL.
Claim 2
Dependent Claim 233 words
IN A SLOT TYPE LIQUID CATHODE ELECTROLYTIC CELL HAVING A FLAT CATHODE BASE PLATE, A MONOLITHIC GRAPHITE ANODE HAVING A FLAT SURFACE FACING THE UPPER SURFACE OF SAID BASE PLATE, AND ELECTRODE SEPARATOR MEANS HAVING A POLYEONAL OPENING THROUGH WHICH SAID ANODES, MEANS FOR APPLYING BRINE AND MERCURY TO SAID CELL COMPRISING AN ELONGATED MERCURY INLET SLOT BEINBG DISPOSED SUBOF SAID BASE PLATE, SAID INLET SLOT BAING DISPOSED SUBSTANTIALLY PERPPENDICULARLY WITH RESPECT TO THE DIRECTION OF MERCURY FLOW THROUGH SAID CELL AND EXTENDING SUBSTANTIALLY COMPLETELY ACROSS THE OPENING OF SAID SEPARATOR FRAME, SAID BASE PLATE HAVING A RECESS IN THE TOP SURFACE THEREOF, THE EXTENDING FROM SAID SLOT TO THE FEED END THEREOF, THE MERCURY INLET SLOT HAVING A CURVED SURFACE ON THE FOWNSTREAM SIDE THEREOF, AND A REPLACEABLE BRINE NOZZLE HAVING AN ELONGATED SLOT-LIKE ORIFICE WHICH IS COEXTENSIVE IN LENGTH WITH THE LENGTH OF THE MERCURY SLOT, THE UPPER SURFACE OF SIDE ORIFICE BEING SUBSTANTIALLY ALIGNED WITH THE FLAT LOWER SURFACE OF SAID ANODE, THE LOWER SURFACE OF SAID ORIFICE BEING DISPOSED SLIGHTLY ABOVE THE SURFACE OF THAT PART OF SAID BASE PLATE WHICH IS DISPOSED DOWNSTREAM FROM SAID MERCURY INLET SLOT, THE LOWER PART OF SAID BASE PLATE, THE INNER END RECESS IN THE FEED END OF SAID BASE PLATE, THE INNER END OF THE LOWER PART OF SAID NOZZLE BEING CURVED IN THE DIRECTION OF MERCURY FLOW THROUGH SAID CELL.

References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-08-03 1963-02-02 1963-08-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-08-03 1967-02-02 1967-08-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-08-03 1971-02-02 1971-08-04 $7700.00 Window Closed / Lapsed

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