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US2584824A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrolytic preparation of alkali metal chlorites

Assignee: Solvay SA
•
Filing: 1948-02-18
•
Granted: 1952-02-05
•
Expires: 1968-02-18
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Abstract

No abstract record available.

Inventors

  • 👤 Vanharen Lambert
  • 👤 Rossier Michel
  • 👤 Vandeur Louis

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 01:45
CPC Classifications
C; C01; C01B; C01B11/00; C01B11/08; C01B11/10; C25; C25B; C25B1/00; C25B1/01; C25B1/24; C25B1/26; Y; Y10; Y10S; Y10S204/00; Y10S204/03

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 66 words
THE PROCESS OF PREPARING AN ALKALI METAL CHLORINE, WHICH COMPRISES SUBJECTING TO ELECTROLYSIS AS A CATHOLYTE IN A DIAPHRAGMED ELECTROLYTIC CELL AN AQUEOUS SOLUTION COMPRISING AN ALKALI METAL HYDROXIDE, SIMULTANEOUSLY INTRODUCING CHLORINE DIOXIDE INTO DIRECT CONTACT WITH THE POLARIZED CATHODE IN A QUANTITY STOICHIOMETRICALLY IN EXCESS OF THE HYDROGEN DISCHARGED AT THE CATHODE, WHILE MAINTAINING THE CATHOLYTE SLIGHTLY ACID TO NEARLY NEUTRAL, THEREBY OBTAINING THE CHLORIDE.
Claim 2
Dependent Claim 66 words
THE PROCESS OF PREPARING AN ALKALI METAL CHLORINE, WHICH COMPRISES SUBJECTING TO ELECTROLYSIS AS A CATHOLYTE IN A DIAPHRAGMED ELECTROLYTIC CELL AN AQUEOUS SOLUTION COMPRISING AN ALKALI METAL HYDROXIDE, SIMULTANEOUSLY INTRODUCING CHLORINE DIOXIDE INTO DIRECT CONTACT WITH THE POLARIZED CATHODE IN A QUANTITY STOICHIOMETRICALLY IN EXCESS OF THE HYDROGEN DISCHARGED AT THE CATHODE, WHILE MAINTAINING THE CATHOLYTE SLIGHTLY ACID TO NEARLY NEUTRAL, THEREBY OBTAINING THE CHLORIDE.

References Cited (Backward Citations)

US809089A Cited
US2273795A Cited
US2169066A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-02-04 1955-08-06 1956-02-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-02-04 1959-08-06 1960-02-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-02-04 1963-08-06 1964-02-05 $7700.00 Window Closed / Lapsed

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