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US3804740A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrodes having a delafossite surface

Assignee: NORA INT CO
•
Filing: 1972-02-01
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Granted: 1974-04-16
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Expires: 1992-02-01
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Abstract

Abstract ELECTRODES USEFUL FOR ELECTROCHEMICAL REACTIONS ARE DISCLOSED. ALSO DISCLOSED ARE ELECTROLYTIC CELLS UTILIZING SUCH ELECTRODES AND THE USE OF SUCH ELECTRODES IN THE CONDUCT OF ELECTROCHEMICAL REACTIONS. THE ELECTRODES HAVE DELAFOSSITE SURFACES ON SUITABLE ELECTROCONDUCTIVE BASES. DELAFOSSITES ARE ELECTROCONDUCTIVE OXYCOMPOUNDS OF METALS AND INCLUDE PLATINUM COBALT DELAFOSSITE (PTCOO2), PALLADIUM COBALT DELAFOSSITE (PDCOO2), PALLADIUM CHROMINUM DELAFOSSITE (PDCRO2), PALLADIUM RHODIUM DELAFOSSITE (PDRHO2), PALLADIUM RUTHENIUM DELAFOSSITE (RDRUO2), PALLADIUM LEAD DELAFOSSITE (PDPBO2), THE PALLADIUM LANTHANIDE DELAFOSSITES, SILVER COBALT DELAFOSSITE (AGCOO2), SILVER GADOLINIUM DELAFOSSITE (AGGAO2), SILVER SCANDIUM DELAFOSSITE (AGSCO2), SILVER INDIUM DELAFOSSITE (AGINO2), SILVER THALLIUM DELAFOSSITE (TGTIO2), COPPER COBALT DELAFOSSITE (CUCOO2) AND COPPER IRON DELAFOSSITE (CUFEO2), INCLUDING THE MIMERAL DELAFOSSITE (CUFEO2).

Inventors

  • 👤 C Welch

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 23:41
CPC Classifications
C; C25; C25B; C25B11/00; C25B11/04; C25B11/051; C25B11/073

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-04-15 1977-10-15 1978-04-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-04-15 1981-10-15 1982-04-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-04-15 1985-10-15 1986-04-16 $7700.00 Window Closed / Lapsed

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