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US2604441A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of producing inorganic compounds of increased oxidation state

Assignee: Pennsylvania Salt Manufacturing Co
•
Filing: 1947-11-04
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Granted: 1952-07-22
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Expires: 1967-11-04
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Abstract

No abstract record available.

Inventors

  • 👤 Russell E Cushing

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 19:21
CPC Classifications
C; C25; C25B; C25B11/00; C25B11/02; B; B03; B03C; B03C1/00; B03C1/002; C25B1/00; C25B1/01

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 186 words
THE METHOD OF PRODUCING AN INORGANIC COMPOUND OF AN INCREASED OXIDATION STATE COMPRISING INSERTING AN ELECTROLYTE FORM OF A WATER SOLUTION OF A CORRESPONDING COMPOUND OF LOWER STATE OF OXIDATION A PAIR OF ELECTRODES WITH ELECTRIC LEADS CONNECTED THERETO, SAID ELECTRODES COMPRISING AN ANODE AND A CATHODE, SAID ANODE BEING FORMED OF MATERIALL OF THE GROUP CONSISTING OF PLATINUM, GOLD, TANTALUM, IRIDIUM, AND PALLADIUM AND HAVING AN ACTIVE SURFACE OF SUBSTANTIALLY UNIFORM WIDTH AND A BODY OF PROGRESSIVELY DECREASING CROSS-SECTIONAL AREA FROM ONE END TO THE OTHER THE CONDUCTIVITY BEING GREATEST AT ITS END OF GREATEST CROSS-SECTIONAL AREA AND PROGRESSIVELY DECREASEING WITH DECREASE IN CROSS-SECTIONAL AREA TOWARD ITS END OF SMALLEST CROSS-SECTIONAL AREA MAINTAINING SUBSTANTIALLY EQUAL THE POTENTIAL BETWEEN ALL FACES AREA OF SAID ELECTRODES BY PASSING SUBSTANTIALLY ALL OF THE CURRENT THROUGH SAID ANODE PORTION OF GREATEST CONDUCTIVITY AND PASSING SUBSTANTIALLY EQUAL INCREMENTS OF CURRENT FROM SAID ANODE TO SAID ELECTROLYTE AT VARIOUS PORTIONS OF SAID ANODE SPACED FROM SAID PORTION OF GREATEST CONDUCTIVITY, AND THEREBY PROGRESSIVELY DECREASING THE FLOW OF CURRENT THROUGH SAID ANODE AT SUCCESSIVE PORTIONS WITH DECREASE OF CONDUCTIVITY IN SAID ANODE.
Claim 2
Independent Claim 186 words
THE METHOD OF PRODUCING AN INORGANIC COMPOUND OF AN INCREASED OXIDATION STATE COMPRISING INSERTING AN ELECTROLYTE FORM OF A WATER SOLUTION OF A CORRESPONDING COMPOUND OF LOWER STATE OF OXIDATION A PAIR OF ELECTRODES WITH ELECTRIC LEADS CONNECTED THERETO, SAID ELECTRODES COMPRISING AN ANODE AND A CATHODE, SAID ANODE BEING FORMED OF MATERIALL OF THE GROUP CONSISTING OF PLATINUM, GOLD, TANTALUM, IRIDIUM, AND PALLADIUM AND HAVING AN ACTIVE SURFACE OF SUBSTANTIALLY UNIFORM WIDTH AND A BODY OF PROGRESSIVELY DECREASING CROSS-SECTIONAL AREA FROM ONE END TO THE OTHER THE CONDUCTIVITY BEING GREATEST AT ITS END OF GREATEST CROSS-SECTIONAL AREA AND PROGRESSIVELY DECREASEING WITH DECREASE IN CROSS-SECTIONAL AREA TOWARD ITS END OF SMALLEST CROSS-SECTIONAL AREA MAINTAINING SUBSTANTIALLY EQUAL THE POTENTIAL BETWEEN ALL FACES AREA OF SAID ELECTRODES BY PASSING SUBSTANTIALLY ALL OF THE CURRENT THROUGH SAID ANODE PORTION OF GREATEST CONDUCTIVITY AND PASSING SUBSTANTIALLY EQUAL INCREMENTS OF CURRENT FROM SAID ANODE TO SAID ELECTROLYTE AT VARIOUS PORTIONS OF SAID ANODE SPACED FROM SAID PORTION OF GREATEST CONDUCTIVITY, AND THEREBY PROGRESSIVELY DECREASING THE FLOW OF CURRENT THROUGH SAID ANODE AT SUCCESSIVE PORTIONS WITH DECREASE OF CONDUCTIVITY IN SAID ANODE.

References Cited (Backward Citations)

GB163072A Cited
DE244518C Cited
CH15061A Cited
GB189803431A Cited
US1939902A Cited
GB429206A Cited
US2177626A Cited
US2487839A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-07-22 1956-01-21 1956-07-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-07-22 1960-01-21 1960-07-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-07-22 1964-01-21 1964-07-22 $7700.00 Window Closed / Lapsed

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