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US3258367A Expired / Lapsed US ⏱️ 0.0 years remaining

Magnesium primary battery having aqueous carboxylic acid salt-inorganic perchlorate salt electrolyte

Assignee: Dow Chemical Co
•
Filing: 1963-05-20
•
Granted: 1966-06-28
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Expires: 1983-05-20
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Abstract

No abstract record available.

Inventors

  • 👤 John L Robinson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 17:36
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/04; H01M4/00; H01M4/02; H01M4/36; H01M4/38; H01M4/46

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 196 words
IN A MAGNESIUM BATTERY HAVING A HIGH ANODE EFFICEINCY AND PTOENTIAL AT LOW DRAINS WHICH INCLUDES A MAGNESIUM ANODE, A CATHODE, AN AQUEOUS ELECTROLYTE, A CHROMATE INHIBITOR AND A CURRENT COLLECTOR, THE IMPROVEMENT WHICH COMPRISES; PROVIDING AN AQUEOUS ADMIXTURE OF A CARBOXYLIC ACID SALT-INORGANIC PERCHLORATE SALT WHEREIN THE CARBOXYLIC ACID COMPONENT OF THE ELECTROLYTE SOLUTE IS A MEMBER SELECTED FROM THE GRUOP CONSISTING OF ALKALI METAL AND ALKALINE EARTH SALTS OF ALIPHATIC AND AROMATIC CARBOXYLIC ACIDS AND FURTHER CHARACTERIZED IN THAT THE ALIPHATIC ACIDS HAVE A CARBON CHAIN LENGTH OF FROM 1 TO ABOUT 5 CARBON ATOMS AND THERE IS AT LEAST ONE RADICAL SELECTED FROM THE GROUP CONSISTING OF METHYLENE AND METHLY PRESENT FOR EACH CARBOXY GROUP OF SAID ALIPHATIC ACID AND THE AROMATIC CARBOXYLIC ACID SALTS HAVE AT LEAST TWO CARBOXY GROUPS PRESENT ON EACH RING OF THE AROMATIC ACID, THE INORGANIC PERCHLORATE SALT COMPONENT OF SAID ELECTROLYTE BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKALI AND ALKALINE EARTH METAL PERCHLORATES, THE CARBOXYLATE ANION/PERCHLORATE ANION NORMALITY RATIO OF SAID ADMIXTURE BEING FROM ABOUT 0.1 TO ABOUT 7, THE TOTAL CARBOXYLATE AND PERCHLORATE ANION CONCENTRATION RANGING FROM ABOUT 0.5 TO ABOUT 5 NORMAL.
Claim 2
Dependent Claim 196 words
IN A MAGNESIUM BATTERY HAVING A HIGH ANODE EFFICEINCY AND PTOENTIAL AT LOW DRAINS WHICH INCLUDES A MAGNESIUM ANODE, A CATHODE, AN AQUEOUS ELECTROLYTE, A CHROMATE INHIBITOR AND A CURRENT COLLECTOR, THE IMPROVEMENT WHICH COMPRISES; PROVIDING AN AQUEOUS ADMIXTURE OF A CARBOXYLIC ACID SALT-INORGANIC PERCHLORATE SALT WHEREIN THE CARBOXYLIC ACID COMPONENT OF THE ELECTROLYTE SOLUTE IS A MEMBER SELECTED FROM THE GRUOP CONSISTING OF ALKALI METAL AND ALKALINE EARTH SALTS OF ALIPHATIC AND AROMATIC CARBOXYLIC ACIDS AND FURTHER CHARACTERIZED IN THAT THE ALIPHATIC ACIDS HAVE A CARBON CHAIN LENGTH OF FROM 1 TO ABOUT 5 CARBON ATOMS AND THERE IS AT LEAST ONE RADICAL SELECTED FROM THE GROUP CONSISTING OF METHYLENE AND METHLY PRESENT FOR EACH CARBOXY GROUP OF SAID ALIPHATIC ACID AND THE AROMATIC CARBOXYLIC ACID SALTS HAVE AT LEAST TWO CARBOXY GROUPS PRESENT ON EACH RING OF THE AROMATIC ACID, THE INORGANIC PERCHLORATE SALT COMPONENT OF SAID ELECTROLYTE BEING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKALI AND ALKALINE EARTH METAL PERCHLORATES, THE CARBOXYLATE ANION/PERCHLORATE ANION NORMALITY RATIO OF SAID ADMIXTURE BEING FROM ABOUT 0.1 TO ABOUT 7, THE TOTAL CARBOXYLATE AND PERCHLORATE ANION CONCENTRATION RANGING FROM ABOUT 0.5 TO ABOUT 5 NORMAL.

References Cited (Backward Citations)

US2993946A Cited
US3095331A Cited
US3057944A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-06-27 1969-12-27 1970-06-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-06-27 1973-12-27 1974-06-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-06-27 1977-12-27 1978-06-28 $7700.00 Window Closed / Lapsed

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