US3258367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnesium primary battery having aqueous carboxylic acid salt-inorganic perchlorate salt electrolyte
Assignee: Dow Chemical Co
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Filing: 1963-05-20
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Granted: 1966-06-28
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Expires: 1983-05-20
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)
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 |