US2748183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolyte for dry cells
Assignee: Olin Corp
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Filing: 1952-10-28
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Granted: 1956-05-29
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Expires: 1972-10-28
Abstract
No abstract record available.
Inventors
- 👤 Clarence K Morehouse
- 👤 Jay Y Welsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:42
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
AN ELECTROLYTE FOR PRIMARY CELLS OF THE LECLANCHE TYPE CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF 5 PER CENT TO 15 PER CENT ZINC CHLORIDE AND 15 PER CENT TO 25 PER CENT AMMONIUM CHLORIDE, CONTAINING 0.4 TO 0.5 GRAM TO A CUBIC CENTIMETER OF A MODIFIED STARCH WHICH HAS BEEN REACTED WITH A BIFUNCTIONAL ETHER-FORMING REAGENT, SAID MODIFIED STARCH HAVING THE PROPERTY OF INHIBITED GELATINIZATION WHEN DISPERSED IN WATER UNDER NORMAL GELATINIZATION CONDITIONS.
Claim 2
Dependent Claim
74 words
AN ELECTROLYTE FOR PRIMARY CELLS OF THE LECLANCHE TYPE CONSISTING ESSENTIALLY OF AN AQUEOUS SOLUTION OF 5 PER CENT TO 15 PER CENT ZINC CHLORIDE AND 15 PER CENT TO 25 PER CENT AMMONIUM CHLORIDE, CONTAINING 0.4 TO 0.5 GRAM TO A CUBIC CENTIMETER OF A MODIFIED STARCH WHICH HAS BEEN REACTED WITH A BIFUNCTIONAL ETHER-FORMING REAGENT, SAID MODIFIED STARCH HAVING THE PROPERTY OF INHIBITED GELATINIZATION WHEN DISPERSED IN WATER UNDER NORMAL GELATINIZATION CONDITIONS.
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) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |