US2818374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for electrodepositing cadmiumindium alloys
Assignee: Lanteris Space LLC
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Filing: 1955-05-23
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Granted: 1957-12-31
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Expires: 1975-05-23
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Certa
- 👤 Thomas J Manns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:04
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/66; C25C; C25C1/00; C25C1/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
THE METHOD OF ELECTRODEPOSITING A MOLTEN CADMIUMINDIUM ALLOY HAVING A CONTROLLED UNIFORM COMPOSITION WHICH COMPRISES ELECTROLYZING, BETWEEN AN ANODE AND A CATHODE AND AT A TEMPERATURE AT THE CATHODE OF AT LEAST THE MELTING POINT OF THE ALLOY, AN ACIDIC SOLUTION OF SALTS OF CADMIUM AND INDIUM IN A POLAR ORGANIC SOLVENT THEREFOR IN WHICH IONIC CONDUCTION OCCURS AND HAVING A BOILING POINT ABOVE THE TEMPERATURE OF OPERATION, THE PROPORTION OF CADMIUM TO INDIUM IN SAID SOLUTION BEING SUBSTANTIALLY THE SAME AS THAT OF THE ALLOY DEPOSITED AND SAID SOLUTION HAVING DISSOLVED THEREIN A POLYBASIC ACID FORMING SOLUBLE COMPLEXES WITH SAID INDIUM AND CADMIUM IN SOLUTION IN AN AMOUNT AT LEAST SUFFICIENT TO COMPLEX SUBSTANTIALLY ALL OF THE INDIUM AND CADMIUM IONS IN THE SOLUTION, WHEREBY A CADMIUM-INDIUM ALLOY HAVING A UNIFORM COMPOSITION IS DEPOSITED IN MOLTEN FORM AT THE CATHODE.
Claim 2
Independent Claim
141 words
THE METHOD OF ELECTRODEPOSITING A MOLTEN CADMIUMINDIUM ALLOY HAVING A CONTROLLED UNIFORM COMPOSITION WHICH COMPRISES ELECTROLYZING, BETWEEN AN ANODE AND A CATHODE AND AT A TEMPERATURE AT THE CATHODE OF AT LEAST THE MELTING POINT OF THE ALLOY, AN ACIDIC SOLUTION OF SALTS OF CADMIUM AND INDIUM IN A POLAR ORGANIC SOLVENT THEREFOR IN WHICH IONIC CONDUCTION OCCURS AND HAVING A BOILING POINT ABOVE THE TEMPERATURE OF OPERATION, THE PROPORTION OF CADMIUM TO INDIUM IN SAID SOLUTION BEING SUBSTANTIALLY THE SAME AS THAT OF THE ALLOY DEPOSITED AND SAID SOLUTION HAVING DISSOLVED THEREIN A POLYBASIC ACID FORMING SOLUBLE COMPLEXES WITH SAID INDIUM AND CADMIUM IN SOLUTION IN AN AMOUNT AT LEAST SUFFICIENT TO COMPLEX SUBSTANTIALLY ALL OF THE INDIUM AND CADMIUM IONS IN THE SOLUTION, WHEREBY A CADMIUM-INDIUM ALLOY HAVING A UNIFORM COMPOSITION IS DEPOSITED IN MOLTEN FORM AT THE CATHODE.
References Cited (Backward Citations)
US2458839A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |