US3356538A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrodeposited ion exchange membrane and method of forming
Assignee: General Electric Co
•
Filing: 1964-09-29
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Granted: 1967-12-05
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Expires: 1984-09-29
Abstract
No abstract record available.
Inventors
- 👤 Richard G Miekka
- 👤 Jr Ernest H Lyons
- 👤 Russell M Dempsey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:36
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; H01M4/90; H01M4/9041; H01M4/905; H01M4/9058; C; C01; C01B; C01B3/00; C01B3/50; C01B3/501; C01B3/503; C01B3/505; C25; C25B; C25B11/00; C25B9/00; C25B9/17; C25B9/19; C25B9/23; H01M8/00; H01M8/10; H01M8/1004; H01M8/1016; H01M8/1018; H01M8/102; H01M8/1023; H01M8/1039; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A PROCESS FOR APPLYING ELECTRODES OF CATALYTICALLY ACTIVE METALS TO ION EXCHANGE MEMBRANES COMPRISING: ELECTROLYTICALLY DEPOSITING A THIN LAYER OF CATALYTICALLY ACTIVE PLATINUM GROUP METAL ONTO AN ELECTRICALLY CONDUCING BASE, WASHING THE DEPOSIT TO REMOVE THE RESIDUE OF THE DEPOSITION BATH, DRYING THE WASHED ELECTRODEPOSITED METAL, PLACING AN ION EXCHANGE MEMBRANE IN CONTACT WITH SAID ELECRODEPOSITED CATALYTIC METAL, APPLYING HEAT AND PRESSURE TO THE ASSEMBLY TO BOND THE CATALYTICALLY ACTIVE METAL TO THE ION EXCHANGE MEMBRANE, AND REMOVING THE ION EXCHANGE MEMBRANE, WITH THE LAYER OF ELECTRODEPOSITED METAL ATTACHED, FORM THE CONDUCTING BASE.
Claim 2
Dependent Claim
93 words
A PROCESS FOR APPLYING ELECTRODES OF CATALYTICALLY ACTIVE METALS TO ION EXCHANGE MEMBRANES COMPRISING: ELECTROLYTICALLY DEPOSITING A THIN LAYER OF CATALYTICALLY ACTIVE PLATINUM GROUP METAL ONTO AN ELECTRICALLY CONDUCING BASE, WASHING THE DEPOSIT TO REMOVE THE RESIDUE OF THE DEPOSITION BATH, DRYING THE WASHED ELECTRODEPOSITED METAL, PLACING AN ION EXCHANGE MEMBRANE IN CONTACT WITH SAID ELECRODEPOSITED CATALYTIC METAL, APPLYING HEAT AND PRESSURE TO THE ASSEMBLY TO BOND THE CATALYTICALLY ACTIVE METAL TO THE ION EXCHANGE MEMBRANE, AND REMOVING THE ION EXCHANGE MEMBRANE, WITH THE LAYER OF ELECTRODEPOSITED METAL ATTACHED, FORM THE CONDUCTING BASE.
References Cited (Backward Citations)
US2105440A
Cited
US2164010A
Cited
US1779457A
Cited
US2913511A
Cited
US3150011A
Cited
US2974091A
Cited
US3134697A
Cited
US3231428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |