US3368950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods for electrodeposition on thin conductive films
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1962-11-27
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Granted: 1968-02-13
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Expires: 1982-11-27
Abstract
No abstract record available.
Inventors
- 👤 Duane G Levine
- 👤 Beltzer Morton
- 👤 Barry L Tarmy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:49
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/86; H01M4/88; H01M4/8825; H01M4/8853; C; C25; C25D; C25D7/00; C25D7/06; C25D7/0614; H01M4/8803; Y; Y02; Y02E; Y02E60/00; Y02E60/30; Y02E60/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A PROCESS FOR ELECTRODEPOSITING A UNIFORM COATING OF MORE NOBLE METAL ONTO A THIN SHEET OF ELECTROCONDUCTIVE LESS NOBLE METAL HAVING A THICKNESS IN THE RANGE OF ABOUT 0.01 TO ABOUT 20 MICRONS TO FORM AN ELECTRODE, WHICH COMPRISES ATTACHING A CONTINUOUS CURRENT COLLECTOR TO THE SAID SHEET IN ELECTRICAL CONTACT WITH SAID THIN METAL SHEET AROUND SUBSTANTIALLY THE ENTIRE PERIPHERY THEREOF, CONNECTING SAID CURRENT COLLECTOR THROUGH A DIRECT CURRENT SUPPLY SOURCE TO AN ANODE IN CONTACT WITH A BATH OF A SOLUTION OF A SALT OF THE SAID MORE NOBLE METAL, IMMERSING THE SAID THIN SHEET OF LESS NOBLE METAL AND THE ACCOMPANYING CURRENT COLLECTOR INTO SAID BATH SO THAT CURRENT FLOWS THROUGH THE SAID BATH TO SAID ANODE IMMEDIATELY ON CONTACT OF THE SHEET AND CURRENT COLLECTOR WITH THE BATH, MAINTAINING THE SHEET IN THE BATH UNTIL A COATING OF THE MORE NOBLE METAL OF THE DESIRED THICKNESS HAS FORMED THEREON.
Claim 2
Dependent Claim
153 words
A PROCESS FOR ELECTRODEPOSITING A UNIFORM COATING OF MORE NOBLE METAL ONTO A THIN SHEET OF ELECTROCONDUCTIVE LESS NOBLE METAL HAVING A THICKNESS IN THE RANGE OF ABOUT 0.01 TO ABOUT 20 MICRONS TO FORM AN ELECTRODE, WHICH COMPRISES ATTACHING A CONTINUOUS CURRENT COLLECTOR TO THE SAID SHEET IN ELECTRICAL CONTACT WITH SAID THIN METAL SHEET AROUND SUBSTANTIALLY THE ENTIRE PERIPHERY THEREOF, CONNECTING SAID CURRENT COLLECTOR THROUGH A DIRECT CURRENT SUPPLY SOURCE TO AN ANODE IN CONTACT WITH A BATH OF A SOLUTION OF A SALT OF THE SAID MORE NOBLE METAL, IMMERSING THE SAID THIN SHEET OF LESS NOBLE METAL AND THE ACCOMPANYING CURRENT COLLECTOR INTO SAID BATH SO THAT CURRENT FLOWS THROUGH THE SAID BATH TO SAID ANODE IMMEDIATELY ON CONTACT OF THE SHEET AND CURRENT COLLECTOR WITH THE BATH, MAINTAINING THE SHEET IN THE BATH UNTIL A COATING OF THE MORE NOBLE METAL OF THE DESIRED THICKNESS HAS FORMED THEREON.
References Cited (Backward Citations)
US578070A
Cited
US2709847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |