Patent US3645862A successfully refreshed from Google Patents.
US3645862A
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Method of making an electrode
Assignee: Diamond Shamrock Technologies SA
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Filing: 1968-09-25
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Granted: 1972-02-29
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Expires: 1988-09-25
Abstract
Abstract An electrode and method of manufacture thereof in which a filmforming base is provided with an electrically conductive coating which comprises a mixture containing at least one chemical compound of the film-forming metal and at least one chemical compound of at least one other metal.
Inventors
- 👤 Joseph Bernard Cotton
- 👤 William Raymond Bennett
- 👤 John Alan Bell
- 👤 Peter Charles Steele Hayfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:51
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/12; C25; C25B; C25B11/00; C25B11/04; C25B11/051; C25B11/073; C25B11/091; C25B11/093; C25D; C25D11/00; C25D11/02; C25D11/26
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
47 words
A method according to claim 1 wherein the base is of titanium, the acid is boiling sulphuric acid, ferric chloride is added to the acid to provide a source of iron ions, and precipitation of a mixed oxide of titanium and iron is effected upon the base.
Claim 2
Dependent Claim
16 words
A method according to claim 2 wherein the oxidizing means is the use of potassium chlorate.
Claim 3
Dependent Claim
16 words
A method as in claim 2 wherein the oxidizing means is air bubbled through the acid.
Claim 4
Dependent Claim
24 words
A method as in claim 2 wherein the oxidizing means is an external electrical current with the titanium positive with respect to a cathode.
References Cited (Backward Citations)
FR1479762A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |