US3099083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of suppressing bimetallic couple corrosion of magnesium metal articles
Assignee: Dow Chemical Co
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Filing: 1958-02-27
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Granted: 1963-07-30
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Expires: 1978-02-27
Abstract
No abstract record available.
Inventors
- 👤 Long Herbert K De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:43
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/12; C23F2213/00; C23F2213/20; C23F2213/21; Y; Y10; Y10S; Y10S29/00; Y10S29/027; Y10S411/00; Y10S411/90; Y10S411/901; Y10S411/902; Y10S411/914; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/934; Y10S428/935; Y10S428/937; Y10S428/938; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49885; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12708; Y10T428/12729
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
AN IMPROVED METHOD OF SUPPRESSING GALVANIC CORROSION OF A MAGNESIUM METAL ARTICLE IN A COMPOSITE METAL STRUCTURE COMPRISING A MAGNESIUM METAL ARTICLE AND A FERROUS METAL ARTICLE ON BEING MECHANICALLY AND ELECTRICALLY CONNECTED AND SUBJECTED TO THE ELECTOLYTIC ACTION OF THE SAME ENVIRONMENT, WHICH COMPRISES INTERPOSING BETWEEN THE ARTICLES A CONTINUOUS LAYER OF A TIN METAL SELECTED FROM THE GROUP CONSISTING OF TIN, AND TIN-CADALLOYS CONTAINING AT LEAST 40 PERCENT OF TIN, AND TIN-CADMIUM BINARY ALLOYS CONTAINING AT LEAST 40 PERCENT OF TIN, WHEREBY THE CURRENT GENERATED BY THE ONE ARTICLE ACTING AS AN ANODE TO THE OTHER PASSES THROUGH THE SAID LAYER OF TIN METAL AND SAID LAYER OF TIN METAL PRESENTING AN UNBONDED SURFACE TO AT LEAST ONE OF SaID METAL ARTICLES.
Claim 2
Dependent Claim
124 words
AN IMPROVED METHOD OF SUPPRESSING GALVANIC CORROSION OF A MAGNESIUM METAL ARTICLE IN A COMPOSITE METAL STRUCTURE COMPRISING A MAGNESIUM METAL ARTICLE AND A FERROUS METAL ARTICLE ON BEING MECHANICALLY AND ELECTRICALLY CONNECTED AND SUBJECTED TO THE ELECTOLYTIC ACTION OF THE SAME ENVIRONMENT, WHICH COMPRISES INTERPOSING BETWEEN THE ARTICLES A CONTINUOUS LAYER OF A TIN METAL SELECTED FROM THE GROUP CONSISTING OF TIN, AND TIN-CADALLOYS CONTAINING AT LEAST 40 PERCENT OF TIN, AND TIN-CADMIUM BINARY ALLOYS CONTAINING AT LEAST 40 PERCENT OF TIN, WHEREBY THE CURRENT GENERATED BY THE ONE ARTICLE ACTING AS AN ANODE TO THE OTHER PASSES THROUGH THE SAID LAYER OF TIN METAL AND SAID LAYER OF TIN METAL PRESENTING AN UNBONDED SURFACE TO AT LEAST ONE OF SaID METAL ARTICLES.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |