US3674515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metalizing composition including degassed platinum powders
Assignee: EIDP Inc
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Filing: 1970-01-30
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Granted: 1972-07-04
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Expires: 1990-01-30
Abstract
Abstract A PROCESS OF PREPARING DEGASSED PLATINUM POWDERS COMPRISING MIXING FINELY DIVIDED PLATINUM POWDER WITH AT LEAST AN EQUAL VOLUME OF A DILUENT METAL OXIDE POWDER, HEATING THE POWDER MIXTURE FOR A SUFFICIENT TIME TO DISSIPATE SUBSTANTIALLY ALL GASES FROM THE PLATINUM POWDER, COOLING THE POWDER MIXTURE AND SEPARATING THE PLATINUM POWDER FROM THE DILUENT. THE DEGASSED PLATINUM POWDERS ARE PARTICULARLY SUITABLE FOR APPLICATION TO "GREEN" CERAMIC SHEETS EMPLOYED IN THE PRODUCTION OF MONOLITHIC MULTILAYER CERAMIC CIRCUIT COMPONENTS.
Inventors
- 👤 Denis G Kelemen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:43
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/005; H01G4/008; H01G4/0085; H05; H05K; H05K1/00; H05K1/02; H05K1/09; H05K1/092
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-04 | 1976-01-03 | 1976-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-04 | 1980-01-03 | 1980-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-04 | 1984-01-03 | 1984-07-04 | $7700.00 | Window Closed / Lapsed |