US2847332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for introducing metallic silver in carbon with uniform distribution
Assignee: Union Carbide Corp
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Filing: 1955-09-07
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Granted: 1958-08-12
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Expires: 1975-09-07
Abstract
No abstract record available.
Inventors
- 👤 Ramadanoff Dimiter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:38
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/50; C04B41/51; C04B41/5116; C04B41/80; C04B41/81; C04B41/85; C04B41/88; C25; C25B; C25B11/00; C25B11/04; C25B11/042; C25B11/043; C25B11/044; H; H01; H01B; H01B1/00; H01B1/14; H01B1/16; H01R; H01R43/00; H01R43/12; Y; Y10; Y10T; Y10T428/00; Y10T428/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A METHOD OF INTRODUCING AND UNFORMLY DISTRIBUTING METALLIC SILVER INTO A CARBON ARTICLE, WHICH METHOD COMPRISES IMPREGNATING THE CARBON ARTICLE WITH AN AQUEOUS SOLUTION OF SILVER NITRATE, PRECIPITATING THE SILVER IONS OUT OF SAID SILVER NITRATE SOLUTION AS AN INSOLUBLE SILVER COMPOUND FROM THE CLASS CONSISTING OF SILVER OXIDE AND SILVER CARBONATE, AND SUBSEQUENTLY HEATING SAID ARTICLE TO REDUCE THE SILVER COMPOUND TO METALLIC SILVER AND DRIVE OFF UNDESIRABLE REACTION PRODUCTS.
Claim 2
Independent Claim
71 words
A METHOD OF INTRODUCING AND UNFORMLY DISTRIBUTING METALLIC SILVER INTO A CARBON ARTICLE, WHICH METHOD COMPRISES IMPREGNATING THE CARBON ARTICLE WITH AN AQUEOUS SOLUTION OF SILVER NITRATE, PRECIPITATING THE SILVER IONS OUT OF SAID SILVER NITRATE SOLUTION AS AN INSOLUBLE SILVER COMPOUND FROM THE CLASS CONSISTING OF SILVER OXIDE AND SILVER CARBONATE, AND SUBSEQUENTLY HEATING SAID ARTICLE TO REDUCE THE SILVER COMPOUND TO METALLIC SILVER AND DRIVE OFF UNDESIRABLE REACTION PRODUCTS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |