US3003935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Argentous oxide, powder and method for making same
Assignee: Yardney International Corp
•
Filing: 1958-09-08
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Granted: 1961-10-10
•
Expires: 1978-09-08
Abstract
No abstract record available.
Inventors
- 👤 Kenneth N Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:09
CPC Classifications
C; C25; C25B; C25B1/00; C01; C01G; C01G5/00; C25B1/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
THE PROCESS FOR ELECTROCHEMICALLY PREPARING SUBSTANTIALLY PURE ARGENTOUS OXIDE WHICH COMPRISES ELECTROLYZING A SILVER ANODE AGAINST AN INERT CATHODE THROUGH AN INTERPOSED ELECTROLYTE PERMEABLE SEPARATOR IN A LIQUID ELECTROLYTE COMPRISING AN ALKALINE SOLUTION OF A SALT HAVING AN ANION WHICH FORMS SOLUBLE SALTS WITH SILVER COMPOUNDS, MAINTAINING AT SAID CATHODE A HYDROSTATIC PRESSURE GREATER THAN THAT AT SAID ANODE, AND COLLECTING THE SILVER OXIDES WHICH PRECIPITATE NEAR THE ANODE.
Claim 2
Dependent Claim
69 words
THE PROCESS FOR ELECTROCHEMICALLY PREPARING SUBSTANTIALLY PURE ARGENTOUS OXIDE WHICH COMPRISES ELECTROLYZING A SILVER ANODE AGAINST AN INERT CATHODE THROUGH AN INTERPOSED ELECTROLYTE PERMEABLE SEPARATOR IN A LIQUID ELECTROLYTE COMPRISING AN ALKALINE SOLUTION OF A SALT HAVING AN ANION WHICH FORMS SOLUBLE SALTS WITH SILVER COMPOUNDS, MAINTAINING AT SAID CATHODE A HYDROSTATIC PRESSURE GREATER THAN THAT AT SAID ANODE, AND COLLECTING THE SILVER OXIDES WHICH PRECIPITATE NEAR THE ANODE.
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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) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |