Patent US3222128A successfully refreshed from Google Patents.
US3222128A
Expired / Lapsed
US
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Process for producing silver nitrate
Assignee: BENJAMIN B DOEH
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Filing: 1960-03-21
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Granted: 1965-12-07
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Expires: 1980-03-21
Abstract
No abstract record available.
Inventors
- 👤 Sooryn Vsevolod
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:02
CPC Classifications
C; C01; C01G; C01G5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A PROCESS FOR PRODUCING SILVER NITRATE, COMPRISING THE STEPS OF DEPOSITING A LOOSELY ADHERENT MASS OF SILVER OXIDE ON A CONDUCTIVE ENDLESS BAND BY PASSED SAID BAND THROUGH AN ELECTROLYTE CONTAINING THE IONS OF A SOLUBLE SILVER SALT WHILE MAINTAINING SAID BAND AT A NEGATIVE POTENTIAL WITH RESPECT TO A SILVER ANODE IN SAID ELECTROLYTE, COMPRESSING SAID MASS AGAINST SAID BAND, PASSING THE BAND CARRYING SAID MASS THROUGH A HEATED NITRIC-ACID BATH WHEREBY SAID SILVER OXIDE IS CONVERTED TO SILVER NITRATE, AND STRIPPING SAID SILVER NITRATE OFF SAID BAND.
Claim 2
Dependent Claim
89 words
A PROCESS FOR PRODUCING SILVER NITRATE, COMPRISING THE STEPS OF DEPOSITING A LOOSELY ADHERENT MASS OF SILVER OXIDE ON A CONDUCTIVE ENDLESS BAND BY PASSED SAID BAND THROUGH AN ELECTROLYTE CONTAINING THE IONS OF A SOLUBLE SILVER SALT WHILE MAINTAINING SAID BAND AT A NEGATIVE POTENTIAL WITH RESPECT TO A SILVER ANODE IN SAID ELECTROLYTE, COMPRESSING SAID MASS AGAINST SAID BAND, PASSING THE BAND CARRYING SAID MASS THROUGH A HEATED NITRIC-ACID BATH WHEREBY SAID SILVER OXIDE IS CONVERTED TO SILVER NITRATE, AND STRIPPING SAID SILVER NITRATE OFF SAID BAND.
References Cited (Backward Citations)
US748609A
Cited
US1950096A
Cited
US2019994A
Cited
US2581519A
Cited
US3014790A
Cited
US2940828A
Cited
US3057696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |