Patent US2906761A successfully refreshed from Google Patents.
US2906761A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Argentiferous germicidal medium and process for making same
Assignee: Ions Exchange and Chemical Corp
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Filing: 1956-01-30
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Granted: 1959-09-29
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Expires: 1976-01-30
Abstract
No abstract record available.
Inventors
- 👤 Mendelsohn Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:01
CPC Classifications
C; C07; C07D; C07D309/00; C07D309/34; C07D309/36; C07D309/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A PROCESS FOR PRODUCING AN ANTIBACTERIAL COMPOSITION, COMPRISING THE STEPS OF OXIDIZING KOJIC ACID IN AQUEOUS ACID SOLUTION AND REACTING THE OXIDATION PRODUCT A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF SILVER AND SUBSTANTIALLY WATER-INSOLUBLE SILVER COMPOUNDS.
Claim 2
Dependent Claim
37 words
A PROCESS FOR PRODUCING AN ANTIBACTERIAL COMPOSITION, COMPRISING THE STEPS OF OXIDIZING KOJIC ACID IN AQUEOUS ACID SOLUTION AND REACTING THE OXIDATION PRODUCT A SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF SILVER AND SUBSTANTIALLY WATER-INSOLUBLE SILVER COMPOUNDS.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |