US3781409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of hydrogen peroxide
Assignee: FMC Corp
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Filing: 1972-02-28
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Granted: 1973-12-25
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Expires: 1992-02-28
Abstract
Abstract HYDROGEN PEROXIDE IS STABILIZED AGAINST DECOMPOSITION WITH A HIGH PH STOCK SOLUTION CONTAINING A WATER-SOLUBLE TIN COMPOUND. PREFERABLY A COMPLEXING AGENT IS ADDED EITHER TO THE HIGH PH STOCK SOLUTION OR DIRECTLY TO THE HYDROGEN PEROXIDE SOLUTION. THE RESULTING STABILIZED HYDROGEN PEROXIDE SOLUTION HAS EXCELLENT SHELF LIFE AND SUPERIOR RESISTANCE TO CONTAMINATE-INDUCED BREAKDOWN OF THE STABILIZING CHEMICALS INTO A SLUDGE.
Inventors
- 👤 T Munday
- 👤 K Radimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:02
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/01; C01B15/037
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) | 1976-12-24 | 1977-06-25 | 1977-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-24 | 1981-06-25 | 1981-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-24 | 1985-06-25 | 1985-12-25 | $7700.00 | Window Closed / Lapsed |