Patent US2658818A successfully refreshed from Google Patents.
US2658818A
Expired / Lapsed
US
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Stabilized hydrogen peroxide and method of making same
Assignee: BUFFALO ELECTRO CHEM CO
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Filing: 1945-10-05
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Granted: 1953-11-10
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Expires: 1965-10-05
Abstract
No abstract record available.
Inventors
- 👤 Edward S Shanley
- 👤 Hans O Kauffmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:58
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/01; C01B15/037
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
12 words
AN AQUEOUS SOLUTION OF COMMERCIAL HYDROGEN PEROXIDE CONTAINING COOLOIDALLY DISPERSED METALLIC TIN.
Claim 2
Dependent Claim
12 words
AN AQUEOUS SOLUTION OF COMMERCIAL HYDROGEN PEROXIDE CONTAINING COOLOIDALLY DISPERSED METALLIC TIN.
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) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |