US3333419A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogen peroxide decomposition
Assignee: Shell USA Inc
•
Filing: 1963-08-08
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Granted: 1967-08-01
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Expires: 1983-08-08
Abstract
No abstract record available.
Inventors
- 👤 Herman J Baumgartner
- 👤 George C Hood
- 👤 Donald D Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:51
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/02; C01B13/0203; C01B13/0211; C01B13/0214
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN A METHOD OF DECOMPOSING HYDROGEN PEROXIDE OF AT LEAST 30% WT. CONCENTRATION BY CONTACTING THE PEROXIDE WITH A SILVER-CONTAINING CATALYST FOR HYDROGEN PEROXIDE DECOMPOSITION, THE IMPROVEMENT WHICH COMPRISES EFFECTING SAID CONTACT WITH HYDROGEN PEROXIDE CONTAINING DISSOLVED THEREIN AN INORGANIC SALT OF A FIXED-VALENT METAL OF THE RIGHT HAND GROUP OF THE THIRD COLUMN OF THE PERIODIC TABLE OF THE ELEMENTS HAVING AN ATOMIC NUMBER OF AT LEAST 30, IN AN AMOUNT EQUIVALENT TO AT LEAST 0.1 MILLIGRAM OF SAID METAL PER LITER OF PEROXIDE.
Claim 2
Dependent Claim
85 words
IN A METHOD OF DECOMPOSING HYDROGEN PEROXIDE OF AT LEAST 30% WT. CONCENTRATION BY CONTACTING THE PEROXIDE WITH A SILVER-CONTAINING CATALYST FOR HYDROGEN PEROXIDE DECOMPOSITION, THE IMPROVEMENT WHICH COMPRISES EFFECTING SAID CONTACT WITH HYDROGEN PEROXIDE CONTAINING DISSOLVED THEREIN AN INORGANIC SALT OF A FIXED-VALENT METAL OF THE RIGHT HAND GROUP OF THE THIRD COLUMN OF THE PERIODIC TABLE OF THE ELEMENTS HAVING AN ATOMIC NUMBER OF AT LEAST 30, IN AN AMOUNT EQUIVALENT TO AT LEAST 0.1 MILLIGRAM OF SAID METAL PER LITER OF PEROXIDE.
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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |