US3336112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic production of hydrogen peroxide from its elements
Assignee: Imperial Chemical Industries Ltd
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Filing: 1964-07-02
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Granted: 1967-08-15
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Expires: 1984-07-02
Abstract
No abstract record available.
Inventors
- 👤 Hooper George Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:13
CPC Classifications
C; C01; C01B; C01B15/00; C01B15/01; C01B15/037; C01B15/029
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A PROCESS FOR PRODUCING HYDROGEN PEROXIDE WHICH COMPRISES CONTACTING A MIXTURE OF GASES COMPRISING OXYGEN AND HYDROGEN WITH A SOLID CATLYST HAVING A METALLIC COMPONENT SELECTED FROM THE GROUP CONSISTING OF GROUP I AND GROUP VIII OF THE PERIODIC TABLE AND IN THE PRESENCE OF A LIQUID CONTAINING WATER AND A STABILIZING AND ACTIVATING SALT OF A CONDENSED PHOSPHORIC ACID HAVING A POLYMERIZATION NUMBER UP TO ABOUT 14.
Claim 2
Dependent Claim
68 words
A PROCESS FOR PRODUCING HYDROGEN PEROXIDE WHICH COMPRISES CONTACTING A MIXTURE OF GASES COMPRISING OXYGEN AND HYDROGEN WITH A SOLID CATLYST HAVING A METALLIC COMPONENT SELECTED FROM THE GROUP CONSISTING OF GROUP I AND GROUP VIII OF THE PERIODIC TABLE AND IN THE PRESENCE OF A LIQUID CONTAINING WATER AND A STABILIZING AND ACTIVATING SALT OF A CONDENSED PHOSPHORIC ACID HAVING A POLYMERIZATION NUMBER UP TO ABOUT 14.
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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |