US3156089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogen peroxide decomposition
Assignee: Shell USA Inc
•
Filing: 1959-09-24
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Granted: 1964-11-10
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Expires: 1979-09-24
Abstract
No abstract record available.
Inventors
- 👤 Herman J Baumgartner
- 👤 Richard M Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:34
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/02; C01B13/0203; C01B13/0211; C01B13/0214; Y; Y10; Y10S; Y10S149/00; Y10S149/119
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A METHOD FOR DECOMPOSING HYDROGEN PEROXIDE OF ABOUT 30 TO 100% WT. CONCENTRATION WHICH COMPRISES CONTACTING THE HYDROGEN PEROXIDE WITH A SOLID SILVER-CONTAINING DECOMPOSITION CATALYST IN THE PRESENCE OF BETWEEN ABOUT 50 AND ABOUT 10,000 MILLIGRAMS PER LITER OF ORGANIC PEROXIDE-CONTAINING RESIDUE FROM HYDROGEN PEROXIDE PRODUCTION BY OXIDIZING A COMPOUND SELETED FROM THE GROUP CONSISTING OF ALKYL ANTRAQUINONES, ALCHOLS, HYDRCARBONS AND HYDRAZOBENZENES.
Claim 2
Independent Claim
62 words
A METHOD FOR DECOMPOSING HYDROGEN PEROXIDE OF ABOUT 30 TO 100% WT. CONCENTRATION WHICH COMPRISES CONTACTING THE HYDROGEN PEROXIDE WITH A SOLID SILVER-CONTAINING DECOMPOSITION CATALYST IN THE PRESENCE OF BETWEEN ABOUT 50 AND ABOUT 10,000 MILLIGRAMS PER LITER OF ORGANIC PEROXIDE-CONTAINING RESIDUE FROM HYDROGEN PEROXIDE PRODUCTION BY OXIDIZING A COMPOUND SELETED FROM THE GROUP CONSISTING OF ALKYL ANTRAQUINONES, ALCHOLS, HYDRCARBONS AND HYDRAZOBENZENES.
References Cited (Backward Citations)
US2791883A
Cited
US2749291A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |