US3488962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of decomposing hydrogen peroxide using a silver-palladium catalyst
Assignee: FMC Corp
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Filing: 1965-07-20
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Granted: 1970-01-13
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Expires: 1985-07-20
Abstract
No abstract record available.
Inventors
- 👤 James C Mccormick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:36
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/02; C01B13/0203; C01B13/0211; C01B13/0214; C06; C06B; C06B23/00; C06B23/007; C06B47/00; C06B47/02; C06B47/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
IN THE METHOD OF PRODUCING THRUST BY CONTACTING HYDROGEN PEROXIDE WITH A DECOMPOSITION CATALYST AND EXHAUSTING THE RESULTING GASES TO PRODUCE THRUST, THE IMPROVEMENT COMPRISING USING A CATALYST CMPRISING A METAL ALLOY MADE UP OF 65% TO 80% BY WEIGHT OF SILVER AND 20% TO 35% BY WEIGHT OF PALLADIUM, SAID ALLOY HAVING A DISCONTINUOUS FILM OF SAMARIUM OXIDE THEREON.
Claim 2
Dependent Claim
60 words
IN THE METHOD OF PRODUCING THRUST BY CONTACTING HYDROGEN PEROXIDE WITH A DECOMPOSITION CATALYST AND EXHAUSTING THE RESULTING GASES TO PRODUCE THRUST, THE IMPROVEMENT COMPRISING USING A CATALYST CMPRISING A METAL ALLOY MADE UP OF 65% TO 80% BY WEIGHT OF SILVER AND 20% TO 35% BY WEIGHT OF PALLADIUM, SAID ALLOY HAVING A DISCONTINUOUS FILM OF SAMARIUM OXIDE THEREON.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-01-12 | 1973-07-14 | 1974-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-01-12 | 1977-07-14 | 1978-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-01-12 | 1981-07-14 | 1982-01-13 | $7700.00 | Window Closed / Lapsed |