US3146243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decomposition of peracetic acid with platinum or ruthenium catalyst on a carbon powder
Assignee: Engelhard Industries Inc
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Filing: 1961-09-22
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Granted: 1964-08-25
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Expires: 1981-09-22
Abstract
No abstract record available.
Inventors
- 👤 Holger C Andersen
- 👤 Sr Philip L Romeo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:31
CPC Classifications
C; C01; C01B; C01B13/00; C01B13/02; C01B13/0203; C01B13/0211; C01B13/0214; C01B13/0222; C01B13/0225; C07; C07D; C07D301/00; C07D301/02; C07D301/03; C07D301/14; C07D303/00; C07D303/02; C07D303/38; C07D303/40; C07D303/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROCESS FOR THE CATALYTIC DECOMPOSITION OF PERACETIC ACID WHICH PROCESS CONSISTS OF CONTACTING PERACETIC ACID IN THE LIQUID PHASE WITH A SOLID CATALYST CONSISTING ESSENTIALLY OF A METAL SELECTED FROM THE GROUP CONSISTING OF PLATINUM AND RUTHENIUM, SAID METAL BEING SUPPORTED ON CARBON POWDER, AND THE METAL BEING PRESENT IN AN AMUNT BETWEEN 0.1% AND 10% BY WEIGHT OF TOTAL CATALYST.
Claim 2
Dependent Claim
62 words
A PROCESS FOR THE CATALYTIC DECOMPOSITION OF PERACETIC ACID WHICH PROCESS CONSISTS OF CONTACTING PERACETIC ACID IN THE LIQUID PHASE WITH A SOLID CATALYST CONSISTING ESSENTIALLY OF A METAL SELECTED FROM THE GROUP CONSISTING OF PLATINUM AND RUTHENIUM, SAID METAL BEING SUPPORTED ON CARBON POWDER, AND THE METAL BEING PRESENT IN AN AMUNT BETWEEN 0.1% AND 10% BY WEIGHT OF TOTAL CATALYST.
References Cited (Backward Citations)
US2873283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |