US3336239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Activated hydrogenation catalysts
Assignee: Union Carbide Corp
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Filing: 1962-09-25
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Granted: 1967-08-15
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Expires: 1982-09-25
Abstract
No abstract record available.
Inventors
- 👤 Donald L Bailey
- 👤 Eaborn Colin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:48
CPC Classifications
C; C07; C07B; C07B31/00; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; C10; C10G; C10G45/00; C10G45/02; C10G45/04; C10G45/10; B01J21/00; B01J21/02; B01J21/04; B01J21/06; B01J21/08; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
132 words
A PROCESS FOR PRODUCING AN ACTIVATED HYDROGENATION CATALYST WHICH COMPRISES REDUCING A METAL COMPOUND, THE METAL COMPONENT OF WHICH IS IN ONE OF ITS OXIDATION STATES, SAID REDUCTION BEING LIMITED SOLELY TO THOSE METALS OF THE GROUP CONSISTING OF RUTHENIUM, RHODIUM, PALLADIUM, OSMIUM, IRIDIUM, AND PLATINUM; WITH AN SI-H BONDED COMPOUND WHICH CONTAINS AT LEAST ONE HYDROGEN ATOM BONDED TO A SILICON ATOMS; IN A RATIO OF EQUIVALENTS OF SILANIC HYDROGEN ATOMS FROM SAID SI-H BONDED COMPOUND PER MOL OF SAID METAL COMPOUND OF AT LEAST ABOUT 1:10; IN THE PRESENCE OF AN INERT, NORMALLY-LIQUID ORGANIC VEHICLE AND IN THE ABSENCE OF UNSATURATED COMPOUNDS; FOR A PERIOD OF TIME SUFFICIENT TO REDUCE A PORTION OF THE METAL COMPONENT OF SAID METAL COMPOUND FROM ITS ORIGINAL OXIDATION STATE TO A LOWER OXIDATION STATE.
Claim 2
Dependent Claim
40 words
THE PROCESS OF CLAIM 2 WHEREIN THE REACTION IS EFFECTED FOR A PERIOD OF TIME SUFFICIENT TO REDUCE AT LEAST A PORTION OF THE METAL COMPONENT OF SAID METAL COMPOUND FROM ITS ORIGINAL OXIDATION STATE TO ITS ZERO OXIDATION STATE.
Claim 3
Dependent Claim
21 words
THE PROCESS OF CLAIM 3 WHEREIN SAID METAL COMPOUND IS A PALLADIUM COMPOUND WHICH IS CAPABLE OF FORMING A PALLADIUM-OLEFIN COMPLEX.
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 |