US2623078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of hydrogenation catalysts by reduction
Assignee: Distillers Co Yeast Ltd
•
Filing: 1950-08-08
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Granted: 1952-12-23
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Expires: 1970-08-08
Abstract
No abstract record available.
Inventors
- 👤 Bewley Thomas
- 👤 Peter L Bramwyche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:52
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; C; C07; C07B; C07B31/00; B01J37/00; B01J37/02; B01J37/0201; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
68 words
A PROCESS FOR THE HYDROGENATION OF REDUCIBLE ORGANIC COMPOUNDS WHICH COMPRISES TREATING SAID COMPOUND WITH HYDROGEN IN THE PRESENCE OF A CATALYST PREPARED BY THE HYDROGENATION OF A MATEIRAL CONSISTING OF A METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF COPPER AND NICKEL COMPOUNDS DISPOSED ON A KIESELGUHUR SUPPORT, WHICH IS SUSPENDED IN A LIQID MEDIUM COMPRISING AN ORGANIC POLYSILOXANE, TO FORM A CATALYST CONTAINING THE CORRESPONDING METAL.
Claim 2
Dependent Claim
68 words
A PROCESS FOR THE HYDROGENATION OF REDUCIBLE ORGANIC COMPOUNDS WHICH COMPRISES TREATING SAID COMPOUND WITH HYDROGEN IN THE PRESENCE OF A CATALYST PREPARED BY THE HYDROGENATION OF A MATEIRAL CONSISTING OF A METAL COMPOUND SELECTED FROM THE GROUP CONSISTING OF COPPER AND NICKEL COMPOUNDS DISPOSED ON A KIESELGUHUR SUPPORT, WHICH IS SUSPENDED IN A LIQID MEDIUM COMPRISING AN ORGANIC POLYSILOXANE, TO FORM A CATALYST CONTAINING THE CORRESPONDING METAL.
Claim 3
Dependent Claim
33 words
A HYDROGENATION CATALYST COMPRISING A METAL SELECTED FROM THE GROUP CONSISTING OF COPPER AND NICKEL AND KIESELGUHR AS A CARRIER THEREFOR, SAID METAL AND KIESELGUHUR BEING SUSPENDED IN A LIQUID MEDIUM CONTAINING POLYSILOXANE.
Claim 4
Dependent Claim
33 words
A HYDROGENATION CATALYST COMPRISING A METAL SELECTED FROM THE GROUP CONSISTING OF COPPER AND NICKEL AND KIESELGUHR AS A CARRIER THEREFOR, SAID METAL AND KIESELGUHUR BEING SUSPENDED IN A LIQUID MEDIUM CONTAINING POLYSILOXANE.
References Cited (Backward Citations)
US2067368A
Cited
US2320063A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |