Patent US3127356A successfully refreshed from Google Patents.
US3127356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of hydro-
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
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Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:36
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/89; B01J23/8906; B01J23/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN THE PROCESS OF MAKING A HYDROGENATION CATALYST BY DEPOSITING A COMPOUND OF A METAL TAKEN FROM THE GROUP CONSISTING OF PLATINIUM, PALLADIUM AND NICKEL ON AN INERT SUPPORT AND THEN REDUCING SAID COMPOUND TO THE METAL, THE IMPOVEMENT WHEREIN AT LEAST 25% OF AN OLEOPHILIC CARBON, BASED ON THE TOTAL DRY WEIGHT OF CATALYST, SAID OLEOPHILIC CARBON HAVING AN OIL ABSORPTION FACTOR OF AT LEAST 200 IS MIXED WITH AN AQUEOUS DISPERSION OF SAID DEPOSITED METAL AT ANY STAGE AFTER ITS DEPOSITION ON SAID INERT SUPPORT, SAID DEPOSITED METAL BEING FINELY DIVIDED.
Claim 2
Dependent Claim
93 words
IN THE PROCESS OF MAKING A HYDROGENATION CATALYST BY DEPOSITING A COMPOUND OF A METAL TAKEN FROM THE GROUP CONSISTING OF PLATINIUM, PALLADIUM AND NICKEL ON AN INERT SUPPORT AND THEN REDUCING SAID COMPOUND TO THE METAL, THE IMPOVEMENT WHEREIN AT LEAST 25% OF AN OLEOPHILIC CARBON, BASED ON THE TOTAL DRY WEIGHT OF CATALYST, SAID OLEOPHILIC CARBON HAVING AN OIL ABSORPTION FACTOR OF AT LEAST 200 IS MIXED WITH AN AQUEOUS DISPERSION OF SAID DEPOSITED METAL AT ANY STAGE AFTER ITS DEPOSITION ON SAID INERT SUPPORT, SAID DEPOSITED METAL BEING FINELY DIVIDED.
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) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |