US2865865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of a stabilized raney nickel catalyst
Assignee: BDH Chemicals Ltd
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Filing: 1956-04-19
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Granted: 1958-12-23
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Expires: 1976-04-19
Abstract
No abstract record available.
Inventors
- 👤 Ockrent Charles
- 👤 Skrimshire Gerald Ernest Hamor
- 👤 Sutherland Alan John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:22
CPC Classifications
B; B01; B01J; B01J25/00; B01J25/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
A METHOD FOR THE PREPARATION OF A STABILIZED RANEY NICKEL CATALYST WHICH COMPRISES MIXING FROM APPROXIMATELY 20 TO 50% OF RANEY NICKEL WITH A FATTY ALCOHOL HAVING FROM 16 TO 26 CARBON ATOMS, INCLUSIVE, SAID FATTY ALCOHOL BEING AT A SUFFICIENTLY ELEVATED TEMPERATURE TO ENABLE SAID MIXING TO TAKE PLACE, THEN COOLING THE RESULTING MIXTURE TO FORM A SOLIDIFIED SUSPENSION OF RANEY NICKEL IN SAID FATTY ALCOHOL.
Claim 2
Independent Claim
67 words
A METHOD FOR THE PREPARATION OF A STABILIZED RANEY NICKEL CATALYST WHICH COMPRISES MIXING FROM APPROXIMATELY 20 TO 50% OF RANEY NICKEL WITH A FATTY ALCOHOL HAVING FROM 16 TO 26 CARBON ATOMS, INCLUSIVE, SAID FATTY ALCOHOL BEING AT A SUFFICIENTLY ELEVATED TEMPERATURE TO ENABLE SAID MIXING TO TAKE PLACE, THEN COOLING THE RESULTING MIXTURE TO FORM A SOLIDIFIED SUSPENSION OF RANEY NICKEL IN SAID FATTY ALCOHOL.
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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) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |