US4394298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenation catalyst
Assignee: Phillips Petroleum Co
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Filing: 1981-08-03
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Granted: 1983-07-19
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Expires: 2001-08-03
Abstract
Abstract Iron (II) hexacyanocobaltate and ruthenium (III) hexacyanocobaltate have been found to be useful in the catalytic hydrogenation of organic materials.
Inventors
- 👤 Gerhard P. Nowack
- 👤 Marvin M. Johnson
- 👤 Donald C. Tabler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:02
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/24; B01J27/26; B01J23/00; B01J23/70; B01J23/89; B01J23/8913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
11 words
A hydrogenation catalyst comprising a suitable support and ruthenium (III) hexacyanocobaltate.
Claim 2
Dependent Claim
11 words
A hydrogenation catalyst comprising a suitable support and ruthenium (III) hexacyanocobaltate.
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) | 1986-07-18 | 1987-01-17 | 1987-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-07-18 | 1991-01-17 | 1991-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-07-18 | 1995-01-17 | 1995-07-19 | $7700.00 | Window Closed / Lapsed |