US3758512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenation catalyst
Assignee: Mitsubishi Chemical Corp
•
Filing: 1972-02-22
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Granted: 1973-09-11
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Expires: 1992-02-22
Abstract
Abstract NICKEL HYDROGENATION CATALYST COMPRISING NICKEL, MOLYBDENUM AND RHENIUM.
Inventors
- 👤 J Kanetaka
- 👤 S Mori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:05
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/889; B01J23/8898
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |