US3423176A
Expired / Lapsed
US
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Process for carrying out catalytic hydrogenation reactions in the presence of suspension catalysts
Assignee: Evonik Operations GmbH
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Filing: 1966-12-02
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Granted: 1969-01-21
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Expires: 1986-12-02
Abstract
No abstract record available.
Inventors
- 👤 Gerhard Kabisch
- 👤 Hans Herzog
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:56
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/20; B01J8/22; B01J8/224; B01J8/228; B01J19/00; B01J19/24; B01J19/2415; B01J19/242; B01J19/243; B01J19/2435; C; C01; C01B; C01B15/00; C01B15/01; C01B15/022; C01B15/023; C07; C07C; C07C29/00; C07C29/132; Y; Y10; Y10S; Y10S585/00; Y10S585/919; Y10S585/921; Y10S585/924; Y10S585/926
Claims Analysis
Total Claims: 0
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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) | 1972-01-21 | 1972-07-22 | 1973-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-21 | 1976-07-22 | 1977-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-21 | 1980-07-22 | 1981-01-21 | $7700.00 | Window Closed / Lapsed |