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US3576767A
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Carbon catalyst composition
Assignee: Monsanto Co
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Filing: 1968-04-11
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Granted: 1971-04-27
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Expires: 1988-04-11
Abstract
Abstract CATALYST COMPOSITIONS COMPRISING A CATALYTIC AMOUNT OF A PLATINUM METAL DEPOSITED ON CARBON CO-CATALYST IN CATALYTIC AMOUNT CONSISTING ESSENTIALLY OF CARBON HAVING A BOUND ACTIVITY OF AT LEAST ABOUT 0.4 MILLIEQUIVALENT PER GRAM. THE COMPOSITION CATALYZES THE FORMATION OF IMINES, PARTICULARLY IN A PROCESS OF REDUCTIVE ALKYLATION.
Inventors
- 👤 Charles G Summers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:54
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/42; B01J21/00; B01J21/18
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) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |