Patent US3283002A successfully refreshed from Google Patents.
US3283002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing bis cyclohexylamine compounds
Assignee: EIDP Inc
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Filing: 1965-04-13
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Granted: 1966-11-01
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Expires: 1985-04-13
Abstract
No abstract record available.
Inventors
- 👤 Loren D Brake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:40
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; C08G69/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
THE PROCESS COMPRISING REACTING IN THE LIQUID PHASE A DIOL COMPOUND SELECTED FROM THE GROUP CONSISTING OF 1-(4-HO-CYCLOHEXYL),4-HO-CYCLOHEXANE AND WHERE R IS SELECTED FROM THE GROUP CONSISTING OF METHYLENE, ISOPROPYLIDENE, ETHYLIDENE, BETA-BUTYLIDENE, BETAPENTYLIDENE, GAMMA-PENTYLIDENE, CYCLOPENTYLIDENE, CYCLOHEXYLIDENE AND HEXAHYDROBENZYLIDENE, WITH AT LEAST A STOICHIOMETRIC AMOUNT OF AMMONIA, AT A TEMPERATURE FROM ABOUT 200* TO 400*C. AND AT AUTOGENOUS PRESSURE, IN THE PRESENCE OF A CATALYTIC AMOUNT OF HYDROGENATION CATALYST SELECTED FROM THE GROUP CONSISTING OF NICKEL, COBALT, PLATINUM, PALLADIUM, RUTHENIUM, RHENIUM, IRIDIUM, OSMIUM, AND RHODIUM, TO PRODUCE THE CORRESPONDING DIAMINO COMPOUND SELECTED FROM THE GROUP CONSISTING OF 1-(4-H2N-CYCLOHEXYL),4-H2N-CYCLOHEXANE AND 1-((4-HO-CYCLOHEXYL)-R-),4-HO-CYCLOHEXANE 1-((4-H2N-CYCLOHEXYL)-R-),4-H2N-CYCLOHEXANE WHERE R HAS THE SAME MEANING AS ABOVE.
Claim 2
Dependent Claim
108 words
THE PROCESS COMPRISING REACTING IN THE LIQUID PHASE A DIOL COMPOUND SELECTED FROM THE GROUP CONSISTING OF 1-(4-HO-CYCLOHEXYL),4-HO-CYCLOHEXANE AND WHERE R IS SELECTED FROM THE GROUP CONSISTING OF METHYLENE, ISOPROPYLIDENE, ETHYLIDENE, BETA-BUTYLIDENE, BETAPENTYLIDENE, GAMMA-PENTYLIDENE, CYCLOPENTYLIDENE, CYCLOHEXYLIDENE AND HEXAHYDROBENZYLIDENE, WITH AT LEAST A STOICHIOMETRIC AMOUNT OF AMMONIA, AT A TEMPERATURE FROM ABOUT 200* TO 400*C. AND AT AUTOGENOUS PRESSURE, IN THE PRESENCE OF A CATALYTIC AMOUNT OF HYDROGENATION CATALYST SELECTED FROM THE GROUP CONSISTING OF NICKEL, COBALT, PLATINUM, PALLADIUM, RUTHENIUM, RHENIUM, IRIDIUM, OSMIUM, AND RHODIUM, TO PRODUCE THE CORRESPONDING DIAMINO COMPOUND SELECTED FROM THE GROUP CONSISTING OF 1-(4-H2N-CYCLOHEXYL),4-H2N-CYCLOHEXANE AND 1-((4-HO-CYCLOHEXYL)-R-),4-HO-CYCLOHEXANE 1-((4-H2N-CYCLOHEXYL)-R-),4-H2N-CYCLOHEXANE WHERE R HAS THE SAME MEANING AS ABOVE.
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) | 1969-10-31 | 1970-05-02 | 1970-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-31 | 1974-05-02 | 1974-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-31 | 1978-05-02 | 1978-11-01 | $7700.00 | Window Closed / Lapsed |