US3062860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of nttriles from unsaturated hydrocarbons and hydrogen cyanide
Assignee: Universal Oil Products Co
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Filing: 1959-02-26
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Granted: 1962-11-06
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Expires: 1979-02-26
Abstract
No abstract record available.
Inventors
- 👤 Herman S Bloch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:01
CPC Classifications
C; C07; C07C; C07C253/00; C07C253/08; C07C253/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A PROCESS FOR THE PREPARATION OF A NITRILE WHICH COMPRISES CONTINUOUSLY PASSING A VAPOROUS MIXTURE OF HYDROGEN CYANIDE WITH AN UNSATURATED HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF ALKENES, ALKADIENES AND ALKYNES CONTAINING LESS THAN 10 CARBON ATOMS PER MOLECULE OVER A CATALYST CONSISTNG ESSENTIALLY OF BORON TRIFLUORIDE ADSORBED ON AN ACTIVATED ALUMINA, AT A TEMPERATURE OF FROM ABOUT 0*C. TO ABOUT 200*C. AND AT A PRESSURE OF FROM ABOUT ATMOSPHERIC TO ABOUT 10 ATMOSPHERES, AND RECOVERING THE RESULTANT NITRILE.
Claim 2
Dependent Claim
80 words
A PROCESS FOR THE PREPARATION OF A NITRILE WHICH COMPRISES CONTINUOUSLY PASSING A VAPOROUS MIXTURE OF HYDROGEN CYANIDE WITH AN UNSATURATED HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF ALKENES, ALKADIENES AND ALKYNES CONTAINING LESS THAN 10 CARBON ATOMS PER MOLECULE OVER A CATALYST CONSISTNG ESSENTIALLY OF BORON TRIFLUORIDE ADSORBED ON AN ACTIVATED ALUMINA, AT A TEMPERATURE OF FROM ABOUT 0*C. TO ABOUT 200*C. AND AT A PRESSURE OF FROM ABOUT ATMOSPHERIC TO ABOUT 10 ATMOSPHERES, AND RECOVERING THE RESULTANT NITRILE.
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) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |