US2927126A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of n-(2-cyanoethyl) amide compounds
Assignee: Dow Chemical Co
•
Filing: 1957-10-16
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Granted: 1960-03-01
•
Expires: 1977-10-16
Abstract
No abstract record available.
Inventors
- 👤 Laurence A Pursglove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:45
CPC Classifications
C; C07; C07C; C07C255/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
236 words
METHOD FOR THE PREPARATION OF AN N-(2-CYANOETHYL) AMIDE COMPOUND THAT HAS THE GENERAL FORMULA: R-(X)-NHCH2CH2CN WHEREIN R IS SELECTED FROM THE CONSISTING OF SATURATED AND UNSATURATED MONOVALENT HYDROCARBON RADICALS CONTAINING FROM 1 TO ABOUT 20 CARBON ATOMS, ALKOXYALKYL RADICALS CONTAINING FROM ABOUT 1 TO ABOUT 20 CARBON ATOMS IN EACH OF THE ALKYL UNITS OF THE RADICAL IN WHICH SAID ALKYL UNITS ARE HYDROCARBON, ARYLOXYALKYL RADICALS CONTAINING FROM 6 TO 12 CARBON ATOMS IN THE ARYL UNIT OF THE RADICAL AND FROM 1 TO ABOUT 20 CARBON ATOMS IN THE ALKYL UNIT OF THE RADICAL IN WHICH SAID ARYL AND SAID ALKYL UNITS ARE HYDROCARBON, HYDROCARBON ARYL RADICALS CONTAINING FROM 6 TO 12 CARBON ATOMS, ALKOXYARYL RADICALS CONTAINING FROM 1 TO ABOUT 20 CARBON ATOMS IN THE ALKYL UNIT OF THE RADICAL AND FROM 6 TO 12 CARBON ATOMS IN THE ARYL UNIT OF THE RADICAL IN WHICH SAID ALKYL AND SAID ARYL UNITS ARE HYDROCARBON, HALOARYL RADICALS CONTAINING HALOGEN SUBSTITUENTS OF ATOMIC NUMBER FROM 9 TO 35 AND FROM 6 TO 12 CARBON ATOMS IN WHICH THE ARYL UNIT OF SAID RADICAL IS HYDROCARBON, AND NITROARYL RADICALS CONTAINING FROM 6 TO 12 CARBON ATOMS IN WHICH THE ARYL UNIT OF SAID RADICAL IS HYDROCARBON, AND (X) IS SELECTED FROM THE GROUP CONSISTING OF THE BIVALENT RADICALS -CO- AND -SO2-, SAID METHOD COMPRISING DISSOLVING IN A NONAQUEOUS SOLVENT AN N,N-BIS-(2-CYANOETHYL) AMIDE COMPOUND OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
236 words
METHOD FOR THE PREPARATION OF AN N-(2-CYANOETHYL) AMIDE COMPOUND THAT HAS THE GENERAL FORMULA: R-(X)-NHCH2CH2CN WHEREIN R IS SELECTED FROM THE CONSISTING OF SATURATED AND UNSATURATED MONOVALENT HYDROCARBON RADICALS CONTAINING FROM 1 TO ABOUT 20 CARBON ATOMS, ALKOXYALKYL RADICALS CONTAINING FROM ABOUT 1 TO ABOUT 20 CARBON ATOMS IN EACH OF THE ALKYL UNITS OF THE RADICAL IN WHICH SAID ALKYL UNITS ARE HYDROCARBON, ARYLOXYALKYL RADICALS CONTAINING FROM 6 TO 12 CARBON ATOMS IN THE ARYL UNIT OF THE RADICAL AND FROM 1 TO ABOUT 20 CARBON ATOMS IN THE ALKYL UNIT OF THE RADICAL IN WHICH SAID ARYL AND SAID ALKYL UNITS ARE HYDROCARBON, HYDROCARBON ARYL RADICALS CONTAINING FROM 6 TO 12 CARBON ATOMS, ALKOXYARYL RADICALS CONTAINING FROM 1 TO ABOUT 20 CARBON ATOMS IN THE ALKYL UNIT OF THE RADICAL AND FROM 6 TO 12 CARBON ATOMS IN THE ARYL UNIT OF THE RADICAL IN WHICH SAID ALKYL AND SAID ARYL UNITS ARE HYDROCARBON, HALOARYL RADICALS CONTAINING HALOGEN SUBSTITUENTS OF ATOMIC NUMBER FROM 9 TO 35 AND FROM 6 TO 12 CARBON ATOMS IN WHICH THE ARYL UNIT OF SAID RADICAL IS HYDROCARBON, AND NITROARYL RADICALS CONTAINING FROM 6 TO 12 CARBON ATOMS IN WHICH THE ARYL UNIT OF SAID RADICAL IS HYDROCARBON, AND (X) IS SELECTED FROM THE GROUP CONSISTING OF THE BIVALENT RADICALS -CO- AND -SO2-, SAID METHOD COMPRISING DISSOLVING IN A NONAQUEOUS SOLVENT AN N,N-BIS-(2-CYANOETHYL) AMIDE COMPOUND OF THE GENERAL FORMULA:
References Cited (Backward Citations)
US2798059A
Cited
US2885435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |