Patent US2601387A successfully refreshed from Google Patents.
US2601387A
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Preparation of amides having tertiary carbon attached to amido nitrogen
Assignee: EIDP Inc
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Filing: 1948-11-24
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Granted: 1952-06-24
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Expires: 1968-11-24
Abstract
No abstract record available.
Inventors
- 👤 William F Gresham
- 👤 William E Grigsby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:55
CPC Classifications
C; C07; C07C; C07C233/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A PROCESS FOR THE SYNTHESIS OF ORGANIC ACID AMIDES HAVING A TERTIARY CARBON ATOM ATTACHED TO AN AMIDO NITROGEN WHICH COMPRISES SUBJECTING A NITRILE OF THE CLASS CONSISTING OF HCN AND CYANOALKANES TO REACTION UNDER ACIDIC CONDITIONS WITH A SATURATED TERTIARY ALCOHOL, WHEREBY A REACTION MIXTURE CONTAINING AN ORGANIC ACID AMIDE HAVING A TERTIARY CARBON ATOM ATTACHED TO THE AMIDO NITROGEN IS OBTAINED.
Claim 2
Dependent Claim
63 words
A PROCESS FOR THE SYNTHESIS OF ORGANIC ACID AMIDES HAVING A TERTIARY CARBON ATOM ATTACHED TO AN AMIDO NITROGEN WHICH COMPRISES SUBJECTING A NITRILE OF THE CLASS CONSISTING OF HCN AND CYANOALKANES TO REACTION UNDER ACIDIC CONDITIONS WITH A SATURATED TERTIARY ALCOHOL, WHEREBY A REACTION MIXTURE CONTAINING AN ORGANIC ACID AMIDE HAVING A TERTIARY CARBON ATOM ATTACHED TO THE AMIDO NITROGEN IS OBTAINED.
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) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |