US2952597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for synthesizing nitriles
Assignee: EIDP Inc
•
Filing: 1957-07-26
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Granted: 1960-09-13
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Expires: 1977-07-26
Abstract
No abstract record available.
Inventors
- 👤 Charles S Cleaver
- 👤 Blaine C Mckusick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:21
CPC Classifications
C; C07; C07C; C07C253/00; B; B01; B01J; B01J19/00; B01J19/08; B01J19/081; C07C2601/00; C07C2601/12; C07C2601/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
THE PROCESS WHICH COMPRISES SUBJECTING A MIXTURE OF HYDROGEN CYANIDE AND AN ORGANIC COMPOUND WHICH CONTAINS A C-H GROUP AND IN WHICH ANY CARBON-TOCARBON MULTIPLE BOND IS AROMATIC TO AT LEAST 104 RADS OF IONIZING RADIATION WITH A MINIMUM INTENSITY OF 50 ELECTRON VOLTS AND RECOVERING AT LEAST ONE NITRILE FROM THE IRRADIATED MIXTURE.
Claim 2
Dependent Claim
54 words
THE PROCESS WHICH COMPRISES SUBJECTING A MIXTURE OF HYDROGEN CYANIDE AND AN ORGANIC COMPOUND WHICH CONTAINS A C-H GROUP AND IN WHICH ANY CARBON-TOCARBON MULTIPLE BOND IS AROMATIC TO AT LEAST 104 RADS OF IONIZING RADIATION WITH A MINIMUM INTENSITY OF 50 ELECTRON VOLTS AND RECOVERING AT LEAST ONE NITRILE FROM THE IRRADIATED MIXTURE.
References Cited (Backward Citations)
US2659748A
Cited
US2855349A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |