Patent US2788360A successfully refreshed from Google Patents.
US2788360A
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Preparation of dicyano halo-ethane cyclic compounds
Assignee: Goodrich Corp
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Filing: 1954-05-28
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Granted: 1957-04-09
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Expires: 1974-05-28
Abstract
No abstract record available.
Inventors
- 👤 Jerome C Westfahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:04
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/54; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
THE METHOD WHICH COMPRISES REACTING A COMPOUND HAVING THE FORMULA R-CH2-CH(CN)2 IN WHICH R IS SELECTED FROM THE CLASS CONSISTING OF MONOCYCLIC AND BICYCLIC AROMATIC RINGS, FURAN AND THIOPHENE RINGS, WITH A WATER-SOLUBLE ALKALINE HYPOHALITE IN WHICH THE HALOGEN IS SELECTED FROM THE CLASS CONSISTING OF CHLORINE AND BROMINE TO FORM A COMPOUND HAVING THE FORMULA R-CH2-CX(CN)2 WHEREIN R HAS THE SAME DESIGNATION AS ABOVE AND X IS SELECTED FROM THE CLASS CONSISTING OF CHLORINE AND BROMINE.
Claim 2
Independent Claim
77 words
THE METHOD WHICH COMPRISES REACTING A COMPOUND HAVING THE FORMULA R-CH2-CH(CN)2 IN WHICH R IS SELECTED FROM THE CLASS CONSISTING OF MONOCYCLIC AND BICYCLIC AROMATIC RINGS, FURAN AND THIOPHENE RINGS, WITH A WATER-SOLUBLE ALKALINE HYPOHALITE IN WHICH THE HALOGEN IS SELECTED FROM THE CLASS CONSISTING OF CHLORINE AND BROMINE TO FORM A COMPOUND HAVING THE FORMULA R-CH2-CX(CN)2 WHEREIN R HAS THE SAME DESIGNATION AS ABOVE AND X IS SELECTED FROM THE CLASS CONSISTING OF CHLORINE AND BROMINE.
References Cited (Backward Citations)
US2602090A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |