Patent US2634292A successfully refreshed from Google Patents.
US2634292A
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US
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Cyclohexenyl ethyl amine and process for the manufacture thereof
Assignee: F Hoffmann La Roche AG
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Filing: 1951-10-03
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Granted: 1953-04-07
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Expires: 1971-10-03
Abstract
No abstract record available.
Inventors
- 👤 Hellerbach Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:30
CPC Classifications
C; C07; C07D; C07D221/00; C07D221/02; C07D221/22; C07D221/28; C07C; C07C211/00; C07C211/01; C07C211/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
CYCLOHEXEN-(1)-YL-ETYLAMINE HAVING THE FORMULA
Claim 2
Dependent Claim
4 words
CYCLOHEXEN-(1)-YL-ETYLAMINE HAVING THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-06 | 1956-10-06 | 1957-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-06 | 1960-10-06 | 1961-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-06 | 1964-10-06 | 1965-04-07 | $7700.00 | Window Closed / Lapsed |