US4146720A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-aminoethyl-substituted-3-nitronaphthalimides
Assignee: Laboratorios Made SA
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Filing: 1977-09-19
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Granted: 1979-03-27
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Expires: 1997-09-19
Abstract
Abstract Compounds having the formula ##STR1## wherein Y is 2-dimethylaminoethyl, 2-diethylaminoethyl, 2-(N-pyrrolidino)ethyl or 2-(N-piperidino)ethyl. The compounds are prepared by reacting 3-nitronaphthalic acid, or corresponding anhydride, with the corresponding primary amine. The compounds possess cytostatic and raticide properties.
Inventors
- 👤 Cristobal M. Roldan
- 👤 Miguel F. Brana
- 👤 Jose M. C. Berlanga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:57
CPC Classifications
C; C07; C07D; C07D221/00; C07D221/02; C07D221/04; C07D221/06; C07D221/14
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
14 words
A compound having the formula ##STR5## where Y is 2-dimethylaminoethyl, 2-diethylaminoethyl, 2-(N-pyrrolidino)ethyl or 2-(N-piperidino)ethyl.
Claim 2
Dependent Claim
14 words
A compound having the formula ##STR5## where Y is 2-dimethylaminoethyl, 2-diethylaminoethyl, 2-(N-pyrrolidino)ethyl or 2-(N-piperidino)ethyl.
Claim 3
Dependent Claim
11 words
A compound as claimed in claim 1 wherein Y is 2-dimethylaminoethyl.
Claim 4
Dependent Claim
11 words
A compound as claimed in claim 1 wherein Y is 2-diethylaminoethyl.
Claim 5
Dependent Claim
11 words
A compound as claimed in claim 1 wherein Y is 2-(N-pyrrolidino)ethyl.
Claim 6
Dependent Claim
11 words
A compound as claimed in claim 1 wherein Y is 2-(N-piperidino)ethyl.
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) | 1982-03-26 | 1982-09-25 | 1983-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-03-26 | 1986-09-25 | 1987-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-03-26 | 1990-09-25 | 1991-03-27 | $7700.00 | Window Closed / Lapsed |