US3897452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted 1,4-dihydro(and 1,2,3,4-tetrahydro)-naphthalen-1,4-imines
Assignee: Merck and Co Inc
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Filing: 1974-08-19
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Granted: 1975-07-29
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Expires: 1994-08-19
Abstract
Abstract Substituted 1,4-dihydro(and 1,2,3,4-tetrahydro)naphthalen-1,4imines are disclosed having minor tranquilizer, anticonvulsant and muscle relaxant pharmaceutical activity; also disclosed are processes for the preparation of such compounds; pharmaceutical compositions comprising such compounds; and methods of treatment comprising administering such compounds and compositions.
Inventors
- 👤 Paul S Anderson
- 👤 Marcia E Christy
- 👤 Gerald S Ponticello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:54
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/08
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
8 words
2-CHLORO-5,6,7,8-TETRAFLUORO-2,9-DIMETHYL-1,2,3,4-NAPHTHALEN-1,4-IMINE AND THE NON-TOXIC, PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF.
Claim 2
Dependent Claim
8 words
2-CHLORO-5,6,7,8-TETRAFLUORO-2,9-DIMETHYL-1,2,3,4-NAPHTHALEN-1,4-IMINE AND THE NON-TOXIC, PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF.
Claim 3
Dependent Claim
9 words
2-Aminomethyl-9-methyl-5,6,7,8-tetrafluoro-1,2,3,4-tetrahydronaphthalen-1,4 -imin-2-ol and the non-toxic, pharmaceutIcally acceptable salts thereof.
Claim 4
Dependent Claim
9 words
2-Aminomethyl-9-methyl-5,6,7,8-tetrafluoro-1,2,3,4-tetrahydronaphthalen-1,4 -imin-2-ol and the non-toxic, pharmaceutIcally acceptable salts thereof.
Claim 5
Dependent Claim
9 words
5,6,7,8-Tetrafluoro-9-methyl-1,2,3,4-tetrahydronaphthalen-1, 4-imin-2-one and the non-toxic, pharmaceutically acceptable salts thereof.
Claim 6
Dependent Claim
9 words
5,6,7,8-Tetrafluoro-9-methyl-1,2,3,4-tetrahydronaphthalen-1, 4-imin-2-one and the non-toxic, pharmaceutically acceptable salts thereof.
Claim 7
Dependent Claim
8 words
6-Methoxy-9-methyl-1,4-dihydronaphthalen-1,4-imine and the non-toxic, pharmaceutically acceptable salts thereof.
Claim 8
Dependent Claim
8 words
6-Methoxy-9-methyl-1,4-dihydronaphthalen-1,4-imine and the non-toxic, pharmaceutically acceptable salts thereof.
Claim 9
Dependent Claim
8 words
2,3-Dimethyl-6-fluoro-1,4-dihydronaphthalen-1,4-imine and the non-toxic pharmaceutically acceptable salts thereof.
Claim 10
Dependent Claim
8 words
2,3-Dimethyl-6-fluoro-1,4-dihydronaphthalen-1,4-imine and the non-toxic pharmaceutically acceptable salts thereof.
Claim 11
Dependent Claim
8 words
1,4,9-Trimethyl-6-fluoro-1,4-dihydronaphthalen-1,4-imine and the non-toxic pharmaceutically acceptable salts thereof.
Claim 12
Dependent Claim
8 words
1,4,9-Trimethyl-6-fluoro-1,4-dihydronaphthalen-1,4-imine and the non-toxic pharmaceutically acceptable salts thereof.
References Cited (Backward Citations)
US3705151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-28 | 1979-01-27 | 1979-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-28 | 1983-01-27 | 1983-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-28 | 1987-01-27 | 1987-07-29 | $7700.00 | Window Closed / Lapsed |