Patent US4323707A successfully refreshed from Google Patents.
US4323707A
Expired / Lapsed
US
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Antifertility compounds
Assignee: Eli Lilly and Co
•
Filing: 1980-05-12
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Granted: 1982-04-06
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Expires: 2000-05-12
Abstract
Abstract Derivatives of 3-phenyl-4-aroyl-1,2-dihydronaphthalenes and 1-aroyl-2-phenylnaphthalenes are useful as antifertility agents.
Inventors
- 👤 Tulio Suarez
- 👤 C. David Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:02
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088; C07C; C07C217/00; C07C217/54; C07C45/00; C07C45/45; C07C45/455; C07C45/46; C07C45/61; C07C45/65; C07C45/67; C07C45/673; C07C45/68; C07C59/00; C07C59/235; C07C59/245; C07C59/265
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
59 words
A compound of the formula ##STR17## in which X is --CH 2 --CH 2 -- or --CH═CH--; R is hydrogen, hydroxyl, or C 1 -C 5 alkoxy; R 1 is hydrogen, hydroxyl, or C 1 -C 5 alkoxy; and R 2 and R 3 independently are C 1 -C 4 alkyl; and pharmaceutically acceptable non-toxic acid addition salts thereof.
Claim 2
Dependent Claim
59 words
A compound of the formula ##STR17## in which X is --CH 2 --CH 2 -- or --CH═CH--; R is hydrogen, hydroxyl, or C 1 -C 5 alkoxy; R 1 is hydrogen, hydroxyl, or C 1 -C 5 alkoxy; and R 2 and R 3 independently are C 1 -C 4 alkyl; and pharmaceutically acceptable non-toxic acid addition salts thereof.
Claim 3
Dependent Claim
13 words
Compound of claim 1, in which X is --CH 2 --CH 2 --.
Claim 4
Dependent Claim
23 words
Compound of claim 2, in which both R 2 and R 3 are methyl or both R 2 and R 3 are ethyl.
Claim 5
Dependent Claim
13 words
Compound of claim 3, in which R is C 1 -C 5 alkoxy.
Claim 6
Dependent Claim
9 words
Compound of claim 4, in which R is methoxy.
Claim 7
Dependent Claim
10 words
Compound of claim 5, in which R 1 is hydrogen.
Claim 8
Dependent Claim
14 words
Compound of claim 3, in which R 1 is C 1 -C 5 alkoxy.
Claim 9
Dependent Claim
10 words
Compound of claim 7, in which R 1 is methoxy.
Claim 10
Dependent Claim
9 words
Compound of claim 8, in which R is hydrogen.
Claim 11
Dependent Claim
17 words
Compound of claim 2, in which both R and R 1 are C 1 -C 5 alkoxy.
Claim 12
Dependent Claim
14 words
Compound of claim 2, in which R is hydroxy and R 1 is hydrogen.
Claim 13
Dependent Claim
14 words
Compound of claim 2, in which R is hydrogen and R 1 is hydroxy.
Claim 14
Dependent Claim
13 words
Compound of claim 2, in which both R and R 1 are hydroxy.
Claim 15
Dependent Claim
13 words
Compound of claim 2, in which both R and R 1 are hydrogen.
Claim 16
Dependent Claim
9 words
Compound of claim 1, in which X is --CH═CH--.
References Cited (Backward Citations)
US2891957A
Cited
US3274213A
Cited
US3250767A
Cited
US3862232A
Cited
US3293263A
Cited
US3320271A
Cited
US3519675A
Cited
US3452038A
Cited
US3494961A
Cited
US3600428A
Cited
US3396169A
Cited
US3526637A
Cited
US3483293A
Cited
US4010272A
Cited
US4017546A
Cited
US4075223A
Cited
US4215139A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-04-05 | 1985-10-05 | 1986-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-04-05 | 1989-10-05 | 1990-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-04-05 | 1993-10-05 | 1994-04-06 | $7700.00 | Window Closed / Lapsed |