US4131676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2,6-Bis(1-morpholinoalkylideneamino)anthraquinones as anti-amebic agents
Assignee: Wyeth Holdings LLC
•
Filing: 1978-02-06
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Granted: 1978-12-26
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Expires: 1998-02-06
Abstract
Abstract 2,6-bis(-morpholinoalkylideneamino)anthraquinones that are effective against cecal and hepatic amebic infestations in warm-blooded animals are disclosed.
Inventors
- 👤 Stanley A. Lang, Jr.
- 👤 Paul F. Fabio
- 👤 Yang-I Lin
- 👤 Keith C Murdock
- 👤 Thomas L. Fields
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:10
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/16; C07D295/18; C07D295/195
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
29 words
A compound of the formula: ##STR6## wherein R is selected from the group consisting of hydrogen and lower alkyl (C 1 -C 2 ) and pharmaceutically acceptable salts thereof.
Claim 2
Dependent Claim
29 words
A compound of the formula: ##STR6## wherein R is selected from the group consisting of hydrogen and lower alkyl (C 1 -C 2 ) and pharmaceutically acceptable salts thereof.
Claim 3
Dependent Claim
7 words
The compound according to claim 1, 2,6-bis[(1-morpholinoethylidene)amino]anthraquinone.
Claim 4
Dependent Claim
7 words
The compound according to claim 1, 2,6-bis[(1-morpholinopropylidene)amino]anthraquinone.
Claim 5
Independent Claim
52 words
A method of treating cecal and hepatic amebic infections in warm-blooded animals which comprises administering to said animals an effective amount of a compound of the formula: ##STR7## wherein R n is selected from the group consisting of hydrogen and lower alkyl (C 1 -C 2 ) and pharmaceutically acceptable salts thereof.
Claim 6
Independent Claim
52 words
A method of treating cecal and hepatic amebic infections in warm-blooded animals which comprises administering to said animals an effective amount of a compound of the formula: ##STR7## wherein R n is selected from the group consisting of hydrogen and lower alkyl (C 1 -C 2 ) and pharmaceutically acceptable salts thereof.
Claim 7
Dependent Claim
11 words
The method according to claim 4 wherein the compounds is 2,6-bis[(1-morpholinoethylidene)amino]anthraquinone.
Claim 8
Dependent Claim
11 words
The method according to claim 4 wherein the compound is 2,6-bis[(1-morpholinopropylidene)amino]anthraquinone.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-12-25 | 1982-06-26 | 1982-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-12-25 | 1986-06-26 | 1986-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-12-25 | 1990-06-26 | 1990-12-26 | $7700.00 | Window Closed / Lapsed |