US4546113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antiprotozoal diamidines
Assignee: Pfizer Inc
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Filing: 1983-04-14
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Granted: 1985-10-08
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Expires: 2003-04-14
Abstract
Abstract Diamidines of the formula ##STR1## wherein X is a propylene, isobutylene, guanidine, pyrrole, tetrazole, imidazole or substituted imidazole group; and 2-[4-(2-imidazolinyl)phenyl]-6-(2-imidazolinyl)indole, are useful in the treatment of certain protozoal infections in mammals, particularly in cattle.
Inventors
- 👤 Edward A. Glazer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:20
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/32; C07D207/33; C07D207/337; C07C; C07C255/00; C07D233/00; C07D233/54; C07D233/64; C07D257/00; C07D257/02; C07D257/04; C07D401/00; C07D401/02; C07D401/12
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
18 words
A compound of the formula ##STR20## wherein X is --CH 2 CH═CH-- or --CH 2 C(CH 3 )═CH--.
Claim 2
Dependent Claim
18 words
A compound of the formula ##STR20## wherein X is --CH 2 CH═CH-- or --CH 2 C(CH 3 )═CH--.
Claim 3
Dependent Claim
11 words
The compound of claim 1 wherein X is --CH 2 CH═CH--.
Claim 4
Dependent Claim
13 words
The compound of claim 1 wherein X is --CH 2 C(CH 3 )═CH--.
Claim 5
Dependent Claim
35 words
A pharmaceutical composition suitable for parenteral administration in the treatment of a protozoal infection in a mammal which comprises an antiprotozoal effective amount of a compound of claim 1 and a pharmaceutically acceptable liquid vehicle.
Claim 6
Dependent Claim
31 words
A method of treating a susceptible protozoal infection in a mammal which comprises parenteral administration of an antiprotozoal effective amount of compound of claim 1 in a pharmaceutically acceptable liquid vehicle.
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) | 1988-10-07 | 1989-04-08 | 1989-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-10-07 | 1993-04-08 | 1993-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-10-07 | 1997-04-08 | 1997-10-08 | $7700.00 | Window Closed / Lapsed |