US3711613A
Expired / Lapsed
US
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COMPOSITIONS CONTAINING 3-NITROIMIDAZO(1,2-b)PYRIDAZINES AND METHOD OF USE FOR TREATING AMOEBAE AND TRICHOMONAE
Assignee: Wyeth Holdings LLC
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Filing: 1971-02-24
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Granted: 1973-01-16
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Expires: 1991-02-24
Abstract
Abstract Compositions of a pharmaceutically acceptable carrier and a 3nitroimidazo(1,2-b)pyridazine and methods of using the same are described. These compositions are useful for their anti-protozoal activity as anti-trichomonal and anti-amebic agents.
Inventors
- 👤 A Tomcufcik
- 👤 R Wilkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:43
CPC Classifications
C; C07; C07D; C07D487/00; C07D487/02; C07D487/04
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
12 words
The method in accordance with claim 1, wherein the nitroimidazopyridazine is 3-nitroimidazo(1,2-b)-pyridazine.
Claim 2
Dependent Claim
18 words
The method in accordance with claim 1, wherein the nitroimidazopyridazine is 3-nitroimidazo(1,2-b)-pyridazine and the protazoa is an amoebae.
Claim 3
Dependent Claim
12 words
The method in accordance with claim 1, wherein the nitroimidazopyridazine is 6-methyl-3-nitro-imidazo(1,2-b)pyridazine.
Claim 4
Dependent Claim
18 words
The method in accordance with claim 1, wherein the nitroimidazopyridazine is 6-methyl-3-nitro-imidazo(1,2-b)pyridazine and the protozoa is a trichomonae.
Claim 5
Dependent Claim
39 words
A therapeutic composition useful for the control of protozoa selected from the group consisting of amoebae and trichomonae in warm-blooded animals which comprises a pharmaceutically acceptable carrier and from 10 to 300 mg. of a nitroimidazopyridazine of the formula:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-01-16 | 1976-07-17 | 1977-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-16 | 1980-07-17 | 1981-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-16 | 1984-07-17 | 1985-01-16 | $7700.00 | Window Closed / Lapsed |