Patent US3879404A successfully refreshed from Google Patents.
US3879404A
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Certain 5-(pyridyl)-3(phenyl)-1,2,4-triazoles
Assignee: Individual
•
Filing: 1973-08-29
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Granted: 1975-04-22
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Expires: 1993-08-29
Abstract
Abstract Triazoles substituted at the 3 and 5 positions having an optional substituent in the 1 position are provided. Methods of preparing the novel substituted triazoles are described. The substituted triazoles are useful as anti-gout and antihyperuricemic agents. Compositions useful in the treatment of gout and hyperuricemia containing a substituted triazole as the active ingredient are also provided.
Inventors
- 👤 John J Baldwin
- 👤 Frederick C Novello
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:00
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/41
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
5 words
A compound of the formula
Claim 4
Dependent Claim
5 words
A compound of the formula
Claim 5
Dependent Claim
11 words
A compound as claimed in claim 1 wherein R5 is 4-pyridyl.
Claim 6
Dependent Claim
15 words
A compound as claimed in claim 1 wherein R3 is dichlorosulfamoylphenyl and R5 is 4-pyridyl.
Claim 7
Dependent Claim
15 words
A compound as claimed in claim 1 wherein R3 is monochlorosulfamoylphenyl and R5 iS 4-pyridyl.
Claim 8
Dependent Claim
15 words
A compound as claimed in claim 1 wherein R3 is 4-chloro-5-sulfamoylphenyl and R5 is 4-pyridyl.
References Cited (Backward Citations)
US3308131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-04-21 | 1978-10-21 | 1979-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-04-21 | 1982-10-21 | 1983-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-04-21 | 1986-10-21 | 1987-04-22 | $7700.00 | Window Closed / Lapsed |