US3692794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1,2,4-thiadiazoles
Assignee: Novartis Corp
•
Filing: 1970-09-03
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Granted: 1972-09-19
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Expires: 1990-09-03
Abstract
Abstract New 5-sulfinyl- or sulfonyl-1,2,4-thiadiazoles, e.g. those of the formula R H or an aliphatic or araliphatic radical N 1 OR 2 M 1-7 AND SALTS THEREOF ARE ANTIFUNGAL AGENTS.
Inventors
- 👤 Melvin Harris Rosen
- 👤 Herbert Morton Blatter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:59
CPC Classifications
C; C07; C07D; C07D285/00; C07D285/01; C07D285/02; C07D285/04; C07D285/08
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
34 words
A compound as claimed in claim 1, in which formula R1 is hydrogen, lower alkyl, mono-, di- or tri-halo-lower alkyl or mono-, di- or tri-phenyl-lower alkyl, R2 is lower alkyl and n is 2.
Claim 2
Dependent Claim
18 words
A compound as claimed in claim 1, in which formula each of R1 and R2 is lower alkyl.
Claim 3
Dependent Claim
11 words
A compound as claimed in claim 1, and being the 3-methyl-5-methylsulfonyl-1,2,4-thiadiazole.
Claim 4
Dependent Claim
11 words
A compound as claimed in claim 1, and being the 3-n-butyl-5-methylsulfonyl-1,2,4-thiadiazole.
Claim 5
Dependent Claim
11 words
A compound as claimed in claim 1, and being the 3-n-butyl-5-ethylsulfonyl-1,2,4-thiadiazole.
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) | 1975-09-19 | 1976-03-20 | 1976-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-19 | 1980-03-20 | 1980-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-19 | 1984-03-20 | 1984-09-19 | $7700.00 | Window Closed / Lapsed |