Patent US5173233A successfully refreshed from Google Patents.
Patent US3787572A successfully refreshed from Google Patents.
US3787572A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-disubstituted 3-amino-1,2-benzisothiazoles as antimycotic agents
Assignee: Bayer AG
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Filing: 1971-09-29
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Granted: 1974-01-22
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Expires: 1991-09-29
Abstract
Abstract COMPOUNDS AND THEIR PRODUCTION ARE PROVIDED WHEREIN THE COMPOUNDS HAVE ANTI-FUNGAL ACTIVITY AGAINST PATHOGENIC FUNGI IN ANIMALS AND HUMANS. THE COMPOUNDS ARE N-DISUBSTITUTED 3-AMINO-1,2-BENZISOTHIAZOLIES OF THE FORMULA: 3-(R''-N(-R2)-),R3-1,2-BENZISOTHIAZOLE IN WHICH R1 AND R2 ARE EACH INDIVIDUALLY ARYL, ARALKYL OR AN ALIPHATIC RADICAL, AND WHEN EACH OF R1 AND R2 IS ALKYL, THE TWO ALIPHATIC RADICALS TOGETHER AR LINKED TO FORM A HETEROCYCLE WITH A NITROGEN HETEROATOM, AND R3 IS AT LEAST ONE HYDROGEN OR HALOGEN ATOM OR A LOWER ALKYL OR ALKOXY GROUP, OR NITRO. MORE GENERALLY, THE COMPOUNDS ARE MADE UP INTO ANTIMYCOTIC COMPOSITION WITH A SUITABLE CARRIER OR VEHICLE.
Inventors
- 👤 H Boeshagen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:56
CPC Classifications
C; C07; C07D; C07D275/00; C07D275/04
Claims Analysis
Total Claims: 0
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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) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |