Patent US3708491A successfully refreshed from Google Patents.
US3708491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2-amino(perfluoroalkylsulfonamidophenyl)thiazoles
Assignee: Riker Laboratories Inc
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Filing: 1971-05-11
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Granted: 1973-01-02
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Expires: 1991-05-11
Abstract
Abstract N-SUBSTITUTED PERFLUOROALKANESULFONAMIDES IN WHICH THE SULFONAMIDE NITROGEN SUBSTITUENT IS (2-AOINOTHIAZOLYL) PHENYLL. ALSO INCLUDE ARE PROCESSES FOR THE PREPARATION AND USE OF SAID COMPOUNDS. THE COMPOUNDS ARE ACTIVE AS ANTIMICROBIAL AGENTS AND POLYMERIZATION CAYALYSTS.
Inventors
- 👤 J Harrington
- 👤 D Kvam
- 👤 A Mendel
- 👤 J Robertson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:07
CPC Classifications
C; C07; C07D; C07D277/00; C07D277/02; C07D277/20; C07D277/32; C07D277/38; C07D277/40; C08; C08G; C08G65/00; C08G65/02; C08G65/26; C08G65/2642; C08G65/2669; C08G65/2678; C08G65/2684
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) | 1976-01-02 | 1976-07-03 | 1977-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-02 | 1980-07-03 | 1981-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-02 | 1984-07-03 | 1985-01-02 | $7700.00 | Window Closed / Lapsed |