Patent US3772344A successfully refreshed from Google Patents.
US3772344A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methanesulfonic acid esters of 4-trifluoromethylphenols
Assignee: Bayer AG
•
Filing: 1971-10-20
•
Granted: 1973-11-13
•
Expires: 1991-10-20
Abstract
Abstract IN WHICH X IS HYDROGEN, CHLORINE OR BROMINE, Y IS CHLROINE OR BROMINE, AND N IS AN INTEGER FROM 0 TO 4, WHICH POSSESS NEMATOCIDAL, INSECTICIDAL, ACARICIDAL, AND FUNGICIDAL PROPERTIES. 1-CF3,4-(X-CH2-SO2-O-),(Y)N-BENZENE METHANESULFONIC ACID ESTERS OF 4-TRIFLUOROMETHYLPHENOLS OF THE GENERAL FORMULA
Inventors
- 👤 H Tarnow
- 👤 K Sasse
- 👤 B Homeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:05
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/63; C07C309/64; C07C309/65; C07C309/66
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1976-11-12 | 1977-05-14 | 1977-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-12 | 1981-05-14 | 1981-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-12 | 1985-05-14 | 1985-11-13 | $7700.00 | Window Closed / Lapsed |