US3379735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfamyl aniline derivatives
Assignee: Hoechst AG
•
Filing: 1963-12-03
•
Granted: 1968-04-23
•
Expires: 1983-12-03
Abstract
No abstract record available.
Inventors
- 👤 Sturm Karl
- 👤 Geiger Rolf
- 👤 Siedel Walter
- 👤 Starey Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:36
CPC Classifications
C; C07; C07D; C07D285/00; C07D285/15; C07D285/16; C07D285/18; C07D285/20; C07D285/22; C07D285/24; C07C; C07C311/00; C07C311/30; C07C311/37; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/52; C07D417/00; C07D417/02; C07D417/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
THE COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF (A) 2-SULFAMYL - 4 - TRIFLOROMETHYL - ANILINES OF THE FORMULA
Claim 2
Dependent Claim
19 words
THE COMPOUNDS SELECTED FROM THE GROUP CONSISTING OF (A) 2-SULFAMYL - 4 - TRIFLOROMETHYL - ANILINES OF THE FORMULA
References Cited (Backward Citations)
US3125589A
Cited
US3096356A
Cited
US3139381A
Cited
US3163643A
Cited
US3163644A
Cited
US3178424A
Cited
US3184383A
Cited
US3163645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-23 | 1971-10-23 | 1972-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-23 | 1975-10-23 | 1976-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-23 | 1979-10-23 | 1980-04-23 | $7700.00 | Window Closed / Lapsed |