US2990326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfonyl-urethanes and a process for preparing them
Assignee: Hoechst AG
•
Filing: 1958-07-08
•
Granted: 1961-06-27
•
Expires: 1978-07-08
Abstract
No abstract record available.
Inventors
- 👤 Aumuller Walter
- 👤 Korger Gerhard
- 👤 Weyer Rudi
- 👤 Wagner Wolf-Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:36
CPC Classifications
C; C07; C07C; C07C311/00; C07C311/50; C07C311/52; C07C311/53
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
32 words
A SOLUTION EFFECTIVE ON ORAL ADMINISTRATION IN THE TREATMENT OF POULTRY COCCIDIOSIS, SAID SOLUTION CONTAINING FROM 0.2 TO 0.3% OF A NON-TOXIC BASIC SALT OF A SULFONYL URETHANE OF THE GENERAL FORMULA
References Cited (Backward Citations)
DE845042C
Cited
US2907693A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |