US3748356A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted benzoyl ureas
Assignee: US Philips Corp
•
Filing: 1971-05-14
•
Granted: 1973-07-24
•
Expires: 1991-05-14
Abstract
Abstract NEW 2,6-DIHALOBENZOYL UREAS ARE DISCLOSED, AS WELL AS THEIR METHOD OF PREPARATION, SAID UREAS BEING USEFUL AS INSECTICIDES.
Inventors
- 👤 K Wellinga
- 👤 R Mulder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:10
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/54; C07D233/66; A; A01; A01N; A01N43/00; A01N43/48; A01N43/50; A01N43/54; A01N43/72; A01N43/88; A01N47/00; A01N47/08; A01N47/28; A01N47/34; C07C; C07C275/00; C07C275/46; C07C275/48; C07C275/54; C07D233/72; C07D273/00; C07D273/02; C07D273/04; H; H10; H10D; H10D99/00; Y; Y10; Y10S; Y10S516/00; Y10S516/01
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) | 1976-07-23 | 1977-01-22 | 1977-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-23 | 1981-01-22 | 1981-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-23 | 1985-01-22 | 1985-07-24 | $7700.00 | Window Closed / Lapsed |