US3776925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cyclic organic compounds
Assignee: Commonwealth Scientific and Industrial Research Organisation
•
Filing: 1971-07-13
•
Granted: 1973-12-04
•
Expires: 1991-07-13
Abstract
Abstract THE INVENTION PROVIDES NEW DERIVATIVES OF 2,2-DIPHENYL3,3-DIMETHYLOXETANE IN WHICH THE PHENYL GROUPS ARE SUBSTITUTED WITH ALKOXY, ALKYLTHIO AND/OR METHYLENEDIOXY GROUPS. THE NEW COMPOUNDS HAVE INSECTICIDAL PROPERTIES AND THE INVENTION ALSO PROVIDES INSECTTICIDAL COMPOSITIONS THEREOF. THE COMOUNDS MAY BE MADE BY IRRADIATING A MIXTURE OF THE APPROPRIATELY SUBSTITUTED BENZOLPHENONE AND ISOBUTYLENE WITH ULTRA-VIOLET RADIATION.
Inventors
- 👤 G Holan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:33
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/44; C07D317/46; C07D317/48; C07D317/50; C07D317/54; A; A01; A01N; A01N43/00; A01N43/02; A01N43/04; A01N43/20; C07C; C07C323/00; C07D305/00; C07D305/02; C07D305/04; C07D305/06; C07D317/56
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) | 1976-12-03 | 1977-06-04 | 1977-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-03 | 1981-06-04 | 1981-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-03 | 1985-06-04 | 1985-12-04 | $7700.00 | Window Closed / Lapsed |