US3973946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted-3-phenyl ureas
Assignee: EIDP Inc
•
Filing: 1974-11-20
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Granted: 1976-08-10
•
Expires: 1994-11-20
Abstract
Abstract Ureas of the structure ##EQU1## WHEREIN X is F or OCH 3 ; Y is O or NH; m is 0, 1 or 2, and n and n' each are 0 or 1, Are useful in prevention of ozone damage to plants.
Inventors
- 👤 Edward Koon Wah Wat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:10
CPC Classifications
C; C07; C07D; C07D233/00; C07D233/04; C07D233/28; C07D233/30; C07D233/32; C07D233/38; C07D233/36; C07D263/00; C07D263/02; C07D263/08; C07D263/16; C07D263/18; C07D263/20; C07D263/26
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
27 words
A compound of the formula ##EQU2## wherein X = F or OCH 3 Y = nh m = 0, 1 or 2 n = 0 or 1.
Claim 2
Dependent Claim
27 words
A compound of the formula ##EQU2## wherein X = F or OCH 3 Y = nh m = 0, 1 or 2 n = 0 or 1.
Claim 3
Dependent Claim
18 words
A composition to protect plants against atmospheric ozone comprising a compound of claim 1 and a carrier therefor.
Claim 4
Dependent Claim
25 words
The method of protecting plants against atmospheric ozone comprising the step of applying to the plant an effective amount of a compound of claim 1.
References Cited (Backward Citations)
US2517750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-10 | 1980-02-09 | 1980-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-10 | 1984-02-09 | 1984-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-10 | 1988-02-09 | 1988-08-10 | $7700.00 | Window Closed / Lapsed |