Patent JPS5752869A successfully refreshed from Google Patents.
US2970941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fungicidal 2, 4-dinitro-phenylhydrazones
Assignee: Olin Corp
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Filing: 1958-09-09
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Granted: 1961-02-07
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Expires: 1978-09-09
Abstract
No abstract record available.
Inventors
- 👤 Robert L Holbrook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:12
CPC Classifications
C; C07; C07C; C07C251/00; C07C251/72
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
IN THE CONTROL OF FOLIAR FUNGI, THE METHOD OF APPLYING TO THE FOLIAGE A COMPOSITION OF MATTER CONTAINING FROM ABOUT 300 PARTS PER MILLION TO 80 PERCENT BY WEIGHT OF AT LEAST ONE COMPOUND HAVING A PARTICLE SIZE OF FROM ABOUT 0.2 TO 50 MICRONS THE COMPOUND BEING A 2,4-DINITROPHENYLHYDRAZONE HAVING A FORMULA SELECTED FROM THE GROUP CONSISTING OF
References Cited (Backward Citations)
US2548480A
Cited
US2818367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-07 | 1964-08-08 | 1965-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-07 | 1968-08-08 | 1969-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-07 | 1972-08-08 | 1973-02-07 | $7700.00 | Window Closed / Lapsed |