US2818367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of inhibiting cereal plant rust with phenylhydrazones
Assignee: Monsanto Chemicals Ltd
•
Filing: 1954-09-21
•
Granted: 1957-12-31
•
Expires: 1974-09-21
Abstract
No abstract record available.
Inventors
- 👤 Ernest G Jaworski
- 👤 Van R Gaertner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:40
CPC Classifications
C; C07; C07C; C07C251/00; C07C251/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
THE METHOD OF INHIBITING THE DEVELOPMENT OF RUST ON CEREAL PLANTS WHICH COMPRISES APPLYING TO SAID PLANTS A RUST INHIBITING QUANTITY OF AN ERADICANT COMPOSITION CONTAINING AS THE ESSENTIAL ACTIVE INGREDIENT A HYDRAZONE HAVING THE FORMULA FIG -01 IN WHICH AR DENOTES AN AROMATIC HYDROCARBON NUCLEUS OF FROM 6 TO 12 CARBON ATOMS, N IS AN INTEGER OF 1 TO 2 AND R IS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN, HALOGEN, THE NITRO RADICAL, THE SULFONATE RADICAL, THE CYANO RADICAL, THE HYDROXY RADICAL, AN ALKYL RADICAL OF FROM 1 TO 12 CARBON ATOMS, AN ALKOXY RADICAL OF FROM 1 TO 12 CARBON ATOMS, AND AN N-ALKYL SUBSTITUTED AMINO RADICAL HAVING FROM 1 TO 5 CARBON ATOMS IN THE ALKYL RADICAL, AND Y IS SELECTED FROM THE CLASS CONSISTING OF HYDRODGEN AND AN ALKYL RADICAL OF FROM 1 TO 12 CARBON ATOMS.
Claim 2
Independent Claim
142 words
THE METHOD OF INHIBITING THE DEVELOPMENT OF RUST ON CEREAL PLANTS WHICH COMPRISES APPLYING TO SAID PLANTS A RUST INHIBITING QUANTITY OF AN ERADICANT COMPOSITION CONTAINING AS THE ESSENTIAL ACTIVE INGREDIENT A HYDRAZONE HAVING THE FORMULA FIG -01 IN WHICH AR DENOTES AN AROMATIC HYDROCARBON NUCLEUS OF FROM 6 TO 12 CARBON ATOMS, N IS AN INTEGER OF 1 TO 2 AND R IS SELECTED FROM THE CLASS CONSISTING OF HYDROGEN, HALOGEN, THE NITRO RADICAL, THE SULFONATE RADICAL, THE CYANO RADICAL, THE HYDROXY RADICAL, AN ALKYL RADICAL OF FROM 1 TO 12 CARBON ATOMS, AN ALKOXY RADICAL OF FROM 1 TO 12 CARBON ATOMS, AND AN N-ALKYL SUBSTITUTED AMINO RADICAL HAVING FROM 1 TO 5 CARBON ATOMS IN THE ALKYL RADICAL, AND Y IS SELECTED FROM THE CLASS CONSISTING OF HYDRODGEN AND AN ALKYL RADICAL OF FROM 1 TO 12 CARBON ATOMS.
References Cited (Backward Citations)
US2054062A
Cited
DE460545C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |