US4051142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-Aryl-4-pyridones
Assignee: Monsanto Co
•
Filing: 1976-05-24
•
Granted: 1977-09-27
•
Expires: 1996-05-24
Abstract
Abstract Compounds of the formula <IMAGE> wherein R1 is carboxy, carboxylate, carbalkoxy, carbamoyl or cyano, R2 is alkyl, R3 is hydrogen or alkyl, R4 is hydrogen, alkyl, or halogen and R5 is phenyl or substituted phenyl, ARE ACTIVE AS PLANT GROWTH REGULATORS, AND PARTICULARLY AS CHEMICAL HYBRIDIZATION AGENTS.
Inventors
- 👤 Glenn R. Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:30
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/79; C07D213/80; A; A01; A01H; A01H1/00; A01H1/02; A01H1/026; C07D309/00; C07D309/34; C07D309/36; C07D309/38
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
133 words
A compound of the formula ##STR10## wherein R 1 is a carboxy group or an agronomically-acceptable salt thereof, a carb(C 1 -C 4 )alkoxy group, a carbamoyl group, a (C 1 -C 4 )alkyl or di(C 1 C 4 )-alkyl carbamoyl group, or a cyano group, R 2 is a (C 1 -C 4 )alkyl group, R 3 is a hydrogen atomm or a (C 1 -c 4 )alkyl group, R 4 is a hydrogen atom, a (C 1 -C 4 )alkyl group, or a halogen atom, and Z is a substituted phenyl group having up to three substituents selected from halogen atoms, (C 1 -C 4 )alkyl groups, (C 1 -C 4 )alkoxy groups, trifluoromethyl groups, and nitro groups, or, when R 3 is a hydrogen atom, additionally an unsubstituted phenyl group.
Claim 2
Dependent Claim
133 words
A compound of the formula ##STR10## wherein R 1 is a carboxy group or an agronomically-acceptable salt thereof, a carb(C 1 -C 4 )alkoxy group, a carbamoyl group, a (C 1 -C 4 )alkyl or di(C 1 C 4 )-alkyl carbamoyl group, or a cyano group, R 2 is a (C 1 -C 4 )alkyl group, R 3 is a hydrogen atomm or a (C 1 -c 4 )alkyl group, R 4 is a hydrogen atom, a (C 1 -C 4 )alkyl group, or a halogen atom, and Z is a substituted phenyl group having up to three substituents selected from halogen atoms, (C 1 -C 4 )alkyl groups, (C 1 -C 4 )alkoxy groups, trifluoromethyl groups, and nitro groups, or, when R 3 is a hydrogen atom, additionally an unsubstituted phenyl group.
Claim 3
Dependent Claim
17 words
The compound of claim 1 wherein R 1 is a carboxy group or an agronomically-acceptable salt thereof.
Claim 4
Dependent Claim
19 words
The compound of claim 2 wherein R 2 is a methyl group and R 4 is a hydrogen atom.
Claim 5
Dependent Claim
12 words
The compound of claim 3 wherein R 3 is a methyl group.
Claim 6
Dependent Claim
11 words
The compound of claim 4 wherein Z is a halophenyl group.
Claim 7
Dependent Claim
11 words
The compound of claim 5 wherein Z is a 4-halophenyl group.
Claim 8
Dependent Claim
11 words
The compound of claim 5 wherein Z is a 3-halophenyl group.
Claim 9
Dependent Claim
11 words
The compound of claim 4 wherein Z is a trifluoromethylphenyl group.
Claim 10
Dependent Claim
12 words
The compound of claim 3 wherein R 3 is a hydrogen atom.
Claim 11
Dependent Claim
19 words
The compound of claim 2 wherein R 2 is a methyl group and R 4 is a halogen atom.
Claim 12
Dependent Claim
12 words
The compound of claim 10 wherein R 3 is a methyl group.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-09-26 | 1981-03-28 | 1981-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-26 | 1985-03-28 | 1985-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-26 | 1989-03-28 | 1989-09-27 | $7700.00 | Window Closed / Lapsed |