US4404020A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain esters of 2-[(2,6-dichloro-3-pyridyl)oxy]propionic acid, compositions containing same and their herbicidal properties
Assignee: Novartis Corp
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Filing: 1981-11-20
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Granted: 1983-09-13
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Expires: 2001-11-20
Abstract
Abstract This invention relates to 3-pyridinol compounds corresponding to formula I <IMAGE> wherein A is halogen, alkyl or cyano B is halogen Q is an aliphatic bridge that can also be unsaturated, branched or substituted R is hydrogen, an aliphatic, cycloaliphatic, aromatic or heterocyclic radical, a metal ion or a quaternary ammonium group, Z is oxygen or sulfur, processes for producing them, their use for regulating plant growth, and to compositions containing these compounds.
Inventors
- 👤 Rolf Schurter
- 👤 Niels Clauson-Kaas
- 👤 Hermann Rempfler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:44
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/84; C07D213/62; C07D213/63; C07D213/65
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
4 words
2-[(2,6-dichloro-3-pyridyl)-oxy-]-propionic acid 6'-chlorohexyl ester.
Claim 2
Dependent Claim
4 words
2-[(2,6-dichloro-3-pyridyl)-oxy-]-propionic acid 6'-chlorohexyl ester.
Claim 3
Dependent Claim
4 words
2-[(2,6-dichloro-3-pyridyl)-oxy]-propionic acid allyl ester.
Claim 4
Dependent Claim
4 words
2-[(2,6-dichloro-3-pyridyl)-oxy]-propionic acid allyl ester.
Claim 5
Dependent Claim
4 words
2-[(2,6-dichloro-3-pyridyl)-oxy]-propionic acid benzyl ester.
Claim 6
Dependent Claim
4 words
2-[(2,6-dichloro-3-pyridyl)-oxy]-propionic acid benzyl ester.
Claim 7
Dependent Claim
31 words
A composition for inhibiting dicotyledonous plant growth, which comprises (1) as active substance a plant growth inhibiting effective amount of a compound according to claim 1 and (2) an inert carrier.
Claim 8
Dependent Claim
31 words
A composition for inhibiting dicotyledonous plant growth, which comprises (1) as active substance a plant growth inhibiting effective amount of a compound according to claim 2 and (2) an inert carrier.
Claim 9
Dependent Claim
31 words
A composition for inhibiting dicotyledonous plant growth, which comprises (1) as active substance a plant growth inhibiting effective amount of a compound according to claim 3 and (2) an inert carrier.
Claim 10
Dependent Claim
27 words
A method for inhibiting the growth of dicotyledonous plants which comprises applying to said plants a growth inhibiting effective amount of a compound according to claim 1.
Claim 11
Dependent Claim
27 words
A method for inhibiting the growth of dicotyledonous plants which comprises applying to said plants a growth inhibiting effective amount of a compound according to claim 2.
Claim 12
Dependent Claim
27 words
A method for inhibiting the growth of dicotyledonous plants which comprises applying to said plants a growth inhibiting effective amount of a compound according to claim 3.
Claim 13
Dependent Claim
14 words
A method according to claim 7 in which the plants are soya bean plants.
Claim 14
Dependent Claim
14 words
A method according to claim 8 in which the plants are soya bean plants.
Claim 15
Dependent Claim
14 words
A method according to claim 9 in which the plants are soya bean plants.
References Cited (Backward Citations)
CH452528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-09-12 | 1987-03-14 | 1987-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-09-12 | 1991-03-14 | 1991-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-09-12 | 1995-03-14 | 1995-09-13 | $7700.00 | Window Closed / Lapsed |