Drug – bio-affecting and body treating compositions – Inorganic active ingredient containing – Phosphorus or phosphorus compound
Reexamination Certificate
2001-07-03
2003-05-20
Pak, John (Department: 1616)
Drug, bio-affecting and body treating compositions
Inorganic active ingredient containing
Phosphorus or phosphorus compound
C424S601000, C424S602000, C424S604000, C424S606000, C514S141000, C514S492000, C514S506000, C514S539000
Reexamination Certificate
active
06565892
ABSTRACT:
BACKGROUND OF THE INVENTION
The subject of the present invention is a synergistic fungicidal composition comprising a compound analogous to strobilurin and a process which makes use of the said composition and which is intended for the curative or preventive protection of crops against fungal attacks.
Compounds analogous to strobilurin with a fungicidal effect are known, in particular from European Patent Application EP 253213 or 398692 or from international Application WO 92/08703, which make it possible to prevent the growth and the development of phytopathogenic fungi capable of attacking crops.
SUMMARY AND OBJECTS OF THE INVENTION
However, it is always desirable to improve the spectrum of activity and the effectiveness of such compounds with a fungicidal effect or to reinforce them by combining them with other molecules in order to obtain a more effective product (combination with a systemic fungicide, these fungicides instead being molecules of “contact” type) or alternatively to prevent the appearance of fungal strains which are resistant to these new fungicides.
It is also highly desirable to have available fungicidal products which enjoy an improved persistence of effect, likely to space out in time the number of plant-protection treatments necessary for satisfactory control of the parasites.
It is, in any event, particularly advantageous to be able to decrease the amount of chemicals distributed in the environment, while ensuring high-performance protection of crops against fungal attacks.
It has now been found that one (or a number) of the above objects could be achieved by virtue of the fungicidal composition according to the present invention.
The present invention accordingly provides a synergistic fungicidal composition comprising at least one compound A of formula (I):
in which:
A is the nitrogen atom or the —CH group,
B is the —OCH
2
— or —CH
2
O— or —CH(CH
3
)—O—N═CH— or —CH═N—O—CH(CH
3
)— group or the group
R
1
is an alkyl group containing 1 to 4 carbon atoms, preferably the methyl group,
R
2
is —OCH
3
or —NHCH
3
,
X is a halogen atom, the cyano group or an alkyl or haloalkyl group containing 1 to 4 carbon atoms, preferably the methyl or trifluoromethyl group,
n is equal to 1 or 2, with, when n is equal to 2, the possibility of having different X groups,
and at least one fungicidal compound B chosen from the group consisting of phosphorous acid and derivatives thereof, for example metal phosphites, such as fosetyl-Al, and alkali metal or alkaline-earth metal salts of phosphorous acid. The compositions will generally contain one compound A.
REFERENCES:
patent: 4829085 (1989-05-01), Wenderoth et al.
patent: RE33989 (1992-07-01), Wenderoth et al.
patent: 0253213 (1988-01-01), None
patent: 0398692 (1990-11-01), None
patent: 0741970 (1996-11-01), None
patent: 92/08703 (1992-05-01), None
patent: 95/15083 (1995-06-01), None
Research Disclosure, vol. 338, No. 33893, Jun. 1992, pp. 506-510, published by Industrial Opportunities, Havant, England.
Research Disclosure, vol. 348, No. 34874, Apr. 1993, pp. 267-268, published by Industrial Opportunities, Havant England.
Tammes,Neth. J. Plant Path. 70(1964), pp. 73-80, published by Nederlands planteziektenkundige vereniging, Wageningen, The Netherlands.
The Pesticide Manual, ed. Clive Tomlin, 10thedition, 1994, pp. 68, 530-532 and 579, published by the British Crop Protection Council, Farnham, Surrey, UK.
Burns Doane Swecker & Mathis L.L.P.
Pak John
Rhone-Poulenc Agrochimie
LandOfFree
Synergistic fungicidal composition comprising a compound... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Synergistic fungicidal composition comprising a compound..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Synergistic fungicidal composition comprising a compound... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3066029