Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2002-06-21
2004-11-30
Raymon, Richard L. (Department: 1624)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
C514S506000, C514S675000, C548S300100, C548S316400
Reexamination Certificate
active
06825183
ABSTRACT:
FIELD OF THE INVENTION
The invention relates to novel substituted benzoylcyclohexanediones, to processes for their preparation and to their use as herbicides.
BACKGROUND OF THE INVENTION
It is already known that certain substituted benzoylcyclohexanediones have herbicidal properties (cf. EP-A-090262, EP-A-135191, EP-A-186118, EP-A-186119, EP-A-186120, EP-A-319075, DE-A-199 21 732, WO-A-96/26200, WO-A-97/46530, WO-A-99/07688). However, the activity of these compounds is not in all respects satisfactory.
Further substituted benzoylcyclohexanediones are part of the subject-matter of an earlier, but not prior-published, patent application (cf. DE-A 19 921 732).
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Dahmen Peter
Drewes Mark Wilhelm
Feucht Dieter
Hoischen Dorothee
Lehr Stefan
Bayer Aktiengesellschaft
Henderson Richard E. L.
Mrozinski, Jr. John E.
Patel Sudhaker B.
Raymon Richard L.
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